Yealink SIP-T48S User Manual page 218

User Guide for the SIP-T48S IP Phone
If the paging list key is not configured, you can also tap
configure the paging list.
Tap a desired paging group.
2.
The default tag is Empty if it is not configured before.
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 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.
208
->Features->Paging List to