Patent ID: 7885262
Filing Date: 2011-02-08
Classification: H04L

Abstract:
1. A method for a resource admission control process in an originating home network, comprising: performing, by a Service-based Policy Decision Function entity (SPDF) located in the originating home network, a process of configuring an IP Multimedia Subsystem (IMS) connection for a Core-Border Gateway Function entity (C-BGF) located in the originating home network upon receiving an Authentication Authorization Request (AAR-Request) message; performing, by the C-BGF, a network address and/or port number translation (NA(P)T) binding process for a media stream; obtaining, by the SPDF, current media stream address information after the NA(P)T binding process from the C-BGF; sending, by the SPDF, an Admission Request message containing the current media stream address information obtained from the C-BGF, to an Access-Resource and Admission Control Function entity (A-RACF) located in the originating home network; and performing, by the A-RACF, a resource admission control process for the media stream according to the Admission Request message.