(Global System for Mobile communications,
"ülemaailmne mobiilside süsteem")

olemus
mobiilse kõne- ja andmeside teenuste
teise põlve kärgtehnoloogia:
- loodud 1991. a.
- avatud
- digitaalne
- ülemaailmne faktiline standard

ülevaateid
http://cellphones.about.com/od/phoneglossary/g/gsm.htm

http://ecee.colorado.edu/~ecen4242/gsm/index.htm

https://en.wikipedia.org/wiki/GSM

standardid
http://www.etsi.org/index.php/technologies-clusters/technologies/mobile/gsm

http://onlinelibrary.wiley.com/doi/10.1002/0470841745.app1/pdf

http://www.telecomspace.com/gsm-specifications.html

turvalisus
http://resources.infosecinstitute.com/introduction-to-gsm-security/

http://web.itu.edu.tr/~korkusuza/Security%20in%20the%20GSM%20Network.pdf?kategori=php

http://www.rfwireless-world.com/Tutorials/gsm-security.html

http://www.gsm-security.net/gsm-security-standards.shtml