Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Reexamination Certificate
2011-01-04
2011-01-04
Nguyen, Duc (Department: 2618)
Telecommunications
Transmitter and receiver at separate stations
Plural transmitters or receivers
C370S229000, C379S088120, C379S088220, C379S142010, C455S418000
Reexamination Certificate
active
07865205
ABSTRACT:
A mobile station has a plurality of modes for processing incoming push-to-talk (PTT) audio communications. A first PTT mode is a “forced audio” mode, in which the mobile station plays PTT audio communications automatically. A second PTT mode is a “polite” mode, in which the mobile station plays PTT audio communications only after acceptance by the user. A “white list” identifies any parties that are allowed to communicate with the mobile station using the first PTT mode. A PTT audio communication from an initiator that is not identified in the white list is processed using the second PTT mode, even if the first PTT mode is requested. In addition, a PTT audio communication may be processed using the second PTT mode if the mobile station's speaker volume level is below a threshold value.
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Cureton Daniel J
Lai Harry H
Lundy Michael T
Wingo Louie E
Ayotunde Ayodeji
Nguyen Duc
Sprint Spectrum L.P.
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