Slides from my talk at FOSDEM 2015 lightning talks track, about Project Open Pi Phone - http://op2-project.github.io/

1. Saúl Ibarra Corretgé
@saghul
Building an Open Source
VoIP Hardware Phone

3. AG Projects
SIP Infrastructure Experts
SIP SIMPLE Client SDK

4. Hardware?

5. AG Projects
SIP Infrastructure Experts
Raspberry Pi

6. AG Projects
SIP Infrastructure Experts
Raspberry Pi
• ARM processor at 700 MHz - 1GHz
• 512 MB of RAM
• 10/100 Ethernet port
• USB 2.0 ports
• GPIO
• Debian runs on it

7. AG Projects
SIP Infrastructure Experts
+ = ?

8. AG Projects
SIP Infrastructure Experts
To achieve great things, two things are
needed: a plan, and not quite enough
time.
!
- Leonard Bernstein

9. AG Projects
SIP Infrastructure Experts
Saúl Tijmen

10. OP^2
Open Pi Phone

11. AG Projects
SIP Infrastructure Experts
OP^2
• Framework for developing a SIP
hardware device
• SIP SIMPLE SDK at the core
• Web based configuration interface
• RESTful API for configuration and
control
• Pluggable hardware backends

12. AG Projects
SIP Infrastructure Experts
OP^2 Architecture
RPi Odroid …

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SIP Infrastructure Experts
1st prototype:
Falcon

17. retina display!

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SIP Infrastructure Experts
2nd prototype:
FalconPlus

20. AG Projects
SIP Infrastructure Experts
Raspberry Pi B+

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SIP Infrastructure Experts
Raspberry Pi B+
• More GPIO
• Better power supply
• More USB ports

23. AG Projects
SIP Infrastructure Experts
Implementation challenges
• Initial knowledge and time
• Performance on the Raspberry Pi
• Interaction with the hardware

25. AG Projects
SIP Infrastructure Experts
Future Plans
• Enhance audio quality
• Provisioning system using Bonjour
• Web based contact management
• PoE
• Other better hardware platforms

27. AG Projects
SIP Infrastructure Experts
http://op2-project.github.io

28. AG Projects
SIP Infrastructure Experts
Questions?
bettercallsaghul.com
@saghul