Sprint Spectrum L.p.

Daniel J Cureton

Michael T Lundy

Harry Lai

Louie E Wingo

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 &#x201c;white list&#x201d; 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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Washington, DC, United States of America

Daniel J Cureton