Audio I/O headset plug and plug detection circuitry

Audio in a mobile receiver

Audio management in a dual processor environment

Audio manipulation systems and methods

Audio nickname tag associated with PTT user

Audio output device selection for a portable electronic device

Audio output device, its alarm output control method, and...

Audio output using multiple speakers

Audio ramping technique for a radio

Audio system and method

Audio-output for a portable radio telephone utilizing a vehicle'

Auditory feedback control through user detection

Augmenting the capabilities of transceivers

Authenticating multiple devices simultaneously over a...

Auto-folder type cellular phone with variable opening and...

Automated cellular telephone clock setting

Automated communication using image capture

Automated selection of audio broadcast signal source based...

Automated user interface feature for a portable...

Automatic antenna identification and configuration, and...