Separate bind for SIP Trunk and internal calls [PJSIP]

FreePBX Configuration
1

I have an Asterisk instance running with FreePBX, and I have assigned a UDP transport for the address 10.10.20.4. I use it to handle calls for phones on the internal network.

Now, the operator providing the SIP trunk informed me that I must send traffic from the address 10.50.50.3 because they enforce an ACL.

Is it possible to set a separate bind parameter for my SIP trunk that is used to connect to the operator? If so, should I edit the *_custom.conf files?

I am using PJSIP.

2

You would need to define a new transport, and replace the transport setting for the trunk aor, etc.

I don’t know if there is any better way of doing this than that described in Custom transport in PJSIP, possible from GUI? - #5 by lgaetz (read the whole posting, as it has been edited with an easier way than the one it starts with).

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