-
AT&T starts with the invention of the telephone by Bell, it was the main company of the Bell system, it was considered the best telephone service in the world. http://www.corp.att.com/history/history1.html
-
Alexander Graham Bell created the first Telephone which aided communication. It was made up of wood, iron, brass and mica
http://www.pbs.org/transistor/album1/addlbios/bellag.html
http://www.americaslibrary.gov/jb/recon/jb_recon_telephone_1.html
http://americanhistory.si.edu/collections/search/object/nmah_704159 -
Phone technologies improved rapidly with the following the introduction of Alexander's invention of the telephone. Due to the technological advancements they were able to communicate over larger distances. Coils were used to reduce static. https://www.reference.com/technology/telephones-changed-over-years-9a0dcac07720a8e8
-
Bell and Watson's first call in 1876 was private, but this conference was made public. this showed a big technological advancement for phones, it was the first transcontinental call that was made. http://www.computerworld.com/article/2874390/this-1915-conference-call-made-history.html
-
They could be controlled by users unlike the phones before, if a user wanted to make a phone call they had to tell the operator who they wanted to talk to. with the creation of the rotary phone it made communication much easier. A normal ro
-
A ringer and a handset combined into one, also included was the famous rotary dial phone. It came in various colours. http://www.frillfreephones.com/500phhi.html
-
In a test in EngleWood, New Jersey. People were now able to make long distance calls
-
The touch-tone telephone was introduced, available first in Pennsylvania, for an extra charge. The Western Electric 1500 model features 10 push buttons that replace the standard rotary dial. A 12-button model featuring the * and # keys comes out soon afterward and replaces the 10-button model. http://www.edn.com/electronics-blogs/edn-moments/4424443/Tone-dialing-telephones-are-introduced--November-18--1963
-
The first portable cell phone call is made by Martin Cooper of Motorola . Although mobile phones had been used in cars since the mid-1940s, Cooper’s was the first one invented for truly portable use. He and his team are awarded a patent in 1975. http://www.knowyourmobile.com/nokia/nokia-3310/19848/history-mobile-phones-1973-2008-handsets-made-it-all-happen
-
the number of cell phone user increased. New models of phones emerged like the Ericsson R380, Nokia 3310 http://www.webdesignerdepot.com/2009/05/the-evolution-of-cell-phone-design-between-1983-2009/
-
Phone began to have colour screens and they were now able to make calls over long distances, they were portable easy to carry. They came in different shapes and sizes and the battery life of the phones continued to improve. http://www.webdesignerdepot.com/2009/05/the-evolution-of-cell-phone-design-between-1983-2009/
