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Attach without detach

Viewing 6 posts - 1 through 6 (of 6 total)
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  • #47908 Reply

    I found attachs without detachs in many cases. Can some one tell me when this kind of situation happens ?

    The user says that he’s doing reconnections (but I thougth the MS does a detach automatically).

    Thank you

    #47909 Reply

    Detach occurs only when the mobile is switched off. If the mobile is on, it will not detach, but performs location update to keep himslef alive in HLR.

    #47910 Reply
    Nazmul Huda

    Hello Guys,
    I am working in GSM operator.
    Recently we found a problem that our MS is attached but sometimes it has been seen that when call particular MS it call that the MS is ditached while the MS is attached. What would be the possible problem and solution.

    #47911 Reply


    Mostly, the target MS was in a bad covered area.

    #47912 Reply

    There’s no LAU. The MS is performing a new attach without detach.
    When asking the subscriber, he says that he has to reconnect because of “Deconnections”.
    I don’t think there’s deconnections, but just maybe lack of received data. He should have felt that it’s lagging so he reconnect.

    The question is :
    If this is what happened, should we find a detach on the probe’s captures or is it normal to find a new attach without being detached ?


    #47913 Reply
    Nazmul Huda

    What is the possible reason for MS Detache ( While the MS is Switch ON)From BSS side and from NSS side.


Viewing 6 posts - 1 through 6 (of 6 total)
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