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International Telecommunications Union
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body, standard (ITU) ITU-T, the telecommunication
standardisation sector of ITU, is responsible for making
technical recommendations about telephone and data (including
fax) communications systems for PTTs and suppliers. Before
1993-03-01 ITU-T was known as CCITT. Every four years they
hold plenary sessions where they adopt new standards; there
was one in 1992.
ITU works closely with all standards organisations to form
an international uniform standards system for communication.
Study Group XVII is responsible for recommending standards for
data communications over telephone networks. They publish the
V.XX standards and X.n protocols. V.21 is the same as
EIA's EIA-232. V.24 is the same as EIA's EIA-232C.
V.28 is the same as EIA's EIA-232D.
Address: International Telecommunication Union, Information
Services Department, Place des Nations, 1211 Geneva 20,