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SS7 Signalling Dimensioning

Viewing 15 posts - 16 through 30 (of 77 total)
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  • 20th September 2004 at 16:46 #37055
    Hari
    Guest

    Hello Pankaj,

    Could you please explain me the following:

    “If you are using the SS7 links for ISUP, a general rule of thumb is to have 40E1s, per pair of SS7 links.”

    it will be of great F1.

    -Thanks
    Hari

    22nd September 2004 at 08:43 #37056
    Peter
    Guest

    Hi all,

    I have Erlang table. With this table is possible calculate number of trunk.
    Regards
    Peter

    22nd September 2004 at 13:01 #37057
    S.Vijay
    Guest

    Hi Peter,

    I have ERLANG TABLE but it is normal one.

    If you have some extra features with ERLANG Table ..then send me a copy to scorplund1976@yahoo.com

    Rgds

    29th September 2004 at 21:51 #37058
    Ajay
    Guest

    A single ss7 link can handle how many E1 links,with ISUP an ISUP call is usally made up to five messages of 40Bytes each on average.
    will you plz tell me the exact figure.

    30th September 2004 at 21:35 #37059
    S.Vijay
    Guest

    Hi AJay,

    Can you send me a email to my email id given below.

    I want to discuss deeply about hoe you calculate the ISUP-Bytes PerMessage ?

    Using ANALYZER ?

    Rgds

    1st October 2004 at 09:38 #37060
    venkat
    Guest

    i am trying to develop application in java to interact with ericsson axe10. any one with specific information on connectivity would be appreciated.

    2nd October 2004 at 11:45 #37061
    Ajay
    Guest

    Hi vijay,

    its doubt full i am also trying to findout.

    3rd October 2004 at 17:29 #37062
    Ajay
    Guest

    I got one answer from my friend that one ss7 link using ISUP can handle 960 voice channels = 32e1 links.
    but how i don’t know.

    if anybody have answer plz contact me at m22ajay@yahoo.co.in.

    7th October 2004 at 11:50 #37063
    Aruna
    Guest

    Hello All,
    Can anyone please suggest any freeware or trial tool for traffic management.
    Thanks
    Aruna

    11th October 2004 at 07:53 #37064
    kartik
    Guest

    hi all !

    can any body give the docs for the ISUP and BSSAP?

    mail id: suthar.kartik@adacellworks.com

    thanks

    19th October 2004 at 07:55 #37065
    nikunj
    Guest

    why there is 7 in “SS7”. i mean what is the significant of this number seven here?

    26th October 2004 at 11:57 #37066
    Peter
    Guest

    ITU (previous CCIT) had defined a few signalling systems (Nr. 5,6 etc.) Last version of signalling-SS7 had number in orded 7.
    I think it is meaning of number 7 in own name SS7.

    22nd November 2004 at 17:26 #37067
    Chuck
    Guest

    Hi all,

    can someone help me figure out how to calculate the number of ss7 links required per BHCA at the A-interface(MSC-BSC) and the c-interface (MSC-STP)?Thanks!

    5th January 2005 at 23:54 #37068
    albino
    Guest

    1. SS7 Link (64k) Load calcualtion
    ———————————-
    MSU = 0-272 Octets
    IAM = 100 Octets max.
    ————————–

    56,000bits/sec.
    40% load on one link
    22,400 bits/sec
    8 bits/octet
    2,800octet/sec
    3,600sec/hour
    10,080000 octets/hour (load/link
    ———————————-
    20,160,000 octets/hour (load/2link
    100 IAM (octets)
    201,600 IAM/Hour (/2links)

    To be engineered for :
    ————————–
    max. 0.4 Erl. /link (40%load)
    up to 0.8Erl. in case of failure

    2.VoiceTrunk(64k)Load Calculation
    ———————————
    17,231 trunks (ds-o) …. ex.
    70% usage
    12,062 trunk usage
    3,600 call sec.
    43,422,120 call sec/h
    200 average holding time
    217,111 total attemps/h
    72 octets/attemp
    15,631,963 octets/h (sig.load ds0)
    100 IAM (octets)
    156,320 IAM/h(generated by a ds0)

    64k 64k

    SSP ——— STP ———- SSP
    | link link |
    ——————————
    voice trunks ( x DS0)

    6th January 2005 at 06:37 #37069
    mohsin
    Guest

    hi Albino

    I have a questions regarding your SS7 calculation.

    1. How octet in IAM messages counted?
    2.Why only IAM, not till RLC?
    3.you used 64Kbps as reference, but in culcation you used 56000 b/s?

    rgds

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