The present specification adds detailed flows of Policy and Charging Control (PCC) over the Diameter-based Rx, Gx, Gxx, Sd, Sy, S9, Nt, Diameter-based St and Np reference points and their...
The present document specifies the procedures used at the radio interface core network protocols within the 3rd generation mobile telecommunications system and the digital cellular telecommunications...
The present document defines a call control protocol for use in the IP Multimedia (IM) Core Network (CN) subsystem based on the Session Initiation Protocol (SIP), and the associated Session...
The present document specifies the protocol conformance testing for the User Equipment (UE) supporting the Internet Protocol (IP) multimedia call control protocol based on Session Initiation Protocol...