Artifact Details

Title

American national standard for telecommunications - Integrated services digital network (ISDN) -

Catalog Number

102785132

Type

Text

Date

1992-09-01

Publisher

American National Standards Institute, Inc.

Identifying Numbers

Document number ANSI T.621-1992

Extent

29 p.

Description

User-to-user signaling supplementalry sevice

Category

Standards

Collection Title

Al Kossow collection

Credit

Gift of Al Kossow

Lot Number

X6512.2012