Multicast Paging; Sending Rtp Stream - Yealink SIP-T21 E2 User Manual

the speakerphone mode by default.
2. To end the intercom call, press the intercom key again or the EndCall soft key.
You can use multicast paging to quickly and easily broadcast time sensitive
announcements to users who are listening to a specific multicast group. You can
configure a multicast paging key or the 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.
To configure a multicast paging key via phone user interface:
1. Press Menu->Features->DSS Keys.
2. Select the desired DSS key.
3. Press or , or the Switch soft key to select Key Event from the Type field.
4. Press or , or the Switch soft key to select Multicast Paging from the Key
Type field.
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->Line
Key.
To configure a paging list key via phone user interface:
1. Press Menu->Features->DSS Keys.
2. Select the desired DSS key.
3. Press or , or the Switch soft key to select Key Event from the Type field.
Advanced Phone Features
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