Grandstream Wave - Manual (Page 20)

Firmware Version 1.0.1.21 Grandstream Wave User Guide Page 19 of 64
CALL HOLD/RESUME
During the active call, press the HOLD button to put the call on hold. Users could dial up or answer a new
call. The call hold screen is as shown in figure 11 below.
Figure 11: Call Unhold
To resume the call, press the UNHOLD button again to resume the call if the current active call is put on
hold, or press to end the call.
MUTE
During an active call, press the MUTE button to mute the call, press the button again to unmute the call.
The mute screen is as shown in figure 12 below.