EG 201 474 : 1.1.1
Current
The latest, up-to-date edition.
Hardcopy , PDF
English
Intellectual Property Rights
Foreword
Introduction
1 Scope
2 References
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 Background
5 General
5.1 Factors affecting speech transmission quality
5.2 Assessment of speech transmission quality
5.3 Control of speech transmission quality
5.4 Voice band traffic
5.5 Automatic speech transmission quality system
5.6 Transmission impairment
6 Signalling requirements to support end-to-end speech
transmission quality
6.1 Network configuration
6.2 Use of VQoS information
6.3 Speech transmission quality categories
6.4 User strategies and issues
6.5 Signalling parameters
6.6 Interim issues
Annex A (informative): Transmission impairment
A.1 Transmission impairment types
Annex B (informative): Speech transmission quality ratings
Annex C (informative): Example ANF service description
C.1 Scope
C.2 References
C.3 Definitions and abbreviations
C.4 Specification of the ANF
Annex D (informative): QoS - IP performance vs. Speech Quality
D.1 Introduction
D.2 PDV effect on Speech Quality
D.3 Conclusion
History
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