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MSC Traffic vs BSC Traffic

Viewing 9 posts - 1 through 9 (of 9 total)
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  • #56289 Reply
    Rex
    Guest

    Hi,
    recently we noticed that traffic measured in BSC is different with those in MSC. The diference is about 3000 erl in Network Level. What could be wrong? Anyone help!

    #56290 Reply
    Pix
    Guest

    3000 erlangs out of how many ?
    The ringing phase (alerting) is using a radio TCH, but not yet a MSC resource (A interface channel).
    It’s probably coming from here.

    6 seconds of alerting for an average call duration of 60 seconds –> 10% of traffic difference.

    #56291 Reply
    Rex
    Guest

    Hi,
    3000 Erlangs out of about 130000 Erl daily (cumulative).
    Thnks.

    #56292 Reply
    Rex
    Guest

    It should be less. MSC Traffic is bigger then BSC Traffic.

    #56293 Reply
    Pix
    Guest

    i don’t know then.

    #56294 Reply
    Alejandro
    Guest

    Hello; finally you could to find out why BSC traffic is bigger than MSC traffic?

    I’ve the same situation.

    BR,

    Alejandro

    #56295 Reply
    pix
    Guest

    it’s a difference of 2%…
    it has to do with delays between allocation or deallocation of resources. In case your MSC “pre” allocates the TCH, then the MSC traffic might be bigger.

    If the MSC waits for RTCH allocation first, then MSC traffic should be less…
    check your the triggers for the counters that measure traffic.

    regards
    pix

    #56296 Reply
    Nithya.M
    Guest

    how to calculate erlang in bsc and msc if we add 1 stm

    #70256 Reply
    Binay
    Guest

    Why BSC Traffic & MSC traffic has difference..?

Viewing 9 posts - 1 through 9 (of 9 total)
Reply To: MSC Traffic vs BSC Traffic
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