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Matrix SPARSH VP710 User Guide
Multicast Paging
Multicast paging allows you to broadcast time sensitive announcements quickly and efficiently to the people who
are listening to a specific multicast group or a specific channel.
You can configure a multicast paging key or a paging list key on the IP phone, which allows you to send a Real
Time Transport Protocol (RTP) stream to the pre-configured multicast address(es) and channel(s) without involving
SIP signaling.
You can configure the phone to receive an Real-time Transport Protocol (RTP) streams to/ from pre-configured
multicast listening address(es) and channel(s) without involving SIP signaling.
You can specify up to 31 multicast listening addresses and channel(s) on the IP phone.
The following describes 31 paging channels:
•
0: Matrix IP phones running old firmware version (old paging mechanism) and third-party devices (e.g.,
Cisco IP phones) supporting paging with Matrix IP phones running old firmware version are all grouped
into the channel 0. This is for compatibility with the old Matrix IP phones and third-party devices.
•
1 to 25 - Each Channel corresponds to the Polycom¡¦s channel 1 to 25 respectively. This is for compatibility
with the Polycom IP phones.
•
26 to 30 - These channel are for separate communication among the Matrix IP phones running new
firmware version (new paging mechanism).
The IP phone will automatically ignore all incoming multicast paging calls on the different channel.
Sending RTP Stream
You can send an RTP stream without involving SIP signaling by tapping a configured multicast paging key or a
paging list key. A multicast address (IP: Port) and a channel (0 to 30) should be assigned to the multicast paging
key, which is defined to transmit RTP stream to a group of designated IP phones on the desired channel.
When the IP phone sends the RTP stream to a pre-configured multicast address belongs to a desired channel,
each IP phone preconfigured to listen to the multicast address on the same channel can receive the RTP stream.
When the originator stops sending the RTP stream, the subscribers stop receiving it.
Summary of Contents for SPARSH VP710
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