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MCA in Good coverage

Viewing 6 posts - 1 through 6 (of 6 total)
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  • #63625 Reply
    Karan Singh
    Guest

    Facing Missed call alert in a good coverage area while the MS is idle….

    Any suggestions??

    #63626 Reply
    SHELDON
    Guest

    Hi Karan,

    What exactly do you mean by missed call alert? I know it’s possible to alert a subscriber of a missed call when paging fails….via a text message. Is that what you mean?

    Regards,
    SHELDON

    #63627 Reply
    Alexia
    Guest

    Yes Sheldon, that is the case. An MS is ON but when you call it you hear “It is not reachable”, then that called MS (Which is ON) gets a Missed Call Alert (A service provided by some operator to as sms to their customers informing them who called when their MS were OFF).
    Question is Why is that happening??

    #63628 Reply
    SHELDON
    Guest

    Hi Alexia,

    You will hear “unreachable” when the paging of the MS fails, and the paging can fail even if the MS is on. The paging can fail due to a number of factors, such as congestion on the paging channel.

    However, when the paging fails (MS unreachable), a simple VAS application can instruct the SMSC to send a text message to the mobile, notifying it of the missed call. The implementation can be done in one of 2 ways.

    1. The SMSC sends the message immediately, and keep trying until it reaches the subscriber( remember that with an SMS, the system can keep trying for a longer time, and for several more times, than a call).

    2. The SMSC sends the text message the next time the mobile makes contact with the network (eg, location update, call initiation, etc.)

    In conclusion, I’ll say that you will always have a number of these cases…because it’s impossible to ensure a 100% paging success rate.

    Regards,
    SHELDON

    #63629 Reply
    Alexia
    Guest

    That sound cool.
    Thank you for the info SHELDON

    #63630 Reply
    Angi
    Guest

    hi

    One major reason for paging failure is when MS is at a location area border doing frequent location updates- changing between different location area(LA)… or reselecting between 2G and 3G.

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