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