ITU-T

The Consultative Committee International Téléphonique et Telegraph and (CCITT; German International Advisory Committee for the telegraph and telephone service) is a now outdated, but often mentioned name for one of the technical committee of the ITU (International Telecommunication Union; German International Telecommunication Union).

This committee is now called ITU -T ( ITU Telecommunication Standardization Sector ) and is the one division of the ITU, the technical norms, standards, and recommendations for all areas of the telecommunications developed. The ITU- T is March 1, 1993. Origins of the CCITT go back to the year 1865.

History

The CCITT was the end of 1956 from the merger of the advisory committees CCIF ( for telephone service, founded in 1924 ) and CCIT (for the telegraph service, founded in 1925 ). It was a permanent body of the ITU with their own organization. The contractual basis were included in Article 15 of the International Telecommunication Convention of Montreux in 1965.

Tasks

The duties of the CCITT were studying technical questions, operational and fees issues relating to telegraphy and telephony and the publication of recommendations to best address these issues. The recommendations were in study committees that were established by the General Assembly, prepared and adopted by the General Assembly. All member countries of the ITU could participate in the plenary sessions and in the work and deliberations of study commissions.

The facilities of the CCITT

Plenary session

The General Assembly met typically every three years. She chose approximately every six years, the director, began the study commission and gave them orders. The results of the assemblies were as recommendations, reports and so on laid down in so-called " color books ", the color of the cover featured the respective study period. Prior to the merger of the CCIF and CCIT the two committees gave out at the end of each study period, yet different colored books. From 1957 to 1964, was published by the CCITT, the so-called " red books " and then the so-called " blue books".

Director and Secretariat

The director in charge of the CCIT and coordinated the work of the Assembly and the Academic Board. The technical secretariat support to the Director and completed the ongoing administrative work.

Commissions

The study commissions have been appointed to necessary investigations of the General Assembly. In the late 1960s there were the following study groups:

Global and Regional Planning Commission plan commissions for Europe and the Mediterranean region, Africa, Asia and Oceania, Latin America, and also the mixed commission CCIR / CCITT, CMTT, television transmission over long distances. Most commissions still had a number of working groups among themselves. Addition, there were five separate task forces. The working groups were partially mixed. Addition, there were five separate task forces. The working groups were partially mixed.

Laboratories

The laboratories and technical facilities that have been set by the ITU.

Pictures of ITU-T

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