Yealink SIP-T28P - Manual (Page 130)

User Guide for the SIP-T28P IP Phone
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5. Enter the multicast IP address and port number (e.g., 224.5.6.20:10008) in the Value
field.
The valid multicast IP addresses range from 224.0.0.0 to 239.255.255.255.
6. Press the Save soft key to accept the change or the Back soft key to cancel.
Multicast paging key is configurable via web user interface at the path DSSKey.
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.