Yealink SIP-T48S User Manual page 219

To delete a paging group via phone user interface:
1. Tap the paging list key when the phone is idle.
2. Tap a desired paging group.
3. Tap the Delete soft key.
4. Tap OK to accept the change or Cancel to cancel.
If you want to delete all paging groups, you can tap the Delete 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:
Click on Features->General Information.
1.
Select the desired codec from the pull-down list of Multicast Codec.
2.
The default codec is G722.
Advanced Phone Features
209