Unable to change Contact Header IP Address

[david551]

externaddr and localnet are in the wrong section, as I told you in

Troubleshoot EC2 Twilio Asterisk 15.6.2 Trunk, No Audio

I believe you can only specify NAT related addresses in the general section. Your logs don’t match your configuration with respect to codecs, possibly because you have more codecs in the general section. (Not including disallow can break things if you haven’t got a disallow in general, but, in this case, you must, as you are not sending all possible codecs.) Although not causing you a visible problem, I would note you have a standard cook book configuration so it is obsolete and wrong. nat=y…