tag:blogger.com,1999:blog-67261531182629258842024-10-06T23:49:27.668-07:00GSM (Global System for Mobile Communications, originally Groupe Spécial Mobile), is a standard set developed by the European Telecommunications Standards Institute (ETSI) to describe technologies for second generation (2G) digital cellular networks.Mustafa Noyonhttp://www.blogger.com/profile/12922671970776186919noreply@blogger.comBlogger0125