Recent content by ducth

  1. Firewall check fail with fortigate

    i disabled SIP ALG and NAT port but Firewall check is fail. How resolve this problem? and this is my port NAT

  2. 3cx cant hear and talk with STUN remote

    why my firewall check sometime pass and sometime fail :(. that is reason my ip-phone only one way audio.

  3. 3cx cant hear and talk with STUN remote

    Hi all, Thanks for helping. I was disable SIP ALG and firewall check is pass. But now my phone is one way audio. I only can hear, and talk not work.

  4. 3cx cant hear and talk with STUN remote

    It's happen on bot outgoing and imcoming calls. recently, my system server upgrade firewall Fortigate and now i check firewall pass How to fix this?

  5. 3cx cant hear and talk with STUN remote

    Hi all, My Fanvil phone can make a call but can't hear and talk anything. All smartphone work good. My PBX behind firewall Fortigate and Fanvil behind router draytek i follow this post but cant work with me...

  6. Limited time or cost user???

    I need controll total time call of clients when they call out external. Can do it?

  7. Fanvil only hear and cant speak.

    My fannvil is IP7921, i dont know it is STUN or SBC. This happen when i calling from one extension to another. Firewall check is pass. my version is 15.5.0

  8. Fanvil only hear and cant speak.

    i make a call to phone Fanvil but i cant hear, and when they speak i cant hear anything. When i turn off power and start again, we can talk and hear two way. About 30minutes later, we cant hear again.

  9. 3CX not run background in Android

    thanks for your support. but i dont see any config on firebase(etc: ip public...). how to firebase can understand and connect to my voice ip server.

  10. 3CX not run background in Android

    Hi all, I have some problem with some my user. They cant receive a call when smartphone screen turn off. So i found 2 tutorial for config PUSH. https://www.3cx.com/docs/ https://www.3cx.com/docs/ Now i must follow what? My 3cx is version 15.5.9348.3 and where is my Web Management Console. Is it...
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