IP Phone User's Manual

GXV3140 USER MANUAL www.grandstream.com
SOFTWARE VERSION 1.0.0.44 [e-mail]
MUTE
1. During a call, the LCD screen will display “Mute”. Press the corresponding FUNCTION button to mute.
2. After the “Mute” button is pressed, the LCD screen will display “Unmute”, when this button is pressed,
the mute feature is cancelled.