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VoIP no ring back problem

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  • #24956 Reply

    When i call, i cannot hear ringback aftewards it takes so longtime. after that, it id disconnected.
    It is cisco 5300.
    Please suggest me.

    #24957 Reply

    This is a fundamental problem with Audio Connection times. Is this H.323 or SIP?

    The best way to approach this is to do the following:

    Download a packet Sniffer:

    -Install this and do not enable any filtering.
    This should be installed on a PC connected to the same HUB as either the Cisco or other VoIP end-point.
    -Start Agilent by hitting the upper Green StopLight
    -Place the call again while capturing the packets. Once the call is complete stop Agilent.

    You really need to know what you’re looking for here, so if you don’t have a clue of what i’m getting at here let me know.

    Audio Connection times. It appears that one of the devices isn’t allowing audio from the far end to connect to allow RBT(Ring Back Tone).

    Please answer questions for fixing this issue.



    #24958 Reply
    VoipKiller (Bigal)

    Bataa do you have you progress indicators setup in your Cisco box ?.

    #24959 Reply
    Vurcos – 12 Aug 2003-ANAND

    we are facing same RBT problem with our gate way…of non-cisco…pls suggest us whether we opt same solution as said above

    #24960 Reply

    try disabling inband tone from the non-cisco gateway. That might solve the problem – at least you will not be needing to activate Progress indicator in cisco…

    #24961 Reply
    Teodor Georgiev

    run a debug on the Cisco gateway (debug cch323 h225), and see what kind of Progress Indicator messages come.

    Btw, your description of the problem is a “crap” (sorry to say that, but it is a pure fact).

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