Definition, Meaning & Synonyms | English word CCITT

Definitions of CCITT

1. Former name of ITU-T.

Examples of Using CCITT in a Sentence

• Asynchronous Transfer Mode (ATM) is a telecommunications standard defined by the American National Standards Institute and International Telecommunication Union Telecommunication Standardization Sector (ITU-T, formerly CCITT) for digital transmission of multiple types of traffic.
• Work on the standard began in 1980 at Bell Labs and was formally standardized in 1988 in the CCITT "Red Book".
• In the early 1970s, the term datagram was created by combining the words data and telegram by the CCITT rapporteur on packet switching, Halvor Bothner-By.
• It was originally defined by the International Telegraph and Telephone Consultative Committee (CCITT, now ITU-T) in a series of drafts and finalized in a publication known as The Orange Book in 1976.
• ITU-T was formerly known as the Consultative Committee for International Telephony and Telegraphy (CCITT).
• 1 is a joint standard of the International Telecommunication Union Telecommunication Standardization Sector (ITU-T) in ITU-T Study Group 17 and International Organization for Standardization/International Electrotechnical Commission (ISO/IEC), originally defined in 1984 as part of CCITT X.
• During the late 1980s, a number of companies began experimenting with the much more efficient DCT compression for video coding, with the CCITT receiving 14 proposals for DCT-based video compression formats, in contrast to a single proposal based on vector quantization (VQ) compression.
• In the original release the difference between this standard and others like it is that the graphics structures were exclusively defined as CCITT raster image and Computer Graphics Metafile (CGM - ISO/IEC 8632).
• In the mid-1980s, both CCITT (now ITU-T) and ISO had standardization groups for image coding: CCITT Study Group (SG) VIII (Telematic Services) and ISO TC97 SC2 WG8 (Coding of Audio and Picture Information).
• In long-distance systems, supergroups were multiplexed into mastergroups of 300 voice channels (European CCITT hierarchy) or 600 (AT&T Long Lines Type L-600 Multiplex) for transmission by coaxial cable or microwave.
• These connections were limited to those TWX machines that were equipped with automatic answerback capability per CCITT standard.

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