sip trunk over IP

Feb 21, 2017
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Hello, good morning, I hope you are well.

My service provider removed E1 service over copper and instead delivers SIP trunks over IP.
It is delivered to a last mile switch with the parameters of an Ethernet link; Additionally, they separate the SIP registration from the media transport using two different IPs.

In Asterisk it has been very easy to configure this connection, simply make the direct connection from the switch to the server with the indicated parameters and create static routes for the two registration and rtp IP addresses.


In the case of fusionPBX it is not so simple, in fact I have not been able to configure it and I have to use a gateway with Asterisk to be able to make the connection.

I am attaching the supplier's file to see if you can help me.

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The configuration shown is the gateway that creates in Asterisk and works perfectly