Committed to connecting the world


ITU Publications : Standardization (ITU-T)

 Individual ITU-T Recommendations

A  Organization of the work of ITU-T
B  Means of expression: definitions, symbols, classification
C  General telecommunication statistics
D  General tariff principles
E  Overall network operation, telephone service, service operation and human factors
F  Non-telephone telecommunication services
G  Transmission systems and media, digital systems and networks
H  Audiovisual and multimedia systems
I  Integrated services digital network
J  Cable networks and transmission of television, sound programme and other multimedia signals
K  Protection against interference
L  Construction, installation and protection of cables and other elements of outside plant
M  TMN and network maintenance: international transmission systems, telephone circuits, telegraphy, facsimile and leased circuits


N  Maintenance: international sound programme and television transmission circuits
O  Specifications of measuring equipment
P  Terminals and subjective and objective assessment methods
Q  Switching and signalling
R  Telegraph transmission
S  Telegraph services terminal equipment
T  Terminals for telematic services
U  Telegraph switching
V  Data communication over the telephone network
X  Data networks and open system communications
Y  Global information infrastructure and Internet protocol aspects
Z  Languages and general software aspects for telecommunication systems


 Other ITU Publications from the Telecommunication Standardization Sector (ITU-T)


Proceedings of the World Telecommunication Standardization Assembly
Hammamet, 2016   Publication Notice with Order Form

The Proceedings contain Resolutions (Rules of Procedure of ITU-T; study group responsibility and mandates; publication of ITU-T Recommendations and WTSA proceedings, etc.), ITU-T A-series Recommendations (Organization of the work of ITU-T), study groups and other groups, the list of questions for the study period 2017-2020 and reports as approved by WTSA-2016.
Available inCD/DVD   paper   electronic file
Other editions:   Dubai, 2012   Johannesburg, 2008   Florianópolis, 2004  
Collection of ITU-T Recommendations and selected Handbooks
2020   Publication Notice with Order Form

This USB key provides vastly improved search tools, including a detailed search-by-content that covers all ITU-T Recommendations in force. Recommendations not yet available in their final edited format are included in their provisional pre-published form. A wide range of electronic attachments are also included and or referenced for direct download from the ITU website. The USB key also includes a searchable collection of selected Handbooks developed by the ITU Telecommunication Sector in fields such as mitigation measures for telecommunication installations and their protection against electromagnetic effects, formal languages, outside plant, network security, quality of service and network planning. This quarterly USB key is available either individually or through a yearly subscription that covers four editions at a discounted rate.
Available inusb key
Other editions:   2019  
Proceedings of ITU Kaleidoscope Academic Conferences

These Proceedings contain all the papers accepted for the conference ITU Kaleidoscope 2019: " ICT for Health: Networks, standards and innovation" - Atlanta, Georgia, United States, 4-6 December 2019. 20 papers were selected by the Kaleidoscope 2019 Technical Programme Committee on the basis of double-blind reviews, with the help of over 70 subject matter experts from leading academic and research institutions worldwide. The selected papers address ICTs' contribution to innovation in healthcare delivery and medicine. In particular, they highlight the role played by communication networks and international standards in achieving affordable access to healthcare for everyone, everywhere.
Available inelectronic file
Other editions:   2020   2018   2017   2016   2015   2014   2013   2011   2010   2009   2008  
AI for Good

Available inelectronic file
Florianópolis, 2004  

Book 2 contains the reports of the Assembly, the list of participants and the list of documents.
Available inpaper   electronic file