Microphone
You can mute and unmute your phone’s microphone while
a call is in progress. During a call, your phone’s softkeys
change from Menu and Names to Options and Mute.
Muting and unmuting your phone
You can mute the phone’s microphone during a call; simply
press Mute. To unmute the microphone, press Unmute.
If these texts are not available, press Options, scroll to
Mute or End mute and press Select.
Muting and unmuting also affect the microphones of any
accessories connected to the phone.