Grandstream Networks GXV3370 User Manual page 40

1. During the Call, press the MPK button as shown above.
2. The list of MPK configured for the active account will be displayed.
3. User can choose an MPK from the list as they see convenient
Mute
During an active call, press "More" ��"Mute" to mute the call. The mute icon
the top of the screen. Press "More" ��"Unmute" to unmute the call.
Figure 57: MPK button
Figure 58: MPK list
will be displayed in the status bar on