Patent ID: 6904023
Filing Date: 2005-06-07
Classification: H04L,H04M,H04W

Abstract:
1. An apparatus for providing group call services among an iDEN network and a plurality of non-iDEN networks, the apparatus comprising: a voice signaling gateway (VSGW) coupled to the plurality of non-iDEN networks and to the iDEN network; an originating unit located in one of the plurality of non-iDEN networks or iDEN network and the originating unit coupled to the VSGW for initiating a group call to at least one target unit of a plurality of target units, in another of the plurality of non-iDEN networks or iDEN network; and means for storing in the VSGW information for each of a plurality of the target units of the group call, the information including group related information for the plurality of non-iDEN networks and iDEN network.