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 Standardization (ITU-T)

The ITU is the leading publisher of telecommunication technology, regulatory and standard information. Over 4'500 titles in printed form and growing  number on CD-ROM, DVD and Online.


Telecommunication Standardization Sector (ITU-T)

The main products of ITU-T are the Recommendations. At present, more than 3,000 Recommendations (Standards) are in force. Recommendations are standards that define how telecommunication networks operate and interwork. ITU-T Recommendations are non-binding, however they are generally complied with due to their high quality and because they guarantee the interconnectivity of networks and enable telecommunication services to be provided on a worldwide scale. Available individually, as a collection on DVD or with a 12 month-access Online subscription

ITU-T Web Home Page


 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 Telephone transmission quality, telephone installations, local line networks
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 Telecommunication Standardization Sector (ITU-T) (Click here for complete list)

World Telecommunication Standardization Assembly Proceedings
Johannesburg, 2008   Publication Notice with Order Form

WTSA proceedings contain Resolutions adopted by the assembly, Recommendations on the organization of the work of ITU T (A-series), the list of the study groups, the advisory group and any other groups established or maintained by the assembly, with their titles and general areas of work, the titles of the Questions (continuing or newly approved for study) and their allocation, and the reports of the committees of the assembly.
Available inCD/DVD   paper   electronic file
Other editions:   Montreal, 2000   Florianópolis, 2004  
 
Montreal, 2000  

Book 2 contains the minutes and summary records of the meetings, the reports of the Conference Committees, the list of participants and the list of documents.
Available inpaper   electronic file
Other editions:   Florianópolis, 2004  
 
Mitigation measures for telecommunication installations
2004   Publication Notice with Order Form

This handbook describes case studies, supplied by ITU-T Study Group 5 members, of electromagnetic compatibility (EMC) interference problems that have affected telecommunication systems related to emission and immunity, overvoltage and overcurrent and the solutions to such problems. This handbook also indicates typical sources of interference as well as the solutions that can be used to restore correct service to the system or to avoid any such problems before they manifest themselves.
Whilst this handbook does not cover measurement methods or how to measure emissions, overvoltage or overcurrent as these are covered within other ITU-T Recommendations, it does, through the case studies, suggest how to detect certain problems.
Available inpaper   electronic file
 
Earthing and Bonding
2003   Publication Notice with Order Form

This ITU-T handbook on Earthing and Bonding is for use by engineers designing telecommunication systems, especially those concerned with applying protective measures. It aims to give the user a background to various terms used within the telecommunication and power industry regarding earthing and bonding of equipment and structures (Chapter 1) in various parts of the world. The concepts of earthing and bonding are described (Chapter 2) together with how to implement such methods (Chapters 3 and 4), detailing why these are necessary and what the results may be if they are not performed correctly. The final section of the handbook shows how to evaluate and maintain the effectiveness/quality of the earthing systems and bonding networks thus created.
Available inpaper   electronic file
 
Quality of Service and Network Performance
2004   Publication Notice with Order Form

The QoS Handbook sets out to specify network service quality parameters that enable services to be offered to customers/users in order to satisfy customers'/users' quality of service expectations. These parameters relate to both implementation and ongoing use of the service. Service quality is also related to all aspects of network assessment and management of the network.
Available inpaper   electronic file
 

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