Telephone timeline
Category: Altro
è stato aggiornato: 3 ott 2017
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Created byFaded
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alexander bell created the telephonethe Blake transmitter was madedesk telephones were inventedtampered shaft phone (looked like a oil can)11 digit dial phonefirst transcontinental callfirst mainstay phone in 1930'sfirst hand set phone called the Model 102first phone used by independent telephone companiesdeveloped phone numbersfirst long distance callingfirst button phonefirst portable cellphone call is madefirst voice over100 million cellphone subscribersapple releases IPhone80% of all lines are v0Ip31% of all business's are VoiP lines66% of business lines are VoiP
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