Hello,
Yesterday I upgraded from 3CX 15.5 to 16.0.5.619.
After the 3CX service started up, it was repeatedly failing to register with our SIP provider. Note that our SIP provider address is entered as a FQDN and we're using Google (8.8.8.8 and 8.8.4.4) as our DNS servers.
I did a packet...
Hello everyone! I am a newbie. I understand the fact that I need a Public DNS Address to make calls outside of the network. What DNS/DHCP records should I create in Server 2016, in order to make this setup work? Am I able to use 8.8.8.8 or 8.8.4.4 as an SRV Record in Server 2016 with...
So I logged a support case with 3CX about this and was told it was expected behavior and I needed to submit a feature request... This was originally a request to support SIP OPTIONS for monitoring SIP server health, but actually just supporting SRV record lookups as per the SIP RFC would be a...