During An Active Call; Mute; Call Hold; Call Waiting - Grandstream Networks Enterprise IP Phone Manual

Enterprise IP Phone

During an Active Call

Mute

This function allows you to mute the microphone of the active audio device during a call;
you can not be heard by the other party. You can still hear all other parties while mute
is enabled.
To mute/resume the conversation:
Press button during a conversation to mute the current call, the icon
shown on the LCD, and the power indication LED will blink. Press
normal conversation. When you press the MUTE button all of the conversations will be
mute

Call Hold

This call function allows you to place an active call on hold. In this case your IP PBX
might play a melody or message to the other party while waiting. Other calls can be
received and made while having a call on hold.
To hold/resume a call:
1) Press the
2) During the call, there will be a "dudu.." sound for each 30 second, suggesting that
there is a current call in Hold state.
3) If there is only one call on hold, press the
4) If there is more than one call on hold, press the Up/Down button to highlight the
call, then press the
Note:
When you are under the call hold status, putting down the handset, the conversation
will go on over the speaker instead of hanging up the call.

Call Waiting

This call feature allows your phone to accept other incoming calls to the extension no
matter under which circumstances.
To enable/disable Call Waiting via Phone interface:
1) Press ->Features->Call Waiting-> √ button.
2) Use the navigation keys to active/inactive call waiting.
3) Use the navigation keys to enable/disable the option.
button to put your active call on hold.
button again to retrieve the call.
button again to retrieve the call.
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Trouble Shooting
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