Administrator’s Guide for SIP-T2xP and SIP-T19P IP Phones
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6. Click Confirm to accept the change.
Multicast paging allows IP phones to send/receive Real-time Transport Protocol (RTP)
streams to/from the pre-configured multicast address(es) without involving SIP signaling.
Up to 10 listening multicast addresses can be specified on the IP phone.
Users can send an RTP stream without involving SIP signaling by pressing a configured
multicast paging key. A multicast address (IP: Port) should be assigned to the multicast
paging key, which is defined to transmit RTP stream to a group of designated IP phones.
When the IP phone sends the RTP stream to a pre-configured multicast address, each IP
phone preconfigured to listen to the multicast address can receive the RTP stream.
When the originator stops sending the RTP stream, the subscribers stop receiving it. This
feature is not applicable to SIP-T19P IP phones.
Procedure
Configuration changes can be performed using the configuration files or locally.
Assign a multicast paging key.
For more information, refer to
Multicast Paging Key on page
431.
Specify a multicast codec for the
IP phone to use for multicast RTP.
For more information, refer to
Sending RTP Stream on page 365.
Assign a multicast paging key.
Navigate to:
http://<phoneIPAddress>/servlet
?p=dsskey&q=load&model=0
Specify a multicast codec for the
IP phone to use for multicast RTP.
Navigate to:
http://<phoneIPAddress>/servlet
?p=features-general&q=load
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