Intro to gsm

GSM Security Overview (Part 1) Wireless telephone history

It all started like this ,[object Object],[object Object],[object Object]

Going further ,[object Object],[object Object],[object Object],[object Object]

But what’s cellular? HLR, VLR, AC, EIR MSC PSTN BS

Cellular principles ,[object Object],[object Object],[object Object],[object Object],[object Object]

Generation Gap ,[object Object],[object Object],[object Object],[object Object]

Generation Gap(2) ,[object Object],[object Object],[object Object],[object Object],[object Object]

TDMA ,[object Object],[object Object],[object Object],[object Object]

CDMA ,[object Object],[object Object],[object Object]

Back to Generations ,[object Object],[object Object],[object Object],[object Object]

The future is now ,[object Object],[object Object],[object Object],[object Object],[object Object]

GSM ,[object Object],[object Object],[object Object],[object Object],[object Object]

Into the architecture ,[object Object],[object Object],[object Object]

Into the architecture(2) ,[object Object],[object Object]

Into the architecture(3) ,[object Object],[object Object],[object Object],[object Object]

Into the architecture(4) ,[object Object],[object Object],[object Object],[object Object]

More GSM ,[object Object],[object Object],[object Object]

Sharing ,[object Object],[object Object],[object Object]

Channels ,[object Object],[object Object],[object Object]

Channels(2) ,[object Object],[object Object]

SS7 ,[object Object],[object Object],[object Object],[object Object]

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