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Developing SIP Applications

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Voxeo Corp
Voxeo Corp

The document describes a CCXML application that implements a follow me/find me feature with Twitter integration. When a call comes in, it attempts to call a subscriber's phone. If the call connects, it tweets that the subscriber is on a call. If the call fails, it tweets that the subscriber did not answer. When the call disconnects, it tweets that the subscriber is off the call. The application uses CCXML to control call flows and the Twitter API to post status updates.

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Sep 16th, 2008 TMC Communication Developer Conference Developing SIP Applications RJ Auburn CTO rj@voxeo.com © Voxeo Corporation
Telephony © Voxeo Corporation
Sucks © Voxeo Corporation - Confidential
Complex © Voxeo Corporation
Arcane © Voxeo Corporation
Proprietary © Voxeo Corporation
This is not how it should be... © Voxeo Corporation
Simple © Voxeo Corporation
Ubiquitous © Voxeo Corporation
Open © Voxeo Corporation
What to do? © Voxeo Corporation
Leverage The Web Model © Voxeo Corporation
Utilize Standards © Voxeo Corporation
SOAP/REST © Voxeo Corporation - Confidential
What Does It Look Like? © Voxeo Corporation
Application API XML Tools Platform 16 © Voxeo Corporation
Application JSR289, CCXML REST, & Designer SOAP VoiceXML Prophecy 17 © Voxeo Corporation
Application Application API XML Tools Platform 18 © Voxeo Corporation
Building Blocks © Voxeo Corporation
Session Initiation Protocol - Session Initiation Protocol (SIP) defines how to establish a communication session between two endpoints - Primarily used for voice, but can for IM or virtually any other protocol - Almost always used in client/server configuration with quot;SIP proxiesquot; in control of quot;SIP endpointsquot; - Work going on in P2PSIP - see www.p2psip.org - Text-based protocol, originally modeled on HTTP © Voxeo Corporation
SIP Communication INVITE Alice 180 RINGING Bob 200 OK ACK RTP (voice) BYE 200 OK © Voxeo Corporation
Proxy Proxy A SIP B P SIP SI Alice RTP Bob © Voxeo Corporation
SIP Resources - Internet Engineering Task Force (IETF) - RFC 3261 - Hitchhiker’s Guide to SIP - Open Source Info - VoIP Info Wiki: www.voip-info.org - Industry Sites - SIP Forum: www.sipforum.org - SIP Foundry: www.sipfoundry.org - OpenSBC: www.opensourcesip.org © Voxeo Corporation
Open Source SIP Software - Systems - Asterisk: www.asterisk.org - sipXecs: www.sipfoundry.org - FreeSWITCH: www.freeswitch.org - OpenSER: www.openser.org - SIP Stacks - reSIProcate: www.resiprocate.org - Phones: - Gizmo: www.gizmoproject.org - MANY, many more: www.voip-info.org © Voxeo Corporation
Religion © Voxeo Corporation
XML © Voxeo Corporation
CCXML - Call Control XML (CCXML) is the W3C standard for call control using XML - Sister standard to VoiceXML - Integrates with VoiceXML for dialog control - Provides a framework for issuing call control commands and handling call control events - http://www.w3.org/TR/ccxml/ © Voxeo Corporation
© Voxeo Corporation
CCXML Hello World <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml version=quot;1.0quot;> <eventprocessor> <transition event=quot;connection.alertingquot;> <log expr=quot;'***** CONNECTION ALERTING *****'quot;/> <if cond=quot;event$.connection.remote == '8315551234'quot;> <reject/> <else/> <accept/> </if> </transition> <transition event=quot;connection.connectedquot;> <log expr=quot;'***** CALL WAS ANSWERED *****'quot;/> </transition> <transition event=”connection.disconnected”> <log expr=”‘*** Call was disconnected ***’”/> <exit/> </transition> <transition event=quot;error.*quot;> <log expr=quot;'an error has occured (' + event$.reason + ')'quot;/> <exit/> </transition> </eventprocessor> </ccxml> © Voxeo Corporation
Java? © Voxeo Corporation
SIP Servlets - Standard Java based API for writing SIP applications. - 1.0 standardized as JSR-116. - 2.0 just released as JSR-289 - Extends the HTTP Servlet model to support SIP and telephony applications - http://www.sipservlet.com/ - Supported by a large number of application servers including Oracle (BEA), IBM, Sun, Voxeo. 31 © Voxeo Corporation
Converged Applications © Voxeo Corporation
JSR-309 - Java Media Server API - Based on the CCXML media model - Still in draft stage - Provides dialog resources, conferencing, media routing to Java applications 33 © Voxeo Corporation
Example Application © Voxeo Corporation
Sample Application Overview - Caller dials in to the application - Caller is bridged to the subscriber - Results of the call attempt are posted to Twitter via their REST API 35 © Voxeo Corporation
Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 36 © Voxeo Corporation
Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 37 © Voxeo Corporation
Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <ccxml version=quot;1.0quot; is id2=quot;incomingcallquot;/> <join id1=quot;event$.connectionidquot; <var name=quot;statusquot; expr=quot;'RJ on the phone'quot;/> xmlns=quot;http://www.w3.org/2002/09/ccxmlquot;> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </ccxml> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 38 © Voxeo Corporation
Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 39 © Voxeo Corporation
Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> <var name=quot;statequot; expr=quot;'init'quot;/> </transition> <var name=quot;incomingcallquot;/> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <var name=quot;tURLquot; <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> <eventprocessor statevariable=quot;statequot;> his phone'quot;/> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering </eventprocessor> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 40 © Voxeo Corporation
Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 41 © Voxeo Corporation
Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <accept/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; </transition> target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 42 © Voxeo Corporation
Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 43 © Voxeo Corporation
Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <assign name=quot;statequot; expr=quot;'calling'quot;/> <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> </transition> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 44 © Voxeo Corporation
Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 45 © Voxeo Corporation
Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <transition dest=quot;'tel:+18312392883'quot;/> <createcall event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <assign name=quot;statequot; expr=quot;'connected'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <assign name=quot;statequot; expr=quot;'connected'quot;/> id2=quot;incomingcallquot;/> <join id1=quot;event$.connectionidquot; <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; <send target=quot;tURLquot; namelist=quot;statusquot;/> name=quot;'update'quot; targettype=quot;'basichttp'quot; </transition> target=quot;tURLquot; namelist=quot;statusquot;/> <transition event=quot;connection.failedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> </transition> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 46 © Voxeo Corporation
Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 47 © Voxeo Corporation
Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <transition event=quot;connection.failedquot; state=quot;callingquot;> <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <assigntargettype=quot;'basichttp'quot; name=quot;'update'quot; <send name=quot;statequot; expr=quot;'done'quot;/> target=quot;tURLquot; namelist=quot;statusquot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <sendtarget=quot;tURLquot; namelist=quot;statusquot;/> targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 48 © Voxeo Corporation
Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 49 © Voxeo Corporation
Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <transition name=quot;statequot; expr=quot;'connected'quot;/> <assign <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> state=quot;connectedquot;> event=quot;connection.disconnectedquot; <assignname=quot;statusquot; expr=quot;'RJ isname=quot;'update'quot; <var on the phone'quot;/> name=quot;statequot; expr=quot;'done'quot;/> <send targettype=quot;'basichttp'quot; target=quot;tURLquot; namelist=quot;statusquot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> target=quot;tURLquot; namelist=quot;statusquot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; </transition>target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 50 © Voxeo Corporation
Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 51 © Voxeo Corporation
Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; <transition event=quot;send.successfulquot; state=quot;donequot;> target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <exit/> <transition event=quot;connection.failedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> </transition> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 52 © Voxeo Corporation
Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 53 © Voxeo Corporation
We Got Java Bean! © Voxeo Corporation
Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { Api twitter_api; List<URI> targets; public void init() throws ServletException { twitter_api = new Api(quot;zscgeekquot;, quot;passwordquot;); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(quot;sip:rj@voxeo.comquot;)); targets.add(sipFactory.createURI(quot;sip:rj@rjauburn.comquot;)); targets.add(sipFactory.createURI(quot;sip:8312392883@provider.comquot;)); } protected void doInvite(SipServletRequest req) throws ServletException, IOException { if (req.isInitial()) { Proxy proxy = req.getProxy(); proxy.setRecordRoute(true); proxy.setParallel(true); proxy.proxyTo(targets); } } protected void doSuccessResponse(SipServletResponse resp) throws IOException { if (resp.getMethod().equalsIgnoreCase(quot;invitequot;)) { try { twitter_api.updateStatus(quot;RJ is taking a phone call from quot; + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(quot;failed to update twitterquot;,e);} } } } 55 © Voxeo Corporation
Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { Api twitter_api; List<URI> targets; public void init() throws ServletException { twitter_api = new Api(quot;zscgeekquot;, quot;passwordquot;); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(quot;sip:rj@voxeo.comquot;)); targets.add(sipFactory.createURI(quot;sip:rj@rjauburn.comquot;)); targets.add(sipFactory.createURI(quot;sip:8312392883@provider.comquot;)); } protected void doInvite(SipServletRequest req) throws ServletException, IOException { if (req.isInitial()) { Proxy proxy = req.getProxy(); proxy.setRecordRoute(true); proxy.setParallel(true); proxy.proxyTo(targets); } } protected void doSuccessResponse(SipServletResponse resp) throws IOException { if (resp.getMethod().equalsIgnoreCase(quot;invitequot;)) { try { twitter_api.updateStatus(quot;RJ is taking a phone call from quot; + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(quot;failed to update twitterquot;,e);} } } } 56 © Voxeo Corporation
Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { Api twitter_api; com.voxeo.rj.fmdemo; package List<URI> targets; public void init() throws ServletException { import java.io.IOException; twitter_api = new Api(quot;zscgeekquot;, quot;passwordquot;); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); import java.util.ArrayList; targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(quot;sip:rj@voxeo.comquot;)); import java.util.List; targets.add(sipFactory.createURI(quot;sip:rj@rjauburn.comquot;)); targets.add(sipFactory.createURI(quot;sip:8312392883@provider.comquot;)); } import javax.servlet.ServletException; import javax.servlet.sip.*; protected void doInvite(SipServletRequest req) throws ServletException, IOException { if import net.unto.twitter.Api; (req.isInitial()) { Proxy proxy = req.getProxy(); import net.unto.twitter.TwitterException; proxy.setRecordRoute(true); proxy.setParallel(true); proxy.proxyTo(targets); } } protected void doSuccessResponse(SipServletResponse resp) throws IOException { if (resp.getMethod().equalsIgnoreCase(quot;invitequot;)) { try { twitter_api.updateStatus(quot;RJ is taking a phone call from quot; + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(quot;failed to update twitterquot;,e);} } } } 57 © Voxeo Corporation
Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { Api twitter_api; List<URI> targets; public void init() throws ServletException { twitter_api = new Api(quot;zscgeekquot;, quot;passwordquot;); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(quot;sip:rj@voxeo.comquot;)); targets.add(sipFactory.createURI(quot;sip:rj@rjauburn.comquot;)); targets.add(sipFactory.createURI(quot;sip:8312392883@provider.comquot;)); } protected void doInvite(SipServletRequest req) throws ServletException, IOException { if (req.isInitial()) { Proxy proxy = req.getProxy(); proxy.setRecordRoute(true); proxy.setParallel(true); proxy.proxyTo(targets); } } protected void doSuccessResponse(SipServletResponse resp) throws IOException { if (resp.getMethod().equalsIgnoreCase(quot;invitequot;)) { try { twitter_api.updateStatus(quot;RJ is taking a phone call from quot; + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(quot;failed to update twitterquot;,e);} } } } 58 © Voxeo Corporation
Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { public class FMServlet extends SipServlet Api twitter_api; List<URI> targets; { public void init() ServletException { public void init() throws throws ServletException { twitter_api = new Api(quot;zscgeekquot;, quot;passwordquot;); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); } targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(quot;sip:rj@voxeo.comquot;)); targets.add(sipFactory.createURI(quot;sip:rj@rjauburn.comquot;)); targets.add(sipFactory.createURI(quot;sip:8312392883@provider.comquot;)); protected void doInvite(SipServletRequest req) } throws ServletException, IOException { protected void doInvite(SipServletRequest req) throws ServletException, IOException { if (req.isInitial()) { } Proxy proxy = req.getProxy(); proxy.setRecordRoute(true); proxy.setParallel(true); proxy.proxyTo(targets); protected void doSuccessResponse(SipServletResponse resp) } } throws IOException { } if (resp.getMethod().equalsIgnoreCase(quot;invitequot;))resp) throws IOException { protected void doSuccessResponse(SipServletResponse { } try { twitter_api.updateStatus(quot;RJ is taking a phone call from quot; + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(quot;failed to update twitterquot;,e);} } } } 59 © Voxeo Corporation
Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { Api twitter_api; List<URI> targets; public void init() throws ServletException { twitter_api = new Api(quot;zscgeekquot;, quot;passwordquot;); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(quot;sip:rj@voxeo.comquot;)); targets.add(sipFactory.createURI(quot;sip:rj@rjauburn.comquot;)); targets.add(sipFactory.createURI(quot;sip:8312392883@provider.comquot;)); } protected void doInvite(SipServletRequest req) throws ServletException, IOException { if (req.isInitial()) { Proxy proxy = req.getProxy(); proxy.setRecordRoute(true); proxy.setParallel(true); proxy.proxyTo(targets); } } protected void doSuccessResponse(SipServletResponse resp) throws IOException { if (resp.getMethod().equalsIgnoreCase(quot;invitequot;)) { try { twitter_api.updateStatus(quot;RJ is taking a phone call from quot; + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(quot;failed to update twitterquot;,e);} } } } 60 © Voxeo Corporation
Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { Api twitter_api; Api twitter_api; List<URI> targets; List<URI> void init() throws public targets; ServletException { twitter_api = new Api(quot;zscgeekquot;, quot;passwordquot;); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); public void init() throws ServletException { targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(quot;sip:rj@voxeo.comquot;)); twitter_api = new Api(quot;zscgeekquot;, quot;passwordquot;); targets.add(sipFactory.createURI(quot;sip:rj@rjauburn.comquot;)); targets.add(sipFactory.createURI(quot;sip:8312392883@provider.comquot;)); SipFactory sipFactory = } (SipFactory)getServletContext().getAttribute(SIP_FACTORY); protected void doInvite(SipServletRequest req) throws ServletException, IOException { if (req.isInitial()) { targets = Proxy proxy = req.getProxy(); new ArrayList<URI>(); proxy.setRecordRoute(true); targets.add(sipFactory.createURI(quot;sip:rj@voxeo.comquot;)); proxy.setParallel(true); proxy.proxyTo(targets); targets.add(sipFactory.createURI(quot;sip:rj@rjauburn.comquot;)); } } targets.add(sipFactory.createURI(quot;sip:8312392883@provider.comquot;)); protected void doSuccessResponse(SipServletResponse resp) throws IOException { } if (resp.getMethod().equalsIgnoreCase(quot;invitequot;)) { try { twitter_api.updateStatus(quot;RJ is taking a phone call from quot; + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(quot;failed to update twitterquot;,e);} } } } 61 © Voxeo Corporation
Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { Api twitter_api; List<URI> targets; public void init() throws ServletException { twitter_api = new Api(quot;zscgeekquot;, quot;passwordquot;); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(quot;sip:rj@voxeo.comquot;)); targets.add(sipFactory.createURI(quot;sip:rj@rjauburn.comquot;)); targets.add(sipFactory.createURI(quot;sip:8312392883@provider.comquot;)); } protected void doInvite(SipServletRequest req) throws ServletException, IOException { if (req.isInitial()) { Proxy proxy = req.getProxy(); proxy.setRecordRoute(true); proxy.setParallel(true); proxy.proxyTo(targets); } } protected void doSuccessResponse(SipServletResponse resp) throws IOException { if (resp.getMethod().equalsIgnoreCase(quot;invitequot;)) { try { twitter_api.updateStatus(quot;RJ is taking a phone call from quot; + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(quot;failed to update twitterquot;,e);} } } } 62 © Voxeo Corporation
Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { Api protected void doInvite(SipServletRequest twitter_api; req) throws List<URI> targets; public void init() throws ServletException { { ServletException, IOException if (req.isInitial()) { twitter_api = new Api(quot;zscgeekquot;, quot;passwordquot;); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); Proxy proxy = req.getProxy(); targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(quot;sip:rj@voxeo.comquot;)); proxy.setRecordRoute(true); targets.add(sipFactory.createURI(quot;sip:rj@rjauburn.comquot;)); targets.add(sipFactory.createURI(quot;sip:8312392883@provider.comquot;)); } proxy.setParallel(true); protected void proxy.proxyTo(targets);throws ServletException, IOException { doInvite(SipServletRequest req) if (req.isInitial()) { } Proxy proxy = req.getProxy(); proxy.setRecordRoute(true); } proxy.setParallel(true); proxy.proxyTo(targets); } } protected void doSuccessResponse(SipServletResponse resp) throws IOException { if (resp.getMethod().equalsIgnoreCase(quot;invitequot;)) { try { twitter_api.updateStatus(quot;RJ is taking a phone call from quot; + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(quot;failed to update twitterquot;,e);} } } } 63 © Voxeo Corporation
Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { Api twitter_api; List<URI> targets; public void init() throws ServletException { twitter_api = new Api(quot;zscgeekquot;, quot;passwordquot;); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(quot;sip:rj@voxeo.comquot;)); targets.add(sipFactory.createURI(quot;sip:rj@rjauburn.comquot;)); targets.add(sipFactory.createURI(quot;sip:8312392883@provider.comquot;)); } protected void doInvite(SipServletRequest req) throws ServletException, IOException { if (req.isInitial()) { Proxy proxy = req.getProxy(); proxy.setRecordRoute(true); proxy.setParallel(true); proxy.proxyTo(targets); } } protected void doSuccessResponse(SipServletResponse resp) throws IOException { if (resp.getMethod().equalsIgnoreCase(quot;invitequot;)) { try { twitter_api.updateStatus(quot;RJ is taking a phone call from quot; + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(quot;failed to update twitterquot;,e);} } } } 64 © Voxeo Corporation
Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { protected void doSuccessResponse(SipServletResponse Api twitter_api; List<URI> targets; resp) throws IOException { public void init() throws ServletException { if (resp.getMethod().equalsIgnoreCase(quot;invitequot;)) twitter_api = new Api(quot;zscgeekquot;, quot;passwordquot;); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); { targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(quot;sip:rj@voxeo.comquot;)); trytargets.add(sipFactory.createURI(quot;sip:rj@rjauburn.comquot;)); { targets.add(sipFactory.createURI(quot;sip:8312392883@provider.comquot;)); } twitter_api.updateStatus(quot;RJ is taking a phone call from quot; + resp.getRequest().getRequestURI()); protected void doInvite(SipServletRequest req) throws ServletException, IOException { if (req.isInitial()) { } catch(TwitterException e){log(quot;failed to update twitterquot;,e);} Proxy proxy = req.getProxy(); proxy.setRecordRoute(true); } proxy.setParallel(true); proxy.proxyTo(targets); } } } protected void doSuccessResponse(SipServletResponse resp) throws IOException { if (resp.getMethod().equalsIgnoreCase(quot;invitequot;)) { try { twitter_api.updateStatus(quot;RJ is taking a phone call from quot; + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(quot;failed to update twitterquot;,e);} } } } 65 © Voxeo Corporation
Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { Api twitter_api; List<URI> targets; public void init() throws ServletException { twitter_api = new Api(quot;zscgeekquot;, quot;passwordquot;); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(quot;sip:rj@voxeo.comquot;)); targets.add(sipFactory.createURI(quot;sip:rj@rjauburn.comquot;)); targets.add(sipFactory.createURI(quot;sip:8312392883@provider.comquot;)); } protected void doInvite(SipServletRequest req) throws ServletException, IOException { if (req.isInitial()) { Proxy proxy = req.getProxy(); proxy.setRecordRoute(true); proxy.setParallel(true); proxy.proxyTo(targets); } } protected void doSuccessResponse(SipServletResponse resp) throws IOException { if (resp.getMethod().equalsIgnoreCase(quot;invitequot;)) { try { twitter_api.updateStatus(quot;RJ is taking a phone call from quot; + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(quot;failed to update twitterquot;,e);} } } } 66 © Voxeo Corporation
So why is this important? © Voxeo Corporation
Phone Developers Web Developers Web Developers © Voxeo Corporation
Web © Voxeo Corporation
Ideas We have Never Thought Of © Voxeo Corporation
Standards Matter © Voxeo Corporation
Example Usage © Voxeo Corporation
Project Green Phone - By Mark Headd - http://www.voiceingov.org/blog/?p=135 - VoiceXML, JavaScript, CCXML, PHP - Application: - Caller dials in to app - App uses ANI/Caller ID and makes web service query to a database to determine location - Makes another web service query to find location of nearest E85/Biodiesel stations - Relays information to caller - Sends caller a SMS text msg with info © Voxeo Corporation
Rocketsource.org - www.rocketsource.org - Vox-Attendant - A VoiceXML-based, speech-driven auto attendant that can connect callers with any person or group with an enterprise, via their desk, cellular, or VoIP phones. - Vox-Mail - A VoiceXML-based, speech-driven voicemail application that can store messages locally or integrate with any IMAP email server to provide basic unified messaging. - Voice Conference Manager - A VoiceXML and CCXML-based, speech-driven conference manager that features both phone and web-based conference call creation, access, and management. - VoiceXML, CCXML, grXML, JavaScript, Java, and Python © Voxeo Corporation
Wrapping Up © Voxeo Corporation
Look at the big picture © Voxeo Corporation http://flickr.com/photos/txd/100437832
More then one way to skin a cat! © Voxeo Corporation
Avoid the Mouse Trap © Voxeo Corporation
Be ready to scale © Voxeo Corporation
© Voxeo Corporation
RJ Auburn rj@voxeo.com http://www.voxeo.com/prophecy http://evolution.voxeo.com © Voxeo Corporation

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Developing SIP Applications

  • 1. Sep 16th, 2008 TMC Communication Developer Conference Developing SIP Applications RJ Auburn CTO rj@voxeo.com © Voxeo Corporation
  • 3. Sucks © Voxeo Corporation - Confidential
  • 7. This is not how it should be... © Voxeo Corporation
  • 11. What to do? © Voxeo Corporation
  • 12. Leverage The Web Model © Voxeo Corporation
  • 15. What Does It Look Like? © Voxeo Corporation
