Audio don't work in 3G

Discussion in 'Android' started by abolinhas, Aug 13, 2011.

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  1. abolinhas

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    Hi,

    I install the latest version of 3cx phone on my htc legend (android 2.2), If i connect my account through wifi I can make calls and the audio work great, but if I change to 3G, I can make a call but when the other person answers the call I can't hear any thing on both sides
     
  2. leejor

    leejor Well-Known Member

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    Through what mobile provider? With 3CX PBX or a VoIP provider?
    If it is working through WiFi, I would first off suspect the provider (the mobile one).
     
  3. eagle2

    eagle2 Well-Known Member

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    Try upgrading to Android 2.3 (some 2.2 releases are blocking VoIP over 3G, still you need to allow it).
    I had similar issues with Samsung Galaxy, now is OK.

    Regards
     
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  4. abolinhas

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    @leejor
    I don't have a 3CX PBX I use a Draytek IPPBX 2820 and my voip provaider is Optimus Portugal

    @eagle2
    Ok, I will try upgrade to 2.3

    Through a vpn over 3g the audio work very well
     
  5. eagle2

    eagle2 Well-Known Member

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    This should be a NAT problem (losing your audio packets (RTP) with your 3G provider, if works fine with a tunnel).
    Depends on your IP PBX to be able to handle the case.

    Regards.
     
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  6. abolinhas

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    what is the rtp port range that 3cx for android use?
     
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