Connecting a SIP trunk onto a Nortel / Avaya BCM phone system

Hello everyone

For many years, I was primally involved with Nortetl products such as the BCM range. I still have one hooked up onto a mixture of lines and “fixed” phones including UNINStim IP sets etc.

I have seen a number of posts on how to link up FreePBX onto a BCM system via SIP trunks, but the replies were mainly based via the CLI command line access and I would like to know if anyone had done a guide that can be followed via the GUI access please?.

All I want to do is to link the two systems together so that the FreePBX dials a 4 digit number starting with 39 and the BCM uses a 4 digit number starting with 49.
All my extension numbers are 4 digit long on both systems.

I have tried using IAX, but that didn’t seem to work and I was thinking that perhaps using “legacy SIP” is the better option as using pjsip didn’t work either.



Sip would be required, IAX2 is for connecting Asterisk to Asterisk.

Oldie but goldie page

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