  • 16. Application API XML Tools Platform 16 © Voxeo Corporation
  • 17. Application JSR289, CCXML REST, & Designer SOAP VoiceXML Prophecy 17 © Voxeo Corporation
  • 18. Application Application API XML Tools Platform 18 © Voxeo Corporation
  • 20. Session Initiation Protocol - Session Initiation Protocol (SIP) defines how to establish a communication session between two endpoints - Primarily used for voice, but can for IM or virtually any other protocol - Almost always used in client/server configuration with quot;SIP proxiesquot; in control of quot;SIP endpointsquot; - Work going on in P2PSIP - see www.p2psip.org - Text-based protocol, originally modeled on HTTP © Voxeo Corporation
  • 21. SIP Communication INVITE Alice 180 RINGING Bob 200 OK ACK RTP (voice) BYE 200 OK © Voxeo Corporation
  • 22. Proxy Proxy A SIP B P SIP SI Alice RTP Bob © Voxeo Corporation
  • 23. SIP Resources - Internet Engineering Task Force (IETF) - RFC 3261 - Hitchhiker’s Guide to SIP - Open Source Info - VoIP Info Wiki: www.voip-info.org - Industry Sites - SIP Forum: www.sipforum.org - SIP Foundry: www.sipfoundry.org - OpenSBC: www.opensourcesip.org © Voxeo Corporation
  • 24. Open Source SIP Software - Systems - Asterisk: www.asterisk.org - sipXecs: www.sipfoundry.org - FreeSWITCH: www.freeswitch.org - OpenSER: www.openser.org - SIP Stacks - reSIProcate: www.resiprocate.org - Phones: - Gizmo: www.gizmoproject.org - MANY, many more: www.voip-info.org © Voxeo Corporation
  • 27. CCXML - Call Control XML (CCXML) is the W3C standard for call control using XML - Sister standard to VoiceXML - Integrates with VoiceXML for dialog control - Provides a framework for issuing call control commands and handling call control events - http://www.w3.org/TR/ccxml/ © Voxeo Corporation
  • 29. CCXML Hello World <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml version=quot;1.0quot;> <eventprocessor> <transition event=quot;connection.alertingquot;> <log expr=quot;'***** CONNECTION ALERTING *****'quot;/> <if cond=quot;event$.connection.remote == '8315551234'quot;> <reject/> <else/> <accept/> </if> </transition> <transition event=quot;connection.connectedquot;> <log expr=quot;'***** CALL WAS ANSWERED *****'quot;/> </transition> <transition event=”connection.disconnected”> <log expr=”‘*** Call was disconnected ***’”/> <exit/> </transition> <transition event=quot;error.*quot;> <log expr=quot;'an error has occured (' + event$.reason + ')'quot;/> <exit/> </transition> </eventprocessor> </ccxml> © Voxeo Corporation
  • 31. SIP Servlets - Standard Java based API for writing SIP applications. - 1.0 standardized as JSR-116. - 2.0 just released as JSR-289 - Extends the HTTP Servlet model to support SIP and telephony applications - http://www.sipservlet.com/ - Supported by a large number of application servers including Oracle (BEA), IBM, Sun, Voxeo. 31 © Voxeo Corporation
  • 33. JSR-309 - Java Media Server API - Based on the CCXML media model - Still in draft stage - Provides dialog resources, conferencing, media routing to Java applications 33 © Voxeo Corporation
  • 34. Example Application © Voxeo Corporation
  • 35. Sample Application Overview - Caller dials in to the application - Caller is bridged to the subscriber - Results of the call attempt are posted to Twitter via their REST API 35 © Voxeo Corporation
  • 36. Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 36 © Voxeo Corporation
  • 37. Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 37 © Voxeo Corporation
  • 38. Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <ccxml version=quot;1.0quot; is id2=quot;incomingcallquot;/> <join id1=quot;event$.connectionidquot; <var name=quot;statusquot; expr=quot;'RJ on the phone'quot;/> xmlns=quot;http://www.w3.org/2002/09/ccxmlquot;> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </ccxml> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 38 © Voxeo Corporation
  • 39. Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 39 © Voxeo Corporation
  • 40. Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> <var name=quot;statequot; expr=quot;'init'quot;/> </transition> <var name=quot;incomingcallquot;/> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <var name=quot;tURLquot; <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> <eventprocessor statevariable=quot;statequot;> his phone'quot;/> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering </eventprocessor> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 40 © Voxeo Corporation
  • 41. Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 41 © Voxeo Corporation
  • 42. Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <accept/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; </transition> target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 42 © Voxeo Corporation
  • 43. Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 43 © Voxeo Corporation
  • 44. Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <assign name=quot;statequot; expr=quot;'calling'quot;/> <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> </transition> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 44 © Voxeo Corporation
  • 45. Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 45 © Voxeo Corporation
  • 46. Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <transition dest=quot;'tel:+18312392883'quot;/> <createcall event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <assign name=quot;statequot; expr=quot;'connected'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <assign name=quot;statequot; expr=quot;'connected'quot;/> id2=quot;incomingcallquot;/> <join id1=quot;event$.connectionidquot; <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; <send target=quot;tURLquot; namelist=quot;statusquot;/> name=quot;'update'quot; targettype=quot;'basichttp'quot; </transition> target=quot;tURLquot; namelist=quot;statusquot;/> <transition event=quot;connection.failedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> </transition> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 46 © Voxeo Corporation
  • 47. Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 47 © Voxeo Corporation
