Yealink SIP-T48G User Manual page 225

Tap the Edit soft key.
3.
Enter the multicast IP address and port number (e.g., 224.5.6.20:10008) in the Address
4.
field.
The valid multicast IP addresses range from 224.0.0.0 to 239.255.255.255.
Enter the string that will appear on the touch screen in the Label field
5.
Enter the desired channel in the Channel field.
6.
The valid channel ranges from 0 to 30.
Tap the Save soft key to accept the change.
7.
Repeat steps 2 to 7, you can add more paging groups.
8.
Paging list is configurable via web user interface at the path Directory->Multicast IP.
To delete a paging group via phone user interface:
1. Tap the paging list key when the phone is idle.
Tap a desired paging group.
2.
Tap the Delete soft key.
3.
Tap OK to accept the change or Cancel to cancel.
4.
Advanced Phone Features
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