Method to reduce push-to-talk call setup time

Details Method to reduce push-to-talk call setup time Method to reduce push-to-talk call setup time

2007-02-23

2011-11-08

Pan, Yuwen (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

Plural transmitters or receivers

Reexamination Certificate

active

08055290

ABSTRACT:
System and method for reducing call setup time of a dispatch communication. In one embodiment, a method includes receiving a message from an originating dispatch device intended for a target dispatch device. The message may be inspected by a base transceiver station for a call request announcement. The method may further include determining if a radio resource is available for the target dispatch device. According to an additional embodiment of the invention, a call request acknowledgement message may be transmitted to the originating dispatch device after a period of time to ensure a guaranteed talk permit. The call request announcement may also be transmitted to the target dispatch device after the period of time.

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