  • 48. Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <transition event=quot;connection.failedquot; state=quot;callingquot;> <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <assigntargettype=quot;'basichttp'quot; name=quot;'update'quot; <send name=quot;statequot; expr=quot;'done'quot;/> target=quot;tURLquot; namelist=quot;statusquot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <sendtarget=quot;tURLquot; namelist=quot;statusquot;/> targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 48 © Voxeo Corporation
  • 49. Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 49 © Voxeo Corporation
  • 50. Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <transition name=quot;statequot; expr=quot;'connected'quot;/> <assign <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> state=quot;connectedquot;> event=quot;connection.disconnectedquot; <assignname=quot;statusquot; expr=quot;'RJ isname=quot;'update'quot; <var on the phone'quot;/> name=quot;statequot; expr=quot;'done'quot;/> <send targettype=quot;'basichttp'quot; target=quot;tURLquot; namelist=quot;statusquot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> target=quot;tURLquot; namelist=quot;statusquot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; </transition>target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 50 © Voxeo Corporation
  • 51. Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 51 © Voxeo Corporation
  • 52. Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; <transition event=quot;send.successfulquot; state=quot;donequot;> target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <exit/> <transition event=quot;connection.failedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> </transition> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 52 © Voxeo Corporation
  • 53. Follow Me/Find Me + Twitter <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?> <ccxml xmlns=quot;http://www.w3.org/2002/09/ccxmlquot; version=quot;1.0quot;> <var name=quot;statequot; expr=quot;'init'quot;/> <var name=quot;incomingcallquot;/> <var name=quot;tURLquot; expr=quot;'http://zscgeek:password@twitter.com/statuses/update.xml'quot;/> <eventprocessor statevariable=quot;statequot;> <transition event=quot;connection.alertingquot; state=quot;initquot;> <accept/> </transition> <transition event=quot;connection.connectedquot; state=quot;initquot;> <assign name=quot;statequot; expr=quot;'calling'quot;/> <assign name=quot;incomingcallquot; expr=quot;event$.connectionidquot;/> <createcall dest=quot;'tel:+18312392883'quot;/> </transition> <transition event=quot;connection.connectedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'connected'quot;/> <join id1=quot;event$.connectionidquot; id2=quot;incomingcallquot;/> <var name=quot;statusquot; expr=quot;'RJ is on the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.failedquot; state=quot;callingquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is not answering his phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;connection.disconnectedquot; state=quot;connectedquot;> <assign name=quot;statequot; expr=quot;'done'quot;/> <var name=quot;statusquot; expr=quot;'RJ is off the phone'quot;/> <send targettype=quot;'basichttp'quot; name=quot;'update'quot; target=quot;tURLquot; namelist=quot;statusquot;/> </transition> <transition event=quot;send.successfulquot; state=quot;donequot;> <exit/> </transition> </eventprocessor> </ccxml> 53 © Voxeo Corporation
  • 54. We Got Java Bean! © Voxeo Corporation
  • 55. Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { Api twitter_api; List<URI> targets; public void init() throws ServletException { twitter_api = new Api(quot;zscgeekquot;, quot;passwordquot;); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(quot;sip:rj@voxeo.comquot;)); targets.add(sipFactory.createURI(quot;sip:rj@rjauburn.comquot;)); targets.add(sipFactory.createURI(quot;sip:8312392883@provider.comquot;)); } protected void doInvite(SipServletRequest req) throws ServletException, IOException { if (req.isInitial()) { Proxy proxy = req.getProxy(); proxy.setRecordRoute(true); proxy.setParallel(true); proxy.proxyTo(targets); } } protected void doSuccessResponse(SipServletResponse resp) throws IOException { if (resp.getMethod().equalsIgnoreCase(quot;invitequot;)) { try { twitter_api.updateStatus(quot;RJ is taking a phone call from quot; + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(quot;failed to update twitterquot;,e);} } } } 55 © Voxeo Corporation
  • 56. Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { Api twitter_api; List<URI> targets; public void init() throws ServletException { twitter_api = new Api(quot;zscgeekquot;, quot;passwordquot;); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(quot;sip:rj@voxeo.comquot;)); targets.add(sipFactory.createURI(quot;sip:rj@rjauburn.comquot;)); targets.add(sipFactory.createURI(quot;sip:8312392883@provider.comquot;)); } protected void doInvite(SipServletRequest req) throws ServletException, IOException { if (req.isInitial()) { Proxy proxy = req.getProxy(); proxy.setRecordRoute(true); proxy.setParallel(true); proxy.proxyTo(targets); } } protected void doSuccessResponse(SipServletResponse resp) throws IOException { if (resp.getMethod().equalsIgnoreCase(quot;invitequot;)) { try { twitter_api.updateStatus(quot;RJ is taking a phone call from quot; + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(quot;failed to update twitterquot;,e);} } } } 56 © Voxeo Corporation
  • 57. Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { Api twitter_api; com.voxeo.rj.fmdemo; package List<URI> targets; public void init() throws ServletException { import java.io.IOException; twitter_api = new Api(quot;zscgeekquot;, quot;passwordquot;); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); import java.util.ArrayList; targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(quot;sip:rj@voxeo.comquot;)); import java.util.List; targets.add(sipFactory.createURI(quot;sip:rj@rjauburn.comquot;)); targets.add(sipFactory.createURI(quot;sip:8312392883@provider.comquot;)); } import javax.servlet.ServletException; import javax.servlet.sip.*; protected void doInvite(SipServletRequest req) throws ServletException, IOException { if import net.unto.twitter.Api; (req.isInitial()) { Proxy proxy = req.getProxy(); import net.unto.twitter.TwitterException; proxy.setRecordRoute(true); proxy.setParallel(true); proxy.proxyTo(targets); } } protected void doSuccessResponse(SipServletResponse resp) throws IOException { if (resp.getMethod().equalsIgnoreCase(quot;invitequot;)) { try { twitter_api.updateStatus(quot;RJ is taking a phone call from quot; + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(quot;failed to update twitterquot;,e);} } } } 57 © Voxeo Corporation
