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Active modem

Dial-up Internet access is a form of Internet access that uses the facilities of the public switched telephone network (PSTN) to establish a connection to an Internet service provider (ISP) by dialing a telephone number on a conventional telephone line. The user's computer or router uses an attached modem to encode and decode information into and from audio frequency signals, respectively. Despite the proliferation of high-speed Internet access (broadband), dial-up Internet access may be used where other forms are not available or the cost is too high, such as in some rural or remote areas.

Dial-up Internet has been around since the 1980s via public providers such as NSFNET-linked universities and was first offered commercially in July 1992 by Sprint.<ref>http://h-net.msu.edu/cgi-bin/logbrowse.pl?trx=vx&list=edtech&month=9207&week=&msg=An61j4s0%2BR1UHNuEZOgGfw&user=&pw=</ref>


Dial-up Internet access sections
Intro  Availability  Replacement by Broadband  Performance  References  

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Active modem

Dial-up Internet access is a form of Internet access that uses the facilities of the public switched telephone network (PSTN) to establish a connection to an Internet service provider (ISP) by dialing a telephone number on a conventional telephone line. The user's computer or router uses an attached modem to encode and decode information into and from audio frequency signals, respectively. Despite the proliferation of high-speed Internet access (broadband), dial-up Internet access may be used where other forms are not available or the cost is too high, such as in some rural or remote areas.

Dial-up Internet has been around since the 1980s via public providers such as NSFNET-linked universities and was first offered commercially in July 1992 by Sprint.<ref>http://h-net.msu.edu/cgi-bin/logbrowse.pl?trx=vx&list=edtech&month=9207&week=&msg=An61j4s0%2BR1UHNuEZOgGfw&user=&pw=</ref>


Dial-up Internet access sections
Intro  Availability  Replacement by Broadband  Performance  References  

PREVIOUS: IntroNEXT: Availability
<<>>