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April 1, 2024
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Telephone timeline
Wurde erstellt
Faded
⟶ Wurde aktualisiert 3 Okt 2017 ⟶
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Ereignisse
alexander bell created the telephone
the Blake transmitter was made
desk telephones were invented
tampered shaft phone (looked like a oil can)
11 digit dial phone
first transcontinental call
first mainstay phone in 1930's
first hand set phone called the Model 102
first phone used by independent telephone companies
developed phone numbers
first long distance calling
first button phone
first portable cellphone call is made
first voice over
100 million cellphone subscribers
apple releases IPhone
80% of all lines are v0Ip
31% of all business's are VoiP lines
66% of business lines are VoiP