Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); IP Multimedia; Diameter based protocol for the interfaces between the Call Session Control Function and the User Profile Server Function/Subscription Locato
"The present document provides the ETSI TISPAN endorsement of the 3GPP TS 29.228 [1] "" Cx and Dx interfaces; Signalling flows and messages contents (Release 6)"" and the 3GPP TS 29.229 [2] ""IP Multimedia (IM) Subsystem Cx and Dx interfaces based on the DIAMETER protocol; Protocol details (Release 6)"". The present document provides the necessary adaptations to the above specifications@ in order comply with the requirements of NGN Release 1. Additionally@ the present document provides the necessary protocol extensions needed in support of HTTP Digest authentication (see annex A)."