Using Multicast Paging - Yealink SIP-T48S User Manual

Enter the multicast IP address(es) and port number (e.g., 224.5.6.20:10008) which the phone
4.
listens to for incoming RTP multicast in the Listening Address field.
(Optional.) Enter the label in the Label field.
5.
Label will appear on the touch screen when receiving the multicast RTP stream.
Select the desired channel to listen from the pull-down list of Channel.
6.
The default channel is 0.
Click Confirm to accept the change.
7.
Note The priorities of listening addresses are predefined: 1 with the highest priority, 31 with the lowest.
Multicast listening addresses are configurable via web user interface only.

Using Multicast Paging

To send RTP stream via a multicast paging key when the receiver's phone is idle:
Tap the multicast paging key when the phone is idle.
1.
The phone sends RTP to a preconfigured multicast address (IP: Port).
Both the sender's and receiver's phones play a warning tone and the receiver automatically
answers the multicast RTP session in the speakerphone mode.
The multicast paging key icon indicator will become
Advanced Phone Features
and solid.
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