Method and apparatus for providing a dispatch call

Details Method and apparatus for providing a dispatch call Method and apparatus for providing a dispatch call

2005-05-17

2005-05-17

Maung, Nay (Department: 2684)

Telecommunications

Transmitter and receiver at separate stations

Plural transmitters or receivers

C455S519000

Reexamination Certificate

active

06895254

ABSTRACT:
In addition to a hang timer (405), a second timer (403) (session timer) is introduced. A base station (101, 102) monitors a dispatch call, and if there exists no activity for a period of time greater than the hang-timer threshold, the base station (101, 102) will drop the over-the-air channels broadcasting the call to the remote units (113-118). All active participants to the call will be maintained until the session timer expires. Once the session timer expires, the talk-group participants will be reset to their original members.

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