Yealink SIP-T21 E2 User Manual page 127

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.
The default codec is G722.
3. Click Confirm to accept the change.
Note
If G722 codec is used for multicast paging, the LCD screen will display the
indicate that it is providing high definition voice.
Default codec for multicast paging is configurable via web user interface only.
Advanced Phone Features
icon to
117