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http://wiki.answers.com/Q/How_is_the_data_and_imformation_transimited_over_public_telephone_network,public switched telephone networks and intergrated service digital networks.
Integrated Services Digital Network (Integrated Services Digital Network) An international standard for switched, digital dial-up telephone service for voice and data.
ISDN
System administrator's intergrated network tool
It means that the network card is embedded into the device. In other words, it is not removable.
Public Switched Telephone NetworkPublic Switched Telephone NetworkPublic Switched Telephone NetworkPublic Switched Telephone Network
The first circuit-switched network was the telephone system.
Switched Digital Video
Cellular Telephones is using the Integrated Services Digital Network ISDN while the Cordless Telephone is using the Public Switched Telephone Network PSTN, same with ordinary telephone.
how we use Public switched telephone networks to carry all our digital contents
Is a piece of circuit - switched network equipment used in telecommunications network.
Digital Divide Network was created in 1999.