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How do we connect GPRS(SGSN) with MSC

Viewing 9 posts - 1 through 9 (of 9 total)
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  • #40684 Reply
    Tarun
    Guest

    As the Gs interface between SGSN and MSC in a optional interface, but if we want to connect it then how can we do it. what are the steps for it?

    #40685 Reply
    Scot
    Guest

    Hi TARUN,

    It is nice to see your query on this important GPRS Things.

    GS implemented using SS7.

    Rgds

    #40686 Reply
    Oliver
    Guest

    Hi all:

    To implement Gb interface you have to do:

    Defining subsystems 192 (bssgs) in both elements.
    Defining GT analysis in both N.E. to exchange signalling messages
    Defining which LAC belong to which MSC in SGSN. This is mandatory for processing combined GPRS-GSM messages.

    BR

    #40687 Reply
    Scot
    Guest

    Hi Oliver,

    What s purpose of Gb and what protocal is used ?

    And same for Gs Also ?

    Rgds

    #40688 Reply
    Oliver
    Guest

    Gb is used to connect BSC to SGSN. Its purpose is to get acces to the GPRS network.

    #40689 Reply
    Scot
    Guest

    Hi Oliver,

    Between BSC and SGSN I beleive PCU will be there.

    Is this PCU is transparent like TRAU ?

    Gb-Which Protocal is used ?

    Rgds

    #40690 Reply
    amberish
    Guest

    hi scott,
    In gprs ,there is only two thing is mandotary to workout..
    1. gb link betwenn bsc and SGSN
    2. Gs link between msc and SGSN

    in gb link there is also Gd link we have to define which is for data part and there is one link which is for signalling between bsc and SGSN it is Gd link with Lapd protcol.and anothere thing is that for every bsc u have to give DLCI which is same at both end bsc and SGSN…and most important is on which timeslot u r defining gb link must be same at SGSN side.
    if more query then ask.

    #40691 Reply
    ASAD MAHMOOD KHAN
    Guest

    Hi u all,
    Gs importance is for location update basically it was totally optional.But to avoid double location update by mobile every time to the GPRS and MSC side Gs interface came in picture and now only one location update is sufficient and SGSN/GGSN and MSC take care about each other related related to update.

    Best Wishes

    #40692 Reply
    sameer
    Guest

    can sme 1 tell us the complete overview how gb link is established bet bsc nd sgsn

Viewing 9 posts - 1 through 9 (of 9 total)
Reply To: How do we connect GPRS(SGSN) with MSC
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