ITU-T - Q.551
Transmission Characteristics of Digital Exchanges - Digital Local, Transit, Combined and International Exchanges in Integrated Digital Networks and Mixed Analogue-Digital Networks - Supplements (Study Group XI) 14 pp
inactive
Organization: | ITU-T |
Publication Date: | 1 January 1989 |
Status: | inactive |
Page Count: | 14 |
Document History
January 1, 2002
Transmission Characteristics of Digital Exchanges
A description is not available for this item.
November 1, 1996
Transmission Characteristics of Digital Exchanges - Series Q: Switching and Signalling Digital Exchanges - Transmission Characteristics
A description is not available for this item.
January 1, 1994
Transmission Characteristics of Digital Exchanges - Digital Exchanges
A description is not available for this item.
Q.551
January 1, 1989
Transmission Characteristics of Digital Exchanges - Digital Local, Transit, Combined and International Exchanges in Integrated Digital Networks and Mixed Analogue-Digital Networks - Supplements (Study Group XI) 14 pp
A description is not available for this item.