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Thread: T305 & T308 Timers in Nokia Siemens

  1. #41
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    Default Re: T305 & T308 Timers in Nokia Siemens

    Hi,

    Kindly use attached ppt for T305 & T308 timer change analysis.
    Attached Files Attached Files

  2. #42
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    Default Re: T305 & T308 Timers in Nokia Siemens

    Only a doubt, the T200 timer should be set to a value less than the T305 and T308. But what part of the T200 should be greater than the T305 and T305 would be the SACCH, TCH?
    Another doubt in the case of the final value of the T200 timer must be done by multiplying the value by SDDCH n200?

    Thx a lot
    --------------------------------------------------------
    RF consultant

    Vamu que vamu

  3. #43
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    Default Re: T305 & T308 Timers in Nokia Siemens

    Air interface value should be higher than A-Interface which means T200 should be set to max.Only concern in NSN system is that the min value of T3109 is 8s which means that the equation will never allow Air interface to be higher than A-Interface.But in other systems like ALU,Huawei its posssible since min value of T3109 is 1s.Experts can please express their opinion if they differ from the above

  4. #44
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    Default Re: T305 & T308 Timers in Nokia Siemens

    parsarka in Siemens are possible to change t3109 to a value equal to equal to 1s
    --------------------------------------------------------
    RF consultant

    Vamu que vamu

  5. #45
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    Default Re: T305 & T308 Timers in Nokia Siemens

    Gentlemen, I would like to take a doubt. On my network changed the parameters T305 and T309 using the default value of Radio link. If I change the radio link to the maximum value using the values ​​of T305 and 309 would increase the number of drops?

    The default value of the counters in the MSC currently allows low drop call is performing the disconnection before the end of the MS T200 correct?
    --------------------------------------------------------
    RF consultant

    Vamu que vamu

  6. #46
    Junior Member Reputation: 12
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    Default Re: T305 & T308 Timers in Nokia Siemens

    Hello Mr,
    I don't see the ppt attachment.

  7. #47
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    Default Re: T305 & T308 Timers in Nokia Siemens

    Hello everybody,
    Yet, after reading the thread above is still not clear to me, how the decrease of those two timers would lead to the improvement of DCR.
    Also in 14.6 sw level I don’t see in CM or CMM units the entries ‘32 01 3D 00 B8 0B 00 00’ neither the ’ 32 01 3C 00 B8 0B 00 00’ for 5AC0018 file.
    Thank you

  8. #48
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    Default Re: T305 & T308 Timers in Nokia Siemens

    Quote Originally Posted by madeira View Post
    parsarka in Siemens are possible to change t3109 to a value equal to equal to 1s
    For NSN is it possible to change the value to 2 by any patch??

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