The Session Initiation Protocol has been chosen by the 3GPP for establishing multimedia sessions in UMTS Release 5 (R5) networks.
This paper discusses the operations of the UMTS R5 IP Multimedia Subsystem (IMS) in great detail.
The paper discusses where SIP is used in UMTS IMS and the interaction between the various components of the IMS networks.
The changes and enhancements made to the Internet telephony signaling protocols such as...
preview:
http://www.awardsolutions.com/downloads/Award_Advanced_SIP_oper.pdf
3/8/2007
