The History of the Telephone

Alexander Graham Bell invents the first telephone

1876

The workable exchange was developed

1879

This allowed for calls to be switched between subscribers rather than direct lines

First automatic dialing system invented by a Kansas city undertaker

1891

used to avoid the use of operators

The first version of the rotary phone

1925

Microwave radio technology used for the first time

1947

promotes long distance phone calls

The development of fibre optic cables

1980

offered potential to carry much larger volumes of calls than satellites and microwaves

First mobile telephone

1980

first flip phone

1989

first phone with a built in camera

2000

first cellphone with a color screen

2002

first apple iphone

2007

iphone XS Max

2019