Intellectual Property Rights
Foreword
1 Scope
2 References
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 Introduction
5 QoS Generic concepts
5.1 QoS and Network Performance
5.2 Performance objectives
5.3 End-to-end and bearer QoS
5.4 Guaranteed and relative QoS
6 QoS Framework Model
6.1 Framework Model
6.2 Application to QoS
7 NGN QoS Requirements
8 QoS Classes
8.1 ITU-T Recommendation Y.1541 QoS Classes
8.2 TS 123 107 QoS Classes
8.3 Mapping between ITU-T (Y.1541) and 3GPP (TS 123 107)
QoS Classes
9 Codecs
10 QoS Scenarios
10.1 Scenario 1 - Proxied QoS with policy-push
10.2 Scenario 2 - User-requested QoS with policy-push-pull
10.3 Scenario 3 - User-requested QoS with policy-pull
11 QoS Architecture Requirements
11.1 Architectural requirements
11.2 QoS architecture
12 QoS Signalling Requirements
12.1 QoS Signalling Requirements in Call/Connection
Control Reference Point
12.2 QoS Signalling Requirements in Network Control
Reference Point
12.3 QoS Signalling Requirements in Switch Control
Reference Point
Annex A (informative): List of Audio and Video Codecs for
conversational applications
A.1 Audio Narrow Band (300 Hz to 3 400 Hz)
A.2 Audio Wide Band (50 Hz to 7 000 Hz)
A.3 Audio Narrow and WideBand
A.4 Foreseen extensions of existing Codecs (new Annexes
under standardization in ITU-T)
A.5 Video
History