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  1. Call to external extention - no audio

    I've found the problem: it's a router, which cannot handle our office traffic. The traffic is not very high itself (10kB/s) , but it has many outgoing TCP requests per second. We are a producer of network monitoring solution and we test it generating so many connections. After I turned our...
  2. Call to external extention - no audio

    Actually both 3CX and phone are in DMZ and still the phone does not register with 3CX. What's the problem? Greg
  3. Call to external extention - no audio

    Currently the Grandstream stopped to register at all. I added the phone IP to DMZ with no effect. Changed the phone to supported GXP2000. It didn't register. EyeBeam sometimes registers (sometimes timeouts), but with significant delay. It's getting worse and worse... And I don't change anything.
  4. Call to external extention - no audio

    I start thinking that you are right. I have purchased - according to 3CX support - Linksys WRV200 (upgraded to the latest firware) and I have real problems now. 3CX dos not get incoming phone calls most time, external phones cannot register most time. Interesting is that at start, it was quite...
  5. Call to external extention - no audio

    Update: after enabling option "PBX delivers audio" Grandstream works, while Siemens still not. Any thoughts? Greg
  6. Call to external extention - no audio

    I have the following problem: - 3cx server is setup at the office - latest version, router is Linksys WRV200 with all port mappings configured (firewall checker ok) and everything works ok. All calls - internal and external (incoming and outgoing) are ok. - At home - I have Grandstream BT200...
  7. Extentions receiving calls depending on domain - IP or DNS

    I encountered strange behaviour of our softphones (EyeBeam). All of them are within local network. When I put our 3cx server local IP address in the domain field, all softphones register properly, but they sometimes do not receive calls. When I put our public address there (3cx server is local...
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