ITU-T

The ITU (International Telecommunication Union) body responsible for Telecommunications. ITU-R is responsible for Radio.
Found on http://www.encyclo.co.uk/visitor-contributions.php

ITU-T

The ITU Telecommunication Standardization Sector (ITU-T) is one of the three sectors (divisions or units) of the International Telecommunication Union (ITU); it coordinates standards for telecommunications. The standardization work of ITU dates back to 1865, with the birth of the International Telegraph Union. It became a United Nations specialize
Found on http://en.wikipedia.org/wiki/ITU-T
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