  • 58. Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { Api twitter_api; List<URI> targets; public void init() throws ServletException { twitter_api = new Api(quot;zscgeekquot;, quot;passwordquot;); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(quot;sip:rj@voxeo.comquot;)); targets.add(sipFactory.createURI(quot;sip:rj@rjauburn.comquot;)); targets.add(sipFactory.createURI(quot;sip:8312392883@provider.comquot;)); } protected void doInvite(SipServletRequest req) throws ServletException, IOException { if (req.isInitial()) { Proxy proxy = req.getProxy(); proxy.setRecordRoute(true); proxy.setParallel(true); proxy.proxyTo(targets); } } protected void doSuccessResponse(SipServletResponse resp) throws IOException { if (resp.getMethod().equalsIgnoreCase(quot;invitequot;)) { try { twitter_api.updateStatus(quot;RJ is taking a phone call from quot; + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(quot;failed to update twitterquot;,e);} } } } 58 © Voxeo Corporation
  • 59. Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { public class FMServlet extends SipServlet Api twitter_api; List<URI> targets; { public void init() ServletException { public void init() throws throws ServletException { twitter_api = new Api(quot;zscgeekquot;, quot;passwordquot;); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); } targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(quot;sip:rj@voxeo.comquot;)); targets.add(sipFactory.createURI(quot;sip:rj@rjauburn.comquot;)); targets.add(sipFactory.createURI(quot;sip:8312392883@provider.comquot;)); protected void doInvite(SipServletRequest req) } throws ServletException, IOException { protected void doInvite(SipServletRequest req) throws ServletException, IOException { if (req.isInitial()) { } Proxy proxy = req.getProxy(); proxy.setRecordRoute(true); proxy.setParallel(true); proxy.proxyTo(targets); protected void doSuccessResponse(SipServletResponse resp) } } throws IOException { } if (resp.getMethod().equalsIgnoreCase(quot;invitequot;))resp) throws IOException { protected void doSuccessResponse(SipServletResponse { } try { twitter_api.updateStatus(quot;RJ is taking a phone call from quot; + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(quot;failed to update twitterquot;,e);} } } } 59 © Voxeo Corporation
  • 60. Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { Api twitter_api; List<URI> targets; public void init() throws ServletException { twitter_api = new Api(quot;zscgeekquot;, quot;passwordquot;); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(quot;sip:rj@voxeo.comquot;)); targets.add(sipFactory.createURI(quot;sip:rj@rjauburn.comquot;)); targets.add(sipFactory.createURI(quot;sip:8312392883@provider.comquot;)); } protected void doInvite(SipServletRequest req) throws ServletException, IOException { if (req.isInitial()) { Proxy proxy = req.getProxy(); proxy.setRecordRoute(true); proxy.setParallel(true); proxy.proxyTo(targets); } } protected void doSuccessResponse(SipServletResponse resp) throws IOException { if (resp.getMethod().equalsIgnoreCase(quot;invitequot;)) { try { twitter_api.updateStatus(quot;RJ is taking a phone call from quot; + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(quot;failed to update twitterquot;,e);} } } } 60 © Voxeo Corporation
  • 61. Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { Api twitter_api; Api twitter_api; List<URI> targets; List<URI> void init() throws public targets; ServletException { twitter_api = new Api(quot;zscgeekquot;, quot;passwordquot;); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); public void init() throws ServletException { targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(quot;sip:rj@voxeo.comquot;)); twitter_api = new Api(quot;zscgeekquot;, quot;passwordquot;); targets.add(sipFactory.createURI(quot;sip:rj@rjauburn.comquot;)); targets.add(sipFactory.createURI(quot;sip:8312392883@provider.comquot;)); SipFactory sipFactory = } (SipFactory)getServletContext().getAttribute(SIP_FACTORY); protected void doInvite(SipServletRequest req) throws ServletException, IOException { if (req.isInitial()) { targets = Proxy proxy = req.getProxy(); new ArrayList<URI>(); proxy.setRecordRoute(true); targets.add(sipFactory.createURI(quot;sip:rj@voxeo.comquot;)); proxy.setParallel(true); proxy.proxyTo(targets); targets.add(sipFactory.createURI(quot;sip:rj@rjauburn.comquot;)); } } targets.add(sipFactory.createURI(quot;sip:8312392883@provider.comquot;)); protected void doSuccessResponse(SipServletResponse resp) throws IOException { } if (resp.getMethod().equalsIgnoreCase(quot;invitequot;)) { try { twitter_api.updateStatus(quot;RJ is taking a phone call from quot; + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(quot;failed to update twitterquot;,e);} } } } 61 © Voxeo Corporation
  • 62. Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { Api twitter_api; List<URI> targets; public void init() throws ServletException { twitter_api = new Api(quot;zscgeekquot;, quot;passwordquot;); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(quot;sip:rj@voxeo.comquot;)); targets.add(sipFactory.createURI(quot;sip:rj@rjauburn.comquot;)); targets.add(sipFactory.createURI(quot;sip:8312392883@provider.comquot;)); } protected void doInvite(SipServletRequest req) throws ServletException, IOException { if (req.isInitial()) { Proxy proxy = req.getProxy(); proxy.setRecordRoute(true); proxy.setParallel(true); proxy.proxyTo(targets); } } protected void doSuccessResponse(SipServletResponse resp) throws IOException { if (resp.getMethod().equalsIgnoreCase(quot;invitequot;)) { try { twitter_api.updateStatus(quot;RJ is taking a phone call from quot; + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(quot;failed to update twitterquot;,e);} } } } 62 © Voxeo Corporation
