Matrix Telecom SARVAM UMG System Manual page 497

To do so, click Settings
The Trusted IP Address Table opens in a new window.
• Enter the IP Address and the corresponding Port from which you want to allow incoming calls on
this SIP Trunk. You can configure maximum 21 characters. Allowed characters are 0-9, dot (.),
colon (:).
Do not configure the port, if you want to allow incoming calls from all the ports for a particular IP
Address.
• Click Submit and close the window.
• If you select As per Peer-to-Peer table option, the system matches the IP Address: Port received in
the INVITE message (Source IP address from the Network layer and Source Port from the Transport
layer) with the Destination Address configured in the Peer to Peer table. If a match is found, then the
call will be routed to the desired destination. Else the call will be rejected.
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Matrix SARVAM UMG System Manual