Patent ID: 8072919
Filing Date: 2011-12-06
Classification: H04W

Abstract:
1. A CDMA communication system, comprising: a CDMA network having a mobile switching center connected to a public telephone switching network, operable to provide voice and data call services to mobile communication devices; a packet data system coupled to said CDMA network to provide packet data services to the mobile communication devices; and a trunking system coupled to said CDMA network and a packet data network to provide group call services to the mobile communication devices via the packet data network, said trunking system comprising (1) a plurality of dispatching clients in communication with said CDMA network to transmit data packets of a group call to and from mobile communication devices of a trunking group where members of each trunking group share a common trunking data link for transmission of data packets, and (2) a dispatching server connected to said packet data network and in communication with said dispatching clients to process group calls.