Advanced Phone Features
253
Multicast Paging
You can use multicast paging to quickly and easily broadcast time sensitive announcements out
to people who are listening to a specific multicast group. You can configure a multicast paging
key or a paging list key on the phone, which allows you to send a Real Time Transport Protocol
(RTP) stream to the pre-configured multicast address(es) without involving SIP signaling. You
can configure the phone to receive an RTP stream from pre-configured multicast listening
address(es) without involving SIP signaling. You can specify up to 10 multicast listening
addresses.
Sending RTP Stream
To configure a multicast paging key via phone user interface:
1. Tap ->Features->DSS Keys.
2. Tap the desired line key.
3. Tap the Type field.
4. Tap Key Event in the pop-up dialog box.
5. Tap the Key Type field.
6. Tap Multicast Paging in the pop-up dialog box.
7. (Optional.) Enter the string that will appear on the touch screen in the Label field.
8. 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.
9. Tap the Save soft key to accept the change or to cancel.
Multicast paging key is configurable via web user interface at the path DSSKey->Line Key.
To configure a paging list key via phone user interface:
1. Tap ->Features->DSS Keys.
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