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ITU-T - Q.551

Transmission Characteristics of Digital Exchanges - Digital Exchanges

inactive
Organization: ITU-T
Publication Date: 1 January 1994
Status: inactive
Page Count: 32

Document History

ITU-T Q.551
January 1, 2002
Transmission Characteristics of Digital Exchanges
A description is not available for this item.
ITU-T Q.551
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.
Q.551
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.
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