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ITU-T - Q.921

ISDN User-Network Interface - Data Link Layer Specification - Digital Subscriber Signalling System No.1 (DSS 1), Data Link Layer (Study Group XI) 123 pp

inactive
Organization: ITU-T
Publication Date: 1 January 1989
Status: inactive
Page Count: 123

Document History

ITU-T Q.921
June 1, 2000
ISDN user-network interface – Data link layer specification Amendment 1
A description is not available for this item.
ITU-T Q.921
September 1, 1997
ISDN user-network interface – Data link layer specification
A description is not available for this item.
Q.921
March 1, 1993
ISDN User-Network Interface-Data Link Layer Specification - Digital Subscriber Signalling System No. 1
A description is not available for this item.
Q.921
January 1, 1989
ISDN User-Network Interface - Data Link Layer Specification - Digital Subscriber Signalling System No.1 (DSS 1), Data Link Layer (Study Group XI) 123 pp
A description is not available for this item.
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