692 Matrix ETERNITY NE System Manual
Peer-to-Peer Calling
What’s this?
Making an IP call without the intervention of a proxy server is called Peer-to-Peer Calling. As Peer-to-Peer calling
does not require a proxy server, voice communication using this application can be done virtually free of cost. The
major cost savings offered by this application makes it a very attractive mode of inter-branch or intra-office voice
communication.
How it works
Let us understand how to use Peer-to-Peer Calling with the following illustration:
• Two offices are directly connected over the IP network.
• ETERNITY is installed at Location A.
• The PBX at Location B may also be ETERNITY.
• Peer-to-Peer calls can be made between the two locations with suitable configuration of ETERNITY and
the PBX.
• At Location A, you need to do the following configuration in ETERNITY NE:
• Select a SIP trunk to be used for this application and enable it. For example, SIP1.
• Set the SIP Trunk Mode of this trunk to Peer-to-Peer.
• Keep the SIP ID field of the SIP trunk blank.
• Set the Treat Incoming Peer-to-Peer call as option on the SIP trunk to Station.
• Set the Send CLI option on the SIP trunk as Calling Party Wise.
• You may also configure the Closed User Group (CUG) Table to avoid dialing the Trunk Access Code
for the outgoing SIP Trunk, i.e. SIP 1.
PBX A
303
Location A
304
305
306
WAN
Broadband
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