did voip


did voip
When did the landline telephone and VoIP appear?


Can anyone tell me the time that the first landline telephone and VoIP appeared?

1875 telephone invented

1877 first long distance lines installed

1915 first coast to coast long distance call

1947 plan devised for cellular telephones

1951 first transcontenental direct dial long distance call

1973 first cellular telephone call

1979 first commercial cell phone service (in tokyo)

1984 first cell phones commercially available motorola dynatac 8000x

1991 2G cellular GSM technology launched

1995 first commercial internet phone software released

1997 first soft switch

1999 SIP created

1999 3g cellular launched


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PowerNet Global adds Inbound SIP DIDs to call center solutions suite.(NEW PRODUCTS): An article from: VoIP Monthly (Voice over Internet Protocol)

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This digital document is an article from VoIP Monthly (Voice over Internet Protocol), published by Information Gatekeepers, Inc. on January 1, 2012. The length of the article is 354 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available immediately after purchase. You can view it with any web browser.Citation DetailsTitle: P…
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