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Call drops

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  • #64232 Reply
    RAN
    Guest

    how does very high traffic cause TCH drops?

    #64233 Reply
    Mania
    Guest

    Can cause by increasing Premption drops if you have that enabled and you have SIMs of multiple classes issued in your network then the system may drop a call of lower class sim to accomodate for call_setup of a higher class sim.
    Also during high traffic there is increase in system’s internal noise floor that causes increase in drops.
    Also during high traffc cells are congested and certain handovers get delayed or rejected due to congestion which results in call dragging and dropping or attempts to non best serverer neighbour causing increase in Handover failures resulting in increase in DCR.

    #64234 Reply
    HARENDRA KUMAR RAJPUT
    Guest

    ACTUALLY U KNOW BCCH WORK FOR SIGNALLING, WHEN SIGNALLING WILL COMPLETE THE RACH SEND THE REQUEST FOR THE SDCCH CHANNEL,AGCH ALLOT THE SDCCH CHANNEL,NOW IN DEDICATED MODE SDCCH WORK FOR SIGNALLIN AND MONITERED THE TCH BLOCK,IF THE TCH BLOCK IS NOT AVAILABLE THEN THE DROP OCCURS DUE TO TRAFFIC.

    #64235 Reply
    Mania
    Guest

    What HKR?could your please explain..

    #64236 Reply
    RAN
    Guest

    HRK could you please explain.
    Mania thanks for your explanation

    #64237 Reply
    homa
    Guest

    which timer can reduce the valu calldrop

Viewing 6 posts - 1 through 6 (of 6 total)
Reply To: Reply #64233 in Call drops
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