Patent ID: 7376128
Filing Date: 2008-05-20
Classification: H04L,H04M,H04W

Abstract:
1. A method of handling voice call between Radio Communication Units (RCUs) of a wireless communication system in an all-IP architecture, wherein said wireless communication system comprises Core Network (CN) consisting of Mobile switch center MSC and Gateway Mobile Switch Center (GMSC), Radio Network Subsystem (RNS) consisting of a plurality of Radio Network Controllers (RNCs), and a plurality of RCUs, said method comprising the following steps: A) when a first RCU is about to initiate voice call with a second RCU, a first agent address FA will be assigned to a corresponding mobile RCU via the RNC in which the mobile RCU resides; B) when the first RCU requests to talk to the second RCU, corresponding Media Gateway (MG) assigns a second agent address HA C) carrying out appropriate resource configuration for corresponding RNC in which said first and second RCUs reside or the corresponding MG; D) transmitting VoIP data packets between said RNC of the two RCUs or corresponding MG according to said first agent address FA and said second agent addresses HA