US PATENT SUBCLASS 370 / 904
.~.~.~ Integrated Services Digital Network (ISDN)

Current as of: June, 1999
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370 /   HD   MULTIPLEX COMMUNICATIONS

901  DF  WIDE AREA NETWORK {1}
902  DF  .~ Packet switching {1}
903  DF  .~.~ OSI Compliant Network {4}
904.~.~.~ Integrated Services Digital Network (ISDN)

DEFINITION

Classification: 370/904

Integrated Services Digital Network (ISDN):

(under subclass 903) Subject matter wherein the OSI compliant network complies with a set of communication standards for providing integrated voice and data services to users.

(1) Note. Broadband services are also provided for this set of standards.