Yealink SIP-T21 E2 User Manual page 133

The valid multicast IP addresses range from 224.0.0.0 to 239.255.255.255.
5. Enter the group name in the Label field.
6. Press the Save soft key to accept the change.
7. Repeat steps 2 to 6, you can add more paging groups.
Paging list is configurable via web user interface at the path: Directory->Multicast IP.
To delete a paging group via phone user interface:
1. Press the paging list key when the phone is idle.
2. Press or
3. Press the Option soft key and then select Delete.
The LCD screen prompts "Delete selected paging group?".
4. Press the OK soft key to accept the change or the Cancel soft key to cancel.
If you want to delete all paging groups, you can press the Del All soft key.
You can also configure the phone to use a default codec for sending multicast RTP
stream via web user interface.
To configure a default codec for multicast paging via web user interface:
1. Click on Features->General Information.
2. Select the desired codec from the pull-down list of Multicast Codec.
to select a desired group.
Advanced Phone Features
123