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global variants
A global title (GT) is an address used in the SCCP protocol for routing signaling messages on telecommunications networks. In theory, a global title is a unique address which refers to only one destination, though in practice destinations can change over time.
MG4 variants past and present. Updated January 2026.
E&OE. I.e. if you find an error and you're an Established member, please feel free to edit this post to fix it.
TerritoryModel / grade (battery)Launch (year)Update (year - change)Current (as of Jan 2026)
United KingdomSE Standard Range...
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