BenQ S670C - Manual (Page 64)

48 Using Your Phone
Operations During a Call
8
The following options marked with an asterisk (*) are dependent on
network support on may require a subscription.
Adjusting the Earpiece Volume
During a call, you can press the volume key on the left side of the
phone to adjust call volume.
Mute
Press (Mute) to turn off the microphone. The person on the other
end of the line will not be able to hear your voice. To restore the
microphone's function, press (Unmute).
Putting a Call on Hold*
1. When the only call is active:
a. Press (Hold) to hold this call.
b. Press to end this call.
2. When the only call is on hold:
a. Press (Unhold) to resume the call.
b. Press to end this call.
3. When there is an active call and a call on hold.
a. Press (Swap) to resume the call that is on hold, and put
the active call on hold.
b. Press to show on the display a list of calls that you can
end.