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How to configure IP Authenticated SIP trunk

Nijin Narayanan

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We have IP authenticated SIP Strunk with 5 DID Number.


How do i configure this SIP trunk on snomone ? & How to handle Outboud & incoming Calls ?


I have created SIP trunk with following config:

Type: SIP Proxy

Proxy Address: SIP trunk IP Address


IP Routing List:


Any settings needed to work this SIP trunk ?


All the Extensions are configued remote location.

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For that I would choose the gateway mode. You can also explicitly list the IP addresses where the trunk sends SIP packets from, if they should be different than the outbound proxy address.


The IP replacement will work only if your firewall is configured accordingly. Inbound packets to port 5060 must be forwarded to the host (

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