Wireless Oom » msin http://wireless.pyncus.com Build and Share wireless technology Wed, 01 Feb 2012 15:38:03 +0000 http://wordpress.org/?v=2.8.4 en hourly 1 What is IMSI? http://wireless.pyncus.com/2009/07/26/what-is-imsi/ http://wireless.pyncus.com/2009/07/26/what-is-imsi/#comments Sun, 26 Jul 2009 15:58:19 +0000 wirelessoom http://wirelessoom.wordpress.com/?p=382 The IMSI identifies the subscriber (USIM) within the network.

This is the permanent address stored in HLR.

IMSI =MCC (mobile country code) + MNC (mobile network code) + MSIN (mobile subscriber identification number)

15 bits

MCC + MNC is PLMN id.

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