TS 122 401 : 8.0.0
Current
The latest, up-to-date edition.
DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+); UNIVERSAL MOBILE TELECOMMUNICATIONS SYSTEM (UMTS); TISPAN; VIDEOTELEPHONY OVER NGN SERVICE DESCRIPTION
Hardcopy , PDF
English
Intellectual Property Rights
Foreword
Foreword
Introduction
1 Scope
2 References
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 Service description
5 Procedures
5.1 General service requirements
5.2 Registration, provisioning, activation, invocation
and withdrawal
5.3 Charging and accounting
6 Quality of service requirements
6.1 General
6.2 Video quality
6.3 Audio quality
7 Interworking considerations
7.1 General
7.2 Interworking with emulation services
8 Interactions with PSTN/ISDN simulation services
8.1 General
8.2 Mandatory services
8.3 Recommended Services
8.4 Optional services
Annex A (informative): Guidelines
A.1 Terminal requirements
A.2 Change of communication mode
A.3 Use cases
Annex B (informative): Change history
History
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