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Bell Labs invented the (call handoff) system for (cellular mobile communication system)
Amos E. Joel, Jr. of Bell Labs invented the "call handoff" system for "cellular mobile communication system"
Telephones -
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Telephones
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AT&T submitted a proposal for cellular phone service
AT&T submitted a proposal for cellular phone service to the U.S. Federal Communications Commission (FCC).
Telephones -
Motorola
Motorola employee Martin Cooper placed the first hand-held cell phone call to Joel Engel, head of research at AT&T's Bell Labs, while talking on the first Motorola DynaTAC prototype. -
caller id
Kazuo Hashimoto invented Caller ID -
bell labs
Bell Labs launched a trial of the first commercial cellular network in Chicago using Advanced Mobile Phone System (AMPS).
Telephones -
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worlds first fully automatic mobile phone system
The world's first fully automatic mobile phone system NMT is started in Sweden and Norway.
Telephones -
British Telephone Sockets system created
BT introduces the British Telephone Sockets system.