Note: If the
3.The "Microphone Mute" field is enabled by default. The microphone is muted on the IP phone for Intercom calls made by the originating caller. To disable this field, uncheck the box.
4.The "Play Warning Tone" field is enabled by default. If
5.The "Allow Barge In" field is enabled by default. If “Allow Barge In” is enabled, the phone puts an active call on hold and answers the incoming Intercom call. To disable this field, uncheck the box.
6.Click 
to save your settings.
Using Redial Key for “Last Number Redial”
The IP phone has an enhanced redial user interface that allows a user to quickly redial the last number that was dialed out from the phone. You can:
•Press the REDIAL button twice to redial the last number dialed.
•Press the REDIAL button once, scroll the list of numbers, then press the REDIAL button again to dial the number that displays on the screen.
The “last number redial” feature for the Redial key is static and is not configurable.
Group RTP Paging (Receiving End Only)
You can configure the phone to allow it to receive a Real Time Transport Protocol (RTP) stream to/ from
The 6751i in the local network listens for RTP on the preconfigured multicast address. The Phone displays the “Paging” message to the phone’s LCD. It uses the G711 uLaw CODEC for multicast RTP.
The recipient can drop the incoming page if required. The recipient can also set Do Not Disturb (DND) to ignore any incoming pages.
For incoming RTP multicasts, the ringing display is dependant on the setting for the “Allow
Additional Features
Model 6751i IP Phone User Guide | 97 |
