This was originally opened in the beta thread as https://community.sophos.com/products/unified-threat-management/astaroorg/f/75/t/64305. I created a thread that was duped to this. I just rebooted after moving my config from a VM back to a physical box. I have rebooted 4 times and cannot get my pbx to register with either provider host. To clarify something in response to (IIRC) Kai: it cannot be an issue with the SIP provider. This is not clear the OP has this exact behavior, but what I see is: outbound SIP packets are NOT being NAT'ed, so obviously there is no way for the remote host to reply. I have rebooted 4 times, I have disabled/re-enbled the VOIP helper. Basically, my phone is off the air. This is obviously not acceptable to members of the household [:(] Still looking...
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