Patent ID: 8478261
Filing Date: 2013-07-02
Classification: H04L,H04Q,H04W

Abstract:
1. A system for providing advanced voice services in a cellular telephone network, comprising: a cellular telephone network for making calls between mobiles; at least one real-time exchange that interfaces to the cellular telephone network to perform advanced voice services, the advanced voice services including an instant two-way half-duplex voice call within a group of users of the cellular telephone network; wherein an originating mobile transmits an event trigger to the real-time exchange, and the real-time exchange transmits a wakeup message to one or more terminating mobiles of predicted participants, in order to transition the terminating mobiles of the predicted participants from a dormant state to an active state prior to a call being setup with the terminating mobiles of the predicted participants; and wherein the terminating mobiles of the predicted participants are identified by a predictive wakeup mechanism before the originating mobile sends a list of one or more terminating mobiles of actual participants to the real-time exchange.