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  1. 3CX registering remote internal IPs only

    Hi, thank you for reply. I set STUN server to stun.3cx.com, registration succeded again, but still private IP in the log and no voice. Router at remote extension side is Zyxel P320W and no other system is using port 5060. I also setup other VOIP providers on C470IP phone and those are...
  2. 3CX registering remote internal IPs only

    Hello all, I tried to solve this last two day without any luck. I will appreciate if someone can guide me and help me. I have 3CX server in DMZ zone at work. All needed ports are opened. Local network at work functioning OK. VOIP providers functioning OK. Everything is as it should be. If I...
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