Patent ID: 7738896
Filing Date: 2010-06-15
Classification: H04M,H04W

Abstract:
1. An apparatus for providing advanced voice services (AVS) that comprise Push-To-Talk (P2T) in a wireless network, comprising: a handset for communicating with the wireless network in order to provide the advanced voice services, wherein the wireless network is used for making calls to and from the handset, and the calls are initiated by call setup and in-band signaling within the wireless network and voice frames for the calls are switched to and from the handset across bearer paths in the wireless network, wherein a real-time exchange interfaces to at least one mobile switching center in the wireless network to provide advanced voice services therein, wherein the real-time exchange and the handset that provides the advanced voice services communicate with each other using the call setup and in-band signaling within the wireless network, such that at least one mobile switching center routes an originating leg of the advanced voice services to the real-time exchange, the real-time exchange initiates one or more terminating legs of the advanced voice services through at least one mobile switching center, and the real-time exchange switches the voice frames for the advanced voice services for the originating and terminating legs across the bearer paths and through at least one mobile switching center in the wireless network, and wherein the handset includes a subscriber identity module (SIM) that stores software for performing the advanced voice services and data for providing the advanced voice services on the handset, the handset accesses the software from the SIM, and the software includes menu displays for the advanced voice services, as well as user interaction with the menu displays.