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no audio in outgoing call

Discussion in '3CX Phone System - General' started by jduncan, Sep 10, 2007.

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  1. jduncan

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    Hi guys,

    im having a strange problem. I can make internal calls fine but when i try dialing out through my gxw-4104 gateway i can make the call but there is no audio from either end and then the call is hung up after 30 seconds. i am using ht-486, bt-200 and x-lite and yebeam phones. all hav the same issue. here is the output from the log:

    11:43:04.125 StratLink::eek:nHangUp [CM104001] Call(16): Ext.206 hung up call; cause: unknown
    11:42:32.031 CallLegImpl::eek:nConnected [CM103001] Call(16): Created audio channel for Ln:10000@CP-GXW-4104 (192.168.0.155:5008) with Media Server (192.168.0.150:7052)
    11:42:32.031 StratInOut::eek:nConnected [CM104005] Call(16): Setup completed for call from Ext.206 to Ln:10000@CP-GXW-4104
    11:42:32.031 CallLegImpl::eek:nConnected [CM103001] Call(16): Created audio channel for Ext.206 (192.168.0.52:5004) with Media Server (192.168.0.150:7050)
    11:42:32.015 CallConf::eek:nProvisional [CM103003] Call(16): Ln:10000@CP-GXW-4104 is ringing
    11:42:30.000 CallConf::eek:nIncoming [CM103002] Call(16): Incoming call from 206 (Ext.206) to sip:7566469@192.168.0.150
     
  2. jduncan

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    Ok. i've done some playing around and found the source of the problem. There is a DSL filter installed on one of the phone lines. If i remove it the problem goes away and the phones work great. But the DSL is required. It is on a separate phone line but they all terminate at the same telco termination box that was installed with the lines. Is there any setting that i need to change to bpass this issue?
     
  3. SY

    SY Well-Known Member
    3CX Support

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    It seems a very specific case. You need to consult with Grandstream and telco regarding compatibility between DSL filter and gxw-4104, because it is hardware problem and our PBX has no capability to resolve it :(

    Regards
     
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