Has anyone had any success setting up a SIP trunk between a CUBE and 3CX phone system. The SIP trunk is not registering, but when I make calls to extensions on the 3CX I can see it Invite, Try, Authenticate, Acknowledged, and then I get a 404 User un...
The above config actually ended up working, but changes had to be made on the 3CX side. I'm not sure what they changed, but it came up with no problems
