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ITU-T Q.551

Transmission Characteristics of Digital Exchanges

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Organization: ITU-T
Publication Date: 1 January 2002
Status: active
Page Count: 36

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.

References

This document is referenced by:
ITU-T G.813 - Timing characteristics of SDH equipment slave clocks (SEC) Corrigendum 2
Published by ITU-T on November 1, 2016
A description is not available for this item.
This document is referenced by:
TS 143 050 - Digital cellular telecommunications system (Phase 2+) (GSM); Transmission planning aspects of the speech service in the GSM Public Land Mobile Network (PLMN) system
Published by ETSI on May 1, 2022
The present document describes the transmission planning aspects pertaining to the speech service in the GSM PLMN system. Due to technical and economic factors, there cannot be full compliance with...
This document is referenced by:
TS 143 005 - Digital cellular telecommunications system (Phase 2+) (GSM); Technical performance objectives
Published by ETSI on April 1, 2022
The present document contains technical performance objectives that should be met for the fixed infrastructure of GSM PLMNs. Concerning transmission delay for the PLMN in clause 4, the requirements...
This document is referenced by:
ITU-T H.248.17 - Gateway control protocol: Line test packages SERIES H: AUDIOVISUAL AND MULTIMEDIA SYSTEMS Infrastructure of audiovisual services – Communication procedures
Published by ITU-T on November 1, 2002
This Recommendation describes line test components and how they are used to complete line tests. The definition of line test components, rather than of complete line tests, allows the media gateway...
This document is referenced by:
ES 202 020 - Speech Processing, Transmission and Quality Aspects (STQ); Harmonized Pan-European/North-American approach to loss and level planning for voice gateways to IP based networks
Published by ETSI on June 1, 2007
A description is not available for this item.
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