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Testapedia Glossary

ISDN (Integrated Services Digital Network)

Term
ISDN (Integrated Services Digital Network)

Abbreviation
ISDN

Definition
ISDN (Integrated Services Digital Network) is a set of communication standards for simultaneous digital transmission of voice, video, data, and other network services over the traditional circuits of the public switched telephone network that was first defined in 1988.

Taxonomy Associations

Fixed Networks

WAN

ISDN