3CXPhone has one-way souned when used remotely

Discussion in 'Windows' started by athena, Aug 15, 2015.

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  1. athena

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    Hello,

    My 3CX server (IP 10.0.2.163) is configured, and works perfectly when used from the LAN.

    My router is a Cisco RV042G; the port forwarding (called uPnP on this model) is configured as follow :
    - port 5060 UDP&TCP forwarded to my 3CX server
    - port 5090 UDP&TCP forwarded to my 3CX server
    - ports 5000 & 5001 TCP forwarded to my 3CX server
    - ports 9000 to 9011 UDP forwarded to my 3CX server (range is limited to 9011 in 3CX config)
    - SIP ALG is disabled
    - UDP & TCP timeouts are set to 1800

    However, when using it via 3CXPhone for Windows remotely, I can hear the remote person, but he cannot hear me (I checked the microphone settings, including with Skype, and it works).


    I run the Firewall Checker (with Windows Firewall disabled) and... nothing should work...
    I receive the answer "Failed - No response received or port mapping is closed. Port forwarding not configured correctly." for all ports (5060, 5090 and 9000 to 9011).

    I also used the Remote Firewall/NAT test utility (using STUN server), and I receive this answer :

    Trying to resolve address of proxy FQDN:'mydomain.com'
    Server IP has been resolved: 'myfixedIP:5060'->myfixedIP:5060
    Start test, v.1.0.4
    STUN resolution result: addr = mylocalIP:5091
    Extension 601 is registered
    Calling *777
    Connection with *777 established
    WARN:Contact port is not PBX port: 5060->56064
    WARN:Audio connection IP not PBX IP: myfixedIP->10.0.2.163


    What is port 56064 ??
    What does "Audio connection IP not PBX IP" mean ??

    Could you please help me to solve these issues ?

    Thanks in advance.
     
  2. leejor

    leejor Well-Known Member

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    Well it certainly sounds like a router issue.

    Here is someone else that had similar problems.

    https://supportforums.cisco.com/discussion/11883606/rv042g-port-forwarding-not-working-ideas

    And perhaps, go over this, if you haven't...

    http://portforward.com/english/routers/port_forwarding/Linksys/RV042/3CX.htm


    In all of the routers that I've used, UPNp is an option that is either on, or off. It will (normally, in a basic set-up, and using compatible devices) configure most port forwarding for you.

    https://en.wikipedia.org/wiki/Universal_Plug_and_Play

    3CX itself is not a UPNp compatible device and as such requires manual port forwarding.
     
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