No Audio

Discussion in '3CX Phone System - General' started by Damian, May 8, 2007.

  1. Damian

    Joined:
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    Please help

    I am trying to get 3CX to work with some Linksys SPA942 phones

    Set up is I have 1 server running 3CX 192.168.222.114
    and 2 linksys phones 192.168.227.21 & 192.168.227.22
    The phones are at a different site to the server connected which is linked by a VPN which has no traffic restriction at all between it

    I can successfully make calls but do not get any audio

    logs are below

    09:57:41.265 MediaServerReporting::RTPReceiver from 'ewok:0/MediaServer':No RTP packets were received on 00000004@:remoteAddr=192.168.227.21:16480,extAddr=0.0.0.0:0,localAddr=192.168.222.114:7006
    09:57:41.250 MediaServerReporting::RTPReceiver from 'ewok:0/MediaServer':No RTP packets were received on 00000003@:remoteAddr=192.168.227.22:16400,extAddr=0.0.0.0:0,localAddr=192.168.222.114:7004
    09:57:41.250 StratLink::eek:nHangUp Call(C:2): Ext.501 hung up call; reason: BYE
    09:57:27.906 CallLegImpl::eek:nConnected Call(C:2): Created audio channel for Ext.501 (192.168.227.21:16480) with Media Server (192.168.222.114:7006)
    09:57:27.906 StratInOut::eek:nConnected Call(C:2): Setup completed for call from Ext.502 to Ext.501
    09:57:27.906 CallLegImpl::eek:nConnected Call(C:2): Created audio channel for Ext.502 (192.168.227.22:16400) with Media Server (192.168.222.114:7004)
    09:57:22.750 CallConf::eek:nProvisional Call(C:2): got response from 501
    09:57:22.640 CallConf::eek:nIncoming Call(C:2): Incoming call from Ext.502 to sip:501@192.168.222.114



    Please help!!!!!
     
  2. silentfun

    silentfun Member

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    i think about the red

    STUN Server ?
    and one of the top problems in audio are the codecs.

    to enshure it is not codec try in the same subnet and if there is no audio too try 711 codec
     
  3. Anonymous

    Anonymous Guest

    Because you going from sub net to other subnet your extensions must be configured as external.

    Also your NAT mapping seems to get lost like pointed out by silentfun.

    Not sure if this is a codec problem as there are not RTP packets, if it was codecs there would be RTP packets (Me think)

    Start with:

    make device external.
    Bind to media server
    Setup STUN.
     

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