Patent ID: 6947747
Filing Date: 2005-09-20
Classification: H04L,H04W

Abstract:
1. A method of setting up a call in a wireless communication network comprising: receiving a service request for a call at one of a plurality of control nodes in the wireless communication network, wherein the network is a Narrowband Integrated Services Digital Network (N-ISDN) and call control and bearer control are separated, the call being intended for a select destination: selecting at least one media gateway to switch a user plane for handling the call depending on one of origin of the call, destination of the call and required service of the call, the at least one MGW including plural logical points for connecting plural MGW resources for handling the user plane of the call, the at least one MGW being adapted to identify one of the logical points to one of the control nodes in response to a request for resources from the one of the plurality of control nodes; reserving a logical point in said at least one media gateway and communicating with the media gateway to setup bearer control for the call.