Yealink SIP-T48G Administrator's Manual page 363

Parameters
Menu->Features->DSS Keys->Line Key X->Type
To configure a multicast paging key via web user interface:
1. Click on DSSKey->Line Key.
2. In the desired DSS key field, select Multicast Paging from the pull-down list of Type.
3. Enter the multicast IP address and port number in the Value field.
The valid multicast IP addresses range from 224.0.0.0 to 239.255.255.255.
4. (Optional.) Enter the string that will appear on the LCD screen in the Label field.
5. Click Confirm to accept the change.
To configure a paging list key via web user interface:
1. Click on DSSKey->Line Key (or Programable Key).
2. In the desired DSS key field, select Paging List from the pull-down list of Type.
3. (Optional.) Enter the string that will appear on the LCD screen in the Label field.
4. Click Confirm to accept the change.
To configure a codec for multicast paging via web user interface:
1. Click on Features->General Information.
Configuring Advanced Features
Permitted Values Default
349