menu_web

my_menu_bird

Message sequence for MO and MT Circuit Switched Call

Message sequence for Mobile Originated and Mobile Terminated Circuit Switched Call
Zahid Ghadialy

Further Reading: 
[1] 3GPP TS 25.331: RRC Protocol Specification
[2] 3GPP TS 25.413: UTRAN Iu Interface RANAP Signalling
[3] 3GPP TS 24.008: Mobile radio interface Layer 3 specifications; Core Network Protocols; Stage 3
[4] 3GPP TS 25.401: UTRAN Overall Description
[5] 3GPP TS 25.301: Radio Interface Protocol Architecture