Hi, I’m not really that new to NAT in fact know it pretty well however I’m newbie with how Asterisk and the SIP protocol handles NAT Ill explain my architecture a little first I have a AsteriskNow box running version 13.0.192.16. It sits behind a pfsense firewall that has NAT disabled. It simply…

This is a dump of the x-lite log SIP/2.0 200 OK Via: SIP/2.0/UDP 192.168.20.20:55420;rport=55420;received=192.168.20.20;branch=z9hG4bK-524287-1—41cb5324f3e3f44b Contact: sip:XXX.XXX.45.16:5060 To: sip:982281654@remote.XXX.XXX.com ;tag=be90b976-f030-486a-bdf5-fbb4b683093b From: “Michael” sip:999@…

NAT is a tough nut to crack, so there’s no simple solutions. The problem is that some things implement NAT one way and some other ways. In addition, the ways you deal with NAT and the different NAT modalities make it all a little challenging to cover is short. In addition, some NAT problems solve th…

Because the Cisco is handling NAT, and even though pfSense is not set up with NAT, you still have to tell asterisk to run in NAT mode in sip settings.

Thanks hammer, This is the setting I cannot find in sip settings unless my eyes are failing me. Im assuming I can do this through the asterisknow gui

[image] [image] Make sure you choose static IP for your setup.

a guess is that the cisco router has the sip alg turned on.

Thanks Hammer however i thought those settings are only relevant for the SIP channel and not the PJSIP channel. Anyhow i managed to get it working. I had made a mistake on in my NAT statements that were preventing it from working. Everything good now. Regards

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Nat Newbie - Driving me Crazy

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