history of the telephone
Home > Preview
The flashcards below were created by user
on FreezingBlue Flashcards.
Who is first to transmit telephone msg?
- Alexander Graham in 1876
- same year Edison files patent for "acoustic telegraph"
1920 reelected single phone system commonly known as
3 traditional powers left in regions
century link, at&t, verison
Telephone company types (3)
- International Record Carriers (IRCs)
- Interexchange Carriers (IXCs)
- Local Exhange Carrieres (LEC)
Interexchange Carriers (IXCs)
Long distance calls between diff domestic codes
International Record Carriers (IRCs)
Manage long distance calls between countries
Local Exchange Carriers (LECs)
Manage calls within 1 area code
- (Voice over Internet Protocol)
- telephone communication over data networks'
- high speed internet and adapter needed
- changed business world
What would you like to do?
Home > Flashcards > Print Preview