ISDN BRI analog call

Discussion in 'Cisco' started by Dragec, Sep 29, 2004.

  1. Dragec

    Dragec Guest


    I have branch with fr connection to central sit and ISDN BRI backup. In case
    of backup I am using both B channels. If I want to make an analog call on NT
    port, I cannot because both channels are taken by router. How can I make
    router free one channel in case of analog call and use it later when call is

    Dragec, Sep 29, 2004
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  2. Dragec

    Tosh Guest

    How can I make
    As far as I know, when both channels are up the CO doesn't even notify the
    router of a new call.
    Tosh, Oct 1, 2004
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  3. Dragec

    Dragec Guest

    but I think that when you have PC connected to ISDN line, it is possible to
    have second B channel released when there is another call. I just do not
    know if it is NT function or ISDN adapter receive some kind of message from
    NT "hey dude, release one B channel so your master wife could make an phone
    Dragec, Oct 1, 2004
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