ITU-T - Q.921
ISDN User-Network Interface-Data Link Layer Specification - Digital Subscriber Signalling System No. 1
inactive
| Organization: | ITU-T |
| Publication Date: | 1 March 1993 |
| Status: | inactive |
| Page Count: | 171 |
Document History
June 1, 2000
ISDN user-network interface – Data link layer specification Amendment 1
A description is not available for this item.
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.
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.