Patent ID: 8077717
Filing Date: 2011-12-13
Classification: H04L,H04W

Abstract:
1. A method for providing multicast services, comprising: receiving, by an application server (AS), a multicast service request sent by a User Equipment (UE) through an IMS network, wherein the multicast service request comprises a multicast service identifier and a Channel ID; analyzing, by the AS, the Channel ID carried in the multicast service request, and requesting the media transmission parameters corresponding to the Channel ID from a Service Schedule Function (SSF); receiving, by the AS, the media transmission parameters from the SSF, wherein the media transmission parameters comprise multicast address; sending, by the AS, a response carrying the media transmission parameters to the UE through the IMS network; and sending, by a Media Resource Function (MRF), multicast service media streams corresponding to the media transmission parameters to the UE; wherein, before receiving, by the AS, the media transmission parameters from the SSF, the method further comprises: