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First Telephone Invented
It transmitted sound over a wire.
He used a liquid telephone to transfer speech. (First call). He Was able to talk to others without leaving the room. -
Bell Telephone company
Alexander Graham Bell as electrican and Thomas Watson as superintendent. -
Telephone numbers were created
Telephone exchange was developed.
Telephone subscribers began to call by numbers rather than names. -
Automatic Telephone
Until now operators who were young men and women used to transfer calls within the exchange. This automatic telephone helped do away with operators and automatically connected calls, -
Wireless Telephone
Wireless communication is easier than non-wireless.
But it was only over a distance of 150 yards. -
First Transatlantic Telephone call
First call between New York City to London. -
The first push button phone
It was very easy to make phone calls by using this phone. Because you only had to use one hand! -
First telephone call made from a car
This was just the beginning of the wireless phone call history. -
The first international communications satellite.
The first active satelite for telephones was launched. It was called Echo1. And it orbited the Earth once every 157 hours. This was important because calls could now be made across oceans without depending on undersea cables. -
First 911 call
First 911 call is made in Haleyville, Alabama. The numbers 911 was chosen because they were easy to remember and did not include 3 digits already in use in a U.S or Canadian area code. -
First Mobile phone call
The first portable cellphone call is made by Martin Cooper of Motorola to his research rival at BELL LABS. Although mobile phones have been used in cars before this was the first one invented for portable use. -
Public tests of a new cellular Phone system
Public Tests of a new cellular phone system began in Chicago with more than 2000 trial custumers and mobile phone sets. -
100 million telephone subscribers
The number of cellular telephone subscribers in the U.S grows to 100 Million, similar growth occurs across the globe. Phones now are small enough to fit in the palm of your hand and is used not only fo calling but also to access the internet, play games, take photos and video and to message.
