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The history of mobile phones covers mobile communication devices that connect wirelessly to the public switched telephone network. While the transmission of speech by signal has a long history, the first devices that were wireless, mobile, and also capable of connecting to the standard telephone network are much more recent.
A mobile phone, or cell phone, [a] is ... History. From 1983 to 1998, Motorola was market leader in mobile phones. Nokia was the market leader in mobile phones from ...
1991: the GSM mobile phone network is started in Finland, with the first phone call in Tampere. [45] 1993: Telecom Relay Service available for the disabled; 1994: The IBM Simon becomes the first smartphone on the market. 1995: Caller ID implemented nationally in USA; 1999: creation of the Asterisk Private branch exchange
History of mobile phones; A. Advanced Mobile Phone System; E. Excel mobile phones; H. History of prepaid mobile phones This page was last edited on 30 March 2013, at ...
The history of mobile phones can be traced back to two-way radios permanently installed in vehicles such as taxicabs, police cruisers, railroad trains, and the like. Later versions such as the so-called transportables or "bag phones" were equipped with a cigarette-lighter plug so that they could also be carried, and thus could be used as either ...
On April 3, 1973, he placed the first public call from a handheld portable cell phone while working at Motorola, from a Manhattan sidewalk to his counterpart at competitor Bell Labs. [ 4 ] [ 5 ] Cooper reprised the first handheld cellular mobile phone (distinct from the car phone ) in 1973 and led the team that re-developed it and brought it to ...
As phone lines became more popular—between 1942 and 1962, the number of phones in the U.S. grew 230% to 76 million—telephone companies realized they would run out of phone numbers.
NMT was the first mobile phone network to feature international roaming. In 1983, the first 1G cellular network launched in the United States, which was Chicago-based Ameritech using the Motorola DynaTAC mobile phone. In the early to mid 1990s, 1G was superseded by newer 2G (second generation) cellular technologies such as GSM and cdmaOne.