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SDCCH DROPS

  • This topic has 98 replies, 1 voice, and was last updated 12 years ago by chis.
Viewing 15 posts - 61 through 75 (of 99 total)
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  • Author
    Posts
  • 7th February 2009 at 22:14 #35770
    TNS
    Guest

    Hi, all.
    Sometimes it’s possible to get very high SDCCH drop ( up to 90% ) due to faulty mobile uncapable to complete periodical location update…

    BR

    8th February 2009 at 14:34 #35771
    Pix
    Guest

    TNS, do you know which MS? (brand, model?)

    13th February 2009 at 22:24 #35772
    TNS
    Guest

    Hi, Pix.

    I know for 2 times Siemens 25C and one Ericsson 28T.
    Very archaic mobiles.

    Usualy we fight with gateways ( especially illegals ).

    BR.

    31st March 2009 at 14:53 #35773
    MHK
    Guest

    hi,
    i am working in ZTE iran office,,in After-Sale department and also BSS Part!!…in some area ZTE equipment have High call drop..how can i reduce it?!!

    2nd April 2009 at 13:04 #35774
    moumeen
    Guest

    what is the cause of high SDFAIL in ALCATEL equipment?

    8th June 2009 at 13:39 #35775
    brijmani
    Guest

    What are the reasons of sdcch drop,traffic congestion,tch drops

    8th June 2009 at 14:58 #35776
    Pix
    Guest

    brijmani,
    it is not possible to answer your question… the possibilities are endless 🙂 sorry.

    19th August 2009 at 07:31 #35777
    tilter
    Guest

    do you have any idea with SD drops in A interface?? SDDROPS_AiF

    24th August 2009 at 15:24 #35778
    Patrick
    Guest

    We have a problem with HIGH SDCCH drops on our network. It was usually 1.14%, but now it is around 2%. What should the SDCCH drops be ideally?

    24th August 2009 at 21:32 #35779
    Pix
    Guest

    Hello Patrick,

    Ideally… 0%…

    Typically, in urban area, a target KPI around 1% should be achieved.
    Basically, your SDCCH should be a little less than your TCH drop rate.

    Regards,
    pix

    25th August 2009 at 09:35 #35780
    Bijoy
    Guest

    Hi Patrick
    Which system r u using?

    7th September 2009 at 05:44 #35781
    k.srikanthraja
    Guest

    what is SDCCH call drop ?
    what are the resons for that call drop?
    what is the difference between general call drop and sdcch call drop?
    how can i rectify that sdcch call drop?

    18th January 2010 at 09:37 #35782
    MAHENDRA
    Guest

    HI
    what is SDCCH call drop ?
    what are the resons for that call drop?
    what is the difference between general call drop and sdcch call drop?
    how can i rectify that sdcch call drop?

    20th January 2010 at 09:57 #35783
    JB
    Guest

    do you have any idea with SD drops in A interface?? SDDROPS_AiF

    I think SD drop on A interface is not calculated in the SD Drop formula.

    5th March 2010 at 09:44 #35784
    jack_ryan
    Guest

    HI JB
    If SD Drop A inf is not calculated in SDR formula, how could you discover this fault when you get KPI report?

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