Samsung ITP5012L - Manual (Page 83)

© SAMSUNG Electronics Co., Ltd. Page 67
FEATURES USED DURING A CALL
Mute
During a call you can mute the handset transmitter or microphone while still listening to the other party .
1.
Press the [Select] button for [MUTE]
displayed on the screen.
2.
Press the [Select] button for [MUTE(OFF)] to
clear the Mute function.