When a call is placed on hold, the IP phone will send an INVITE message to the specified MoH
server account according to the SIP URI. The MoH server account automatically responds to the
INVITE message and immediately plays audio from some source located anywhere (LAN, Internet)
to the held party. For more information, refer to draft RFC draft Worley-service-example.
Hold call: party A is in an active call with party B, party A can Hold this call by click Menu hold.
Then, party B will be held on. Party A can resume this call by click Menu Resume.
You can mute the microphone of the active audio device (handset, Headset or speakerphone) on
Halo IP phones during an active call or when the phone is on the pre-dialing/dialing/calling/ringing
screen. The call is automatically muted when setting up successfully. Muting before a call is
answered prevents the other party from hearing local discussion. You can activate the mute
feature by pressing the MUTE key. Normally, the mute feature is automatically deactivated when
the active call ends. You can use keep mute feature to keep the mute state persisting across the
calls.
Topics
Keep Mute
In a call center or meet room, if incoming calls are answered automatically, the callers may hear
the local discussion. Therefore, you can mute the phone in an idle state to prevent the unintended
situation. The mute state persists across calls until you unmute the microphone manually or until
the phone restarts. You can activate the mute feature by pressing the MUTE key in idle/pre-
dialing/dialing/ringing/calling/talking state.
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