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MAP, MAP v2 and MAP v3

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  • #58193 Reply
    Martin
    Guest

    Anyone knows the difference between MAP, MAPv2 and MAPv3?
    I know MAP is used for Roaming subscriber data queries for inter VLR signalling (MPLMN / VPLMN), and MSC – HLR etc.. But i wonder what the difference between them?

    #58194 Reply
    Mik
    Guest

    Hello!

    Differences are in the supported AC (application contexts), behaviour in error situations, interaction with SCCP level (XUDT supported or not) etc. You can find lot of info here “3GPP TS 29.002 Mobile Application Part (MAP) specification”.

    #58195 Reply
    Pan
    Guest

    Hi, Martin and Mik! Additionally to Mik:
    1)MAP version (or more exactly Application Context version) is defined for separate MAP procedure (e.g. Update_Location, Purge_MS, MT_Forward_SM) – not for overall MAP release.
    2) SCCP segmentation (XUDT) is defined for overall MAP release and not recomended for high priority message and inter-PLMN message. There is no evident correlation between AC version and SCCP segmentation using. SCCP segmentation may be used for all AC versions of some procedures according 29.002.
    3)Telecommunication network is evolved and the MAP is evolved together with it. The reasons for AC version change are: addition of new parameters in message, new cause values; unconfirmed procedure became confirmed (for example Alert_SC v1 is unconfirmed, but Alert_SC v2 is confirmed) etc.

Viewing 3 posts - 1 through 3 (of 3 total)
Reply To: MAP, MAP v2 and MAP v3
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