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

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

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

https://www.slideshare.net/dheerajraja/gsm-presentation-14598080

https://www.slideshare.net/MuhammadUzairRasheed/gsm-global-system-for-mobile-communication

https://www.slideshare.net/agrimakothari/gsm-arhitecture

https://www.slideshare.net/Avanitrambadiya/gsm-technology-38907508

https://www.tutorialspoint.com/gsm/gsm_overview.htm

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

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

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

https://www.tutorialspoint.com/gsm/gsm_specification.htm

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

turvalisus
https://www.slideshare.net/RKUnited/gsm-security-and-encryption-16723070

https://www.tutorialspoint.com/gsm/gsm_security.htm

https://www.sans.org/reading-room/whitepapers/telephone/gsm-standard-an-overview-security-317

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