PJSIP Settings -> Advanced:
From Domain: 184.108.40.206
From User: 11112222
Match (Permit): 220.127.116.11,18.104.22.168,22.214.171.124,126.96.36.199,188.8.131.52
PJSIP Settings -> Codecs:
Check only alaw and g729.
With luck, you’ll be able to register and receive calls. If without the special header, CM defaults to your main number, you should also be able to make calls. If not, see
Note that the standard header for this purpose is P-Preferred-Identity, but the CM documentation shows Preferred-Identity. Ask them which is correct, or try it both ways.
If you still have trouble, at the Asterisk command prompt type pjsip set logger on
make a failing call (or registration attempt if it doesn’t register), paste the Asterisk log for the attempt at pastebin.freepbx.org and post the link here.
Also, describe any router/firewall between the PBX and the internet, as well as any VoIP-related settings in it.