Simplified Call Flow Signaling: 2G/3G Voice Call

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3G4G

This presentation/video provides a simplified call flow signalling for 2G/3G voice calling

Technologie

Simplified Call Flow Signaling:
2G/3G Voice Call
@3g4gUK

2G/3G/4G Network Architecture
©3G4G
BSC
BTS
MSC
Voice (PSTN)
Network
SGSN
Data (IP)
Network
RNC
Node BeNodeB
MME
GGSN
Access
Network
Core
Network
Air
Interface
MSUEUE
BSSRNS
S-GW
P-GW
2G 2.5G
3G 4G
EPC

©3G4G
Mobile Network Operator 1
(MNO 1)
Public Switched Telephone Network
(PSTN)
Exchange
Exchange
Internet
Landline phone
Wi-Fi router
MNO 2
Core Network
Base Station
Base Station
Access NetworkBackhaul
Air Interface

2G/3G Voice Call Signalling
©3G4G
UE1 AN CS CN PS CN
Establish connection procedures
Paging UE2. Please respond
UE2
I want to Setup connection with UE 2
Ok. Call Proceeding
Call for UE2
Establish connection procedures
UE1 wants to establish connection with you
Ok, establishing connection
Connected
Connected

Thank You
To learn more, visit:
3G4G Website – http://www.3g4g.co.uk/
3G4G Blog – http://blog.3g4g.co.uk/
3G4G Small Cells Blog – http://smallcells.3g4g.co.uk/
Follow us on Twitter: https://twitter.com/3g4gUK
Follow us on Linkedin: https://www.linkedin.com/company/3g4g
©3G4G

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Simplified Call Flow Signaling: 2G/3G Voice Call

1. Simplified Call Flow Signaling: 2G/3G Voice Call @3g4gUK

2. 2G/3G/4G Network Architecture ©3G4G BSC BTS MSC Voice (PSTN) Network SGSN Data (IP) Network RNC Node BeNodeB MME GGSN Access Network Core Network Air Interface MSUEUE BSSRNS S-GW P-GW 2G 2.5G 3G 4G EPC

3. ©3G4G Mobile Network Operator 1 (MNO 1) Public Switched Telephone Network (PSTN) Exchange Exchange Internet Landline phone Wi-Fi router MNO 2 Core Network Base Station Base Station Access NetworkBackhaul Air Interface

4. 2G/3G Voice Call Signalling ©3G4G UE1 AN CS CN PS CN Establish connection procedures Paging UE2. Please respond UE2 I want to Setup connection with UE 2 Ok. Call Proceeding Call for UE2 Establish connection procedures UE1 wants to establish connection with you Ok, establishing connection Connected Connected

5. Thank You To learn more, visit: 3G4G Website – http://www.3g4g.co.uk/ 3G4G Blog – http://blog.3g4g.co.uk/ 3G4G Small Cells Blog – http://smallcells.3g4g.co.uk/ Follow us on Twitter: https://twitter.com/3g4gUK Follow us on Linkedin: https://www.linkedin.com/company/3g4g ©3G4G

Simplified Call Flow Signaling: 2G/3G Voice Call

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