  • 63. Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { Api protected void doInvite(SipServletRequest twitter_api; req) throws List<URI> targets; public void init() throws ServletException { { ServletException, IOException if (req.isInitial()) { twitter_api = new Api(quot;zscgeekquot;, quot;passwordquot;); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); Proxy proxy = req.getProxy(); targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(quot;sip:rj@voxeo.comquot;)); proxy.setRecordRoute(true); targets.add(sipFactory.createURI(quot;sip:rj@rjauburn.comquot;)); targets.add(sipFactory.createURI(quot;sip:8312392883@provider.comquot;)); } proxy.setParallel(true); protected void proxy.proxyTo(targets);throws ServletException, IOException { doInvite(SipServletRequest req) if (req.isInitial()) { } Proxy proxy = req.getProxy(); proxy.setRecordRoute(true); } proxy.setParallel(true); proxy.proxyTo(targets); } } protected void doSuccessResponse(SipServletResponse resp) throws IOException { if (resp.getMethod().equalsIgnoreCase(quot;invitequot;)) { try { twitter_api.updateStatus(quot;RJ is taking a phone call from quot; + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(quot;failed to update twitterquot;,e);} } } } 63 © Voxeo Corporation
  • 64. Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { Api twitter_api; List<URI> targets; public void init() throws ServletException { twitter_api = new Api(quot;zscgeekquot;, quot;passwordquot;); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(quot;sip:rj@voxeo.comquot;)); targets.add(sipFactory.createURI(quot;sip:rj@rjauburn.comquot;)); targets.add(sipFactory.createURI(quot;sip:8312392883@provider.comquot;)); } protected void doInvite(SipServletRequest req) throws ServletException, IOException { if (req.isInitial()) { Proxy proxy = req.getProxy(); proxy.setRecordRoute(true); proxy.setParallel(true); proxy.proxyTo(targets); } } protected void doSuccessResponse(SipServletResponse resp) throws IOException { if (resp.getMethod().equalsIgnoreCase(quot;invitequot;)) { try { twitter_api.updateStatus(quot;RJ is taking a phone call from quot; + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(quot;failed to update twitterquot;,e);} } } } 64 © Voxeo Corporation
  • 65. Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { protected void doSuccessResponse(SipServletResponse Api twitter_api; List<URI> targets; resp) throws IOException { public void init() throws ServletException { if (resp.getMethod().equalsIgnoreCase(quot;invitequot;)) twitter_api = new Api(quot;zscgeekquot;, quot;passwordquot;); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); { targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(quot;sip:rj@voxeo.comquot;)); trytargets.add(sipFactory.createURI(quot;sip:rj@rjauburn.comquot;)); { targets.add(sipFactory.createURI(quot;sip:8312392883@provider.comquot;)); } twitter_api.updateStatus(quot;RJ is taking a phone call from quot; + resp.getRequest().getRequestURI()); protected void doInvite(SipServletRequest req) throws ServletException, IOException { if (req.isInitial()) { } catch(TwitterException e){log(quot;failed to update twitterquot;,e);} Proxy proxy = req.getProxy(); proxy.setRecordRoute(true); } proxy.setParallel(true); proxy.proxyTo(targets); } } } protected void doSuccessResponse(SipServletResponse resp) throws IOException { if (resp.getMethod().equalsIgnoreCase(quot;invitequot;)) { try { twitter_api.updateStatus(quot;RJ is taking a phone call from quot; + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(quot;failed to update twitterquot;,e);} } } } 65 © Voxeo Corporation
  • 66. Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { Api twitter_api; List<URI> targets; public void init() throws ServletException { twitter_api = new Api(quot;zscgeekquot;, quot;passwordquot;); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(quot;sip:rj@voxeo.comquot;)); targets.add(sipFactory.createURI(quot;sip:rj@rjauburn.comquot;)); targets.add(sipFactory.createURI(quot;sip:8312392883@provider.comquot;)); } protected void doInvite(SipServletRequest req) throws ServletException, IOException { if (req.isInitial()) { Proxy proxy = req.getProxy(); proxy.setRecordRoute(true); proxy.setParallel(true); proxy.proxyTo(targets); } } protected void doSuccessResponse(SipServletResponse resp) throws IOException { if (resp.getMethod().equalsIgnoreCase(quot;invitequot;)) { try { twitter_api.updateStatus(quot;RJ is taking a phone call from quot; + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(quot;failed to update twitterquot;,e);} } } } 66 © Voxeo Corporation
  • 67. So why is this important? © Voxeo Corporation
  • 68. Phone Developers Web Developers Web Developers © Voxeo Corporation
  • 70. Ideas We have Never Thought Of © Voxeo Corporation
  • 72. Example Usage © Voxeo Corporation
  • 73. Project Green Phone - By Mark Headd - http://www.voiceingov.org/blog/?p=135 - VoiceXML, JavaScript, CCXML, PHP - Application: - Caller dials in to app - App uses ANI/Caller ID and makes web service query to a database to determine location - Makes another web service query to find location of nearest E85/Biodiesel stations - Relays information to caller - Sends caller a SMS text msg with info © Voxeo Corporation
  • 74. Rocketsource.org - www.rocketsource.org - Vox-Attendant - A VoiceXML-based, speech-driven auto attendant that can connect callers with any person or group with an enterprise, via their desk, cellular, or VoIP phones. - Vox-Mail - A VoiceXML-based, speech-driven voicemail application that can store messages locally or integrate with any IMAP email server to provide basic unified messaging. - Voice Conference Manager - A VoiceXML and CCXML-based, speech-driven conference manager that features both phone and web-based conference call creation, access, and management. - VoiceXML, CCXML, grXML, JavaScript, Java, and Python © Voxeo Corporation
  • 75. Wrapping Up © Voxeo Corporation
  • 76. Look at the big picture © Voxeo Corporation http://flickr.com/photos/txd/100437832
  • 77. More then one way to skin a cat! © Voxeo Corporation
  • 78. Avoid the Mouse Trap © Voxeo Corporation
  • 79. Be ready to scale © Voxeo Corporation
  • 81. RJ Auburn rj@voxeo.com http://www.voxeo.com/prophecy http://evolution.voxeo.com © Voxeo Corporation