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| IT Management > Systems Operations > Networking > Switching > WAN Switching > Circuit Switching > |
ISDN
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ALSO CALLED: Integrated Services Digital Networks and Integrated Services Digital Network Services
DEFINITION: ISDN (Integrated Services Digital Network) is a set of CCITT/ITU standards for digital transmission over ordinary telephone copper wire as well as over other media. Home and business users who install an ISDN adapter (in place of a telephone modem) receive Web
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ISDN DEFINITION (continued): … pages at up to 128 Kbps compared with the maximum 56 Kbps rate of a modem connection. ISDN requires adapters at both ends of the transmission so your access provider also needs an ISDN adapter. ISDN is generally available from your phone company in most urban areas in the United States and Europe. In many areas where DSL and cable modem service are now offered, ISDN is no longer as popular an option as it was formerly. There are two levels of service: …
ISDN definition sponsored by SearchNetworking.com, powered by WhatIs.com an online computer dictionary
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