System and method for indicating circuit switched access at...

Details System and method for indicating circuit switched access at... System and method for indicating circuit switched access at...

H - Electricity

04

L

H04L 29/06 (2006.01)

Patent

CA 2680069

In IP Multimedia Subsystem (IMS) IMS Control Channel Protocol (ICCP) is used between a user equipment (UE) and IMS Control Channel Function (ICCF) and Session Initiated Protocol (SIP) interface (between to ICCF, Call Session Control Function and Application Server) to support the indication of Circuit Switched (CS) access utilizing P-Access-Network-lnformation header. The indication can be used by an S-CSCF or AS for different purposes such as routing decision, charging, and presence info.

Un protocole de canal de commande IMS (ICCP) de sous-système IP multimédia (IMS) est utilisé entre un équipement d'utilisateur (UE) et une fonction de canal de commande IMS (ICCF) et une interface de protocole lancé par session (SIP) (entre l'ICCF, la fonction de commande de session d'appel et le serveur d'application) pour prendre en charge l'indication d'un accès à commutation de circuits (CS) en utilisant un en-tête d'informations de réseau d'accès P. L'indication peut être utilisée par un S-CSCF ou un AS à différentes fins, telles qu'une décision d'acheminement, un chargement et une information de présence.

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