Saturday, July 2, 2011
GSM technology celebrates 20 years of calls - happy birthday!
GSM technology celebrates 20 years of calls - happy birthday!: "Happy birthday to GSM - the first GSM call on a commercial network was placed on 1 July, 1991. And here we are, 20 years later when GSM is the predominant technology for cell phones, a proud grand...
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment