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All Channels are busy

Viewing 5 posts - 1 through 5 (of 5 total)
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  • #52456 Reply
    MKT
    Guest

    Hi all,

    A dials B…

    MSC plays the annoucement …”All Channels are busy”

    How does it goes…

    Regards

    #52457 Reply
    Mik
    Guest

    Announcement itself has to be linked to some clear code. First check what clear(release) code is generated during the failed call.

    #52458 Reply
    MKT
    Guest

    Is it possible that AGCH will be send saying sorry no SDCCH to allot towards MS…and the same is communicated to MSC by BSC.

    And MSC plays the annoucement …ALL CHANNELS ARE BUSY.

    BR
    MKT

    #52459 Reply
    Pix
    Guest

    MKT,

    If the SDCCH channels are all occupied, it is indeed possible that the BSC sends a message to the MS, on the AGCH : the “immediate assignment reject”. This is optional feature that is not mandatory !

    It tells the MS to re-send a Channel Request after a certain delay (this delay is configureable)

    I don’t know if there is a message from BSC to MSC, but if there is, it is NOT linked to the immediate assignment reject.

    #52460 Reply
    ikaw
    Guest

    It could be caused by a wrong End Of Signalling treatment at the core side.

Viewing 5 posts - 1 through 5 (of 5 total)
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