Patent ID: 8750201
Filing Date: 2014-06-10
Classification: H04L,H04W

Abstract:
1. A method for providing an access network selection to a multimode terminal, wherein the multimode terminal registers to an internet protocol (IP) multimedia sub-system (IMS) through a plurality of access networks, comprising: obtaining, by an application server (AS) in the IMS, a plurality of access network type identities sent by the multimode terminal, wherein the plurality of access network type identities sent by the multimode terminal respectively correspond to the plurality of access networks; and when a call connection is being performed to a called party, selecting, by the AS in the IMS, one access network from the plurality of access networks and instructing a serving-call session control function (S-CSCF) in the IMS to use one of the plurality of access network type identities corresponding to the selected access network to perform the call connection in the selected access network; wherein the called party is the multimode terminal.