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Reply To: Common ID message

#69519
pix
Guest

hi jason,

unfortunately, your answer is probably not correct : all security checks are perform by the core network only (HLR/EIC)

The BSC has one reason to need the IMSI : it’s to be able to perform the Paging Coordination.

There might be other reason, but i cant find any. So I suspect that this sending of the IMSI is rather recent in networks (let’s say 4 or 5 yrs)

Regards,
pix