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The First Touch Telephone
The first touch telephone was ivented by the AT&T services. This divice allowed the caller to dial the number on the box. The bell system was very intregued by this. I did not find the exact date this was released, only the year.
www.technovelgy.com -
First mobile telephone service
The bell labs had created the first mobile teleohone. The phone was later re-created by motorola. This was the invention that lead to the car radio.
www.aphelis.net
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first commercial
At the beginning of 1946( i couldnt find atual date) Bell finally came out with the first commercial for the phone. www.technovelgy.com -
transistor, and mobile numbering plan
At this time th transistor, a tiny, reliable electronic that you carried with you wherever you went. Also the north american numbering plan was made. The first three digits represent where the person is, the second represents where the closest central office was to them, and the last is the line number. -
Hush a Phone
This divice was created to make your conversations more private. You would simply take this piece, and connect it to the microphone. Then you put your mouth by the hole, so that people will have a less likely chance to hear your conversation. www.startribune.com -
AT&T model 500 Telephone
AT&T had created a phone with new features. The phone had a ringer, a handset rotary volume controll, and later a vaariety of colors. Again Bell was intregued. The phone company was haywire. www.aphelis.com -
Party lines
In 1950, almost 75% of phone calls became party lines. There were rare phone calls to one person.
www.timetoast.com -
Transcontinental Phone Calls
One day Bell dicided that people should be able to call family or friends that lived in a different country. Transcontinental calls were made for that reason. Because of this invention, there were now 180 million calls a day in the U.S. www.history.com
