Yealink SIP-T48G Administrator's Manual page 368

Administrator's Guide for SIP-T2_Series_T4_Series IP Phones
2. Enter the listening multicast address and port number in the Listening Address
field.
1 is the highest priority and 10 is the lowest priority.
3. Enter the label in the Label field.
The label will appear on the LCD screen when receiving the RTP multicast.
4. Click Confirm to accept the change.
To configure paging barge and paging priority active features via web user interface:
1. Click on Directory->Multicast IP.
2. Select the desired value from the pull-down list of Paging Barge.
3. Select the desired value from the pull-down list of Paging Priority Active.
4. Click Confirm to accept the change.
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