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What devices are used to prepare digital data for transmission over the public switched telephone network?
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How we are using a Public switched telephone networks to carry all your digital contents?
how we use Public switched telephone networks to carry all our digital contents
Describe the major components of a Public Switched Telephone Network?
Regional central offices connecting central offices from different regions Analog and digital connections
What is a set of standards for digital transmission of data over standard copper telephone lines?
The set of standards for digital transmission of data over standard copper telephone lines is ISDN
How is the data and information transimited over public telephone network?
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.
In computer language what is meant by ISDN?
Integrated Services Digital Network (Integrated Services Digital Network) An international standard for switched, digital dial-up telephone service for voice and data.
What is the type of telephone line that provides connection with transmission speeds in the range of 56kbps or 45 mbps or more?
56 kbps is ISDN (Integrated Services Digital Network), which uses a switched circuit to connect from point to point. 45 Mbps is probably DS3.
What is the difference between cellular telephones and cordless telephones?
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.
What is a digital telephone?
it is a telephone which is digital and it has a computer inside it
What converts analogue signals to digital signals for transmission over telephone lines?
Actually you have this backwards, the telephone lines can only carry analogue signals (voice band, 20Hz to 3KHz) not digital signals.The device that converts digital signals to analogue signals for transmission over telephone lines is called a phone MoDem(this stands for phone modulator demodulator). At the opposite end of the line it of course converts the telephone analogue signals back to digital signals.
Whatis the function of modem?
MOdulate/DEModulate. It converts digital computer signals into analog ones for transmission over analog telephone lines, and then converts the signal back into digital on the other end.
What is the stand for SDV?
Switched Digital Video
What is ISDN and What is it's necessity?
Integrated service Digital network. ISDN is a circuit-switched telephone network system, that also provides access to packet switched networks, designed to allow digital transmission of voice and data over ordinary telephone copper wires, resulting in better voice quality than an analog phone. It offers circuit-switched connections (for either voice or data), and packet-switched connections (for data), in increments of 64 kbit/s. Another major market application is Internet access, where ISDN typically provides a maximum of 128 kbit/s in both upstream and downstream directions (which can be considered to be broadband speed, since it exceeds the narrowband speeds of standard analog 56k telephone lines). ISDN B-channels can be bonded to achieve a greater data rate, typically 3 or 4 BRIs (6 to 8 64 kbit/s channels) are bonded.
