SIP extensions for the IP Multimedia Subsystem
User:Jesus.munozb/sandbox/Extensions to the Session Initiation Protocol for the IP Multimedia Subsystem; Extensions to the Session Initiation Protocol for the IP Multimedia Subsystem; Extensions to the SIP for the IP multimedia subsystem; SIP extensions for the IP multimedia subsystem
The Session Initiation Protocol (SIP) is the signaling protocol selected by the 3rd Generation Partnership Project (3GPP) to create and control multimedia sessions with two or more participants in the IP Multimedia Subsystem (IMS), and therefore is a key element in the IMS framework.