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SS7 Signalling Dimensioning

Viewing 15 posts - 46 through 60 (of 77 total)
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  • Author
    Posts
  • 18th April 2008 at 09:21 #37085
    kaka
    Guest

    Hi all, please can someone help me about the dimensioning of SIGTRAN (SS7 over IP)

    25th June 2008 at 08:29 #37086
    emma
    Guest

    Given the details below for an SSP

    Load B / Load A ratio taken into account for the SSP 1.2

    Number of BHCA 1,358,400

    Average SSP CPU load 21.9%

    how do i compute
    1. SSP dynamic residual capacity?
    2. SSP dynamic capacity (number of BHCA) ?

    20th July 2008 at 06:46 #37087
    prabhu
    Guest

    could anyone of you tell me how to choose LSL or HSL in E-1 links.
    whats the factors decides the usage of these links.

    6th August 2008 at 12:07 #37088
    Sameer
    Guest

    Check this

     Signaling Speed of link =64000 Bits/sec
     Received octets =4946580
     Transmitted octets = 5462215
     Which ever is higher (transmitted or received ) will be consideration for calculation

     SS7 Traffic in the busy hour = 5462215 octets/hour
     SS7 Traffic in seconds =5462215/3600=1517.28 octets/second
     SS7 Traffic in terms of Erlang =1517*8/64000 =0.189 Erlangs
     Utilization =0.189/0.4*100=47.25

    27th August 2008 at 10:29 #37089
    DuplexcomCEO
    Guest

    Hello Prabhu,
    The link that has more signalling traffic can be recomended with HSL. Links between HLR – MSC/VLR normally use HSL. Other low requirement links can have LSL. With HSL bw HLR-MSC location update and call flow would be fast.

    29th December 2008 at 06:05 #37090
    Ram
    Guest

    Hi Sameer,

    can you tell me how to calculate the link utilization for Hight speed link pl?What is the bandwidth for HSL?

    Thanks

    14th April 2009 at 19:42 #37091
    Rauf
    Guest

    Hi Sameer,
    The formula you used above, SS7 traffic in erlangs is divided by 0.4 (I assume it is used as maximum erlang capacity) Is it fixed or it is variable based on different scenario, I just received SS7 traffic plan from one Vendor and they have used this factor as 0.6.

    18th April 2009 at 13:38 #37092
    S.Tripathy
    Guest

    Why Stand-alone STP is required in a telecom network

    1st June 2009 at 18:09 #37093
    Spontex
    Guest

    I assume that if you have to do the same exercise using T1 instead of E1 then you use

    56 kbits/sec
    instead of 64 kbits/sec

    3rd June 2009 at 06:12 #37094
    benha
    Guest

    hii friends

    can anyone tell me in the PSTN network how can i make a restriction when anyone want to use our switch as stp….i don’t like to configure our switch as SEP…only who has a permision can use our switch as stp

    thank you

    19th June 2009 at 11:39 #37095
    Kaushik Padia
    Guest

    Please give me any information about POI(Point of interconnect)

    2nd July 2009 at 09:23 #37096
    tariq
    Guest

    please for the

     Signaling Speed of link =64000 Bits/sec
     Received octets =4946580
     Transmitted octets = 5462215
     Which ever is higher (transmitted or received ) will be consideration for calculation

    is this according to ITU-T

    24th August 2009 at 11:44 #37097
    Ruben
    Guest

    Hi all,
    I got stuck a little with CAS.
    The timeslot 16 Only controls 2 voice channels in CAS?
    So that it means that in CAS 1 signaling link controls only 2 voice chanels, while in SS7 1 signaling link controls about 1000 voice channels…is that true?
    thanbks!!!

    30th August 2009 at 08:48 #37098
    Arvin
    Guest

    Hello Ruben,

    Regarding your query,When using a CAS signalling which belongs to SS7 also, channelling is associated ,I mean CH 16 is fixed as a signalling but it can carry more than 2 traffic channels not only 2 CH within E1 connection ,unlike SS7 that uses common Signal (CSC),which differs from CAS ,a signal link can be assign any of the channels in E1 or a T1 connections but on some sort their signalling channel can be use as traffic channel.

    31st August 2009 at 10:46 #37099
    Innova
    Guest

    E1 CAS can manage 30 channel of voice signaling because there are only 30 channels left on E1.

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