Die A-Serie organisiert die Arbeit der ITU-T.
A.1
Work methods for study groups of the ITU Telecommunication Standardization Sector (ITU-T)
A.2
Presentation of contributions relative to the study of Questions assigned to the ITU-T
A.3
[Withdrawn] Elaboration and presentation of texts and development of terminology and other means of expression for Recommendations of the ITU Telecommunication Standardization Sector
A.4
Communication process between ITU-T and forums and consortia
A.5
Generic procedures for including references to documents of other organizations in ITU-T Recommendations
A.6
Cooperation and exchange of information between ITU-T and national and regional standards development organizations
A.7
Focus groups: Working methods and procedures
A.8
Alternative approval process for new and revised Recommendations
A.9
Working procedures for the Special Study Group on IMT-2000 and Beyond
A.11
Publication of ITU-T Recommendations and WTSA proceedings
A.12
Identification and layout of ITU-T Recommendations
A.13
Supplements to ITU-T Recommendations
A.23
Collaboration with the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC) on information technology
A.30
[Withdrawn] Major degradation or disruption of service
Supplements
A.Sup1
[Withdrawn] Guidelines on quality aspects of protocol related Recommendations
A.Sup2
Guidelines on interoperability experiments
A.Sup3
IETF and ITU-T collaboration guidelines
