Yealink SIP-T23P User Manual page 124

User Guide for the SIP-T23/T23P/T23G IP Phone
3. Press the EndCall soft key to cancel the multicast RTP session.
Note Multicast RTP is one way only from the sender to the multicast address(es) (receiver). For
outgoing RTP multicasts, all other existing calls on the phone will be placed on hold.
To send RTP stream via a paging list key:
1. Press the paging list key when the phone is idle.
2. Press
3. Press
4. Press the Hold soft key to place the current multicast RTP session on hold.
5. Press the EndCall soft key to cancel the multicast RTP session.
You can configure the phone to receive a Real Time Transport Protocol (RTP) stream from
the pre-configured multicast address(es) without involving SIP signaling. You can
specify up to 10 multicast addresses that the phone listens to on the network.
How the phone handles incoming multicast paging calls depends on Paging Barge and
Paging Priority Active parameters configured via web user interface.
Paging Barge
The paging barge parameter defines the priority of the voice call in progress. If the
priority of an incoming multicast paging call is lower than that of the active call, it will be
ignored automatically. If Disabled is selected from the pull-down list of Paging Barge,
the voice call in progress will take precedence over all incoming multicast paging calls.
Valid values in the Paging Barge field:
1 to 10: Define the priority of an active call, 1 is the highest priority, 10 is the lowest.

Disabled: The voice call in progress will take precedence over all incoming paging

calls.
Paging Priority Active
The paging priority active parameter decides how the phone handles the incoming
multicast paging calls when there is already a multicast paging call on the phone. If
enabled, the phone will ignore incoming multicast paging calls with lower priorities,
otherwise, the phone will answer incoming multicast paging calls automatically and
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or to select the desired group.
or the Paging soft key to send RTP .