Yealink CP920 User Manual page 128

User Guide for the CP920 HD IP Conference Phone
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7.
The priorities of listening addresses are predefined: 1 with the highest priority, 31 with the
lowest.
Note
Both the multicast paging sender and receiver's phones play a warning tone when establishing a
multicast paging call.
Multicast listening addresses are configurable via web user interface only.
Using Multicast Paging
To send RTP stream via a multicast paging key when the receiver's phone is idle:
Tap the multicast paging key when the phone is idle.
1.
The phone sends RTP to a preconfigured multicast address (IP: Port).
Both the sender's and receiver's phones play a warning tone and the receiver automatically
answers the multicast RTP session in the hands-free (speakerphone) mode.
LED indicators illuminate solid green.
The following figure shows a multicast RTP session on the phone:
You can do the following:
2.
To place the current multicast RTP session on hold, tap the Hold soft key.

The sender's phone places the multicast RTP session on hold and receiver's phone
releases the session.
To resume the held multicast RTP session, tap the Resume soft key.
The multicast RTP session is established again.
To end the multicast RTP session, tap the End Call soft key.

To send RTP stream via a paging list key when the receiver's phone is idle:
Tap the paging list key when the phone is idle.
1.
Tap or
2.
Tap the Paging soft key to send RTP.
3.
Your can do the following:
4.
To place the current multicast RTP session on hold, tap the Hold soft key.

The sender's phone places the multicast RTP session on hold and receiver's phone
releases the session.
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to select the desired paging group.