I have a PBX server inside my network behind a Sopho UTM 120 and I can't seem to get my VoIP system to work
My PBX registers with my VoIP provider without issue and without any rules in my Firewall, the problem cames when I try to make a call. When I make a call the UDP ports are all blocked for obvious reasons.
I have set my settings with my VoIP providers addresses in the Server group and my PBX in the SIP Client networks, however audio doesn't work either way. Tried both strict and Client/Server networks settings.
I have tried using a firewall rule to allow the ports through both in and out, made not difference.
I could get inbound calls work, but setting up a DNAT for the VoIP provider and a SNAT for the PBX however outgoing calls still did not work.
It seems no matter what rule I put in I can't get it to work reliably. Any help would be great, I would love to have it working for Christmas.
Thanks
Girkers
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