Telecommunication Standardization Sector (ITU-T) is one of the three Sectors (branches) of the International Telecommunication Union (ITU). It is responsible for coordinating...

The ITU-T V-Series Recommendations on Data communication over the telephone network specify the protocols that govern approved modem communication standards...

T.38 is an ITU recommendation for allowing transmission of fax over IP networks (FoIP) in real time. The T.38 fax relay standard was devised in 1998 as...

The ITU-T Recommendation E.212 defines mobile country codes (MCC) as well as mobile network codes (MNC). The mobile country code consists of three decimal...

("Ultrafine") Group 4 faxes conform to the ITU-T Recommendations T.563, T.503, T.521, T.6, T.62, T.70, T.411 to T.417. They are designed to operate over 64 kbit/s...

functions. The protocols are standardised by the ITU Telecommunication Standardization Sector (ITU-T). T.120 has been implemented in various real-time collaboration...

T.61 is an ITU-T Recommendation for a Teletex character set. T.61 predated Unicode, and was the primary character set in ASN.1 used in early versions of...

ITU-T recommendation T.50 specifies the International Reference Alphabet (IRA), formerly International Alphabet No. 5 (IA5), a character encoding. ASCII...

Country codes are defined by the International Telecommunication Union (ITU) in ITU-T standards E.123 and E.164. The prefixes enable international direct...

The International Telecommunication Union (ITU) is a specialized agency of the United Nations responsible for many matters related to information and...

Differential Interface Circuits and its international equivalent ITU-T Recommendation T-REC-V.11, also known as X.27. These technical standards specify...

V.92 is an ITU-T recommendation, titled Enhancements to Recommendation V.90, that establishes a modem standard allowing near 56 kb/s download and 48 kb/s...

X.400 is a suite of ITU-T recommendations that define the ITU-T Message Handling System (MHS). At one time, the designers of X.400 were expecting it to...

Systems Interconnection – Remote Procedure Call (RPC)" and more recently in ITU-T Rec. X.667 | ISO/IEC 9834-8:2014. The Internet Engineering Task Force (IETF)...

(ISO/IEC JTC 1/SC 29/WG 1) – titled as Coding of still pictures. On the ITU-T side, ITU-T SG16 is the respective body. The original JPEG Group was organized...

available from the ITU-T as the X.200 series of recommendations. Some of the protocol specifications were also available as part of the ITU-T X series. The...

supplied to telephone customers, starting in 1963. DTMF is standardized as ITU-T Recommendation Q.23. It is also known in the UK as MF4. Touch-Tone dialing...

also known as Question 6) is a working group of the ITU Telecommunication Standardization Sector (ITU-T) concerned with standards for compression coding...

Interchange Format (JFIF) is an image file format standard published as ITU-T Recommendation T.871 and ISO/IEC 10918-5. It defines supplementary specifications...

Experts Group (JPEG) is the joint committee between ISO/IEC JTC 1/SC 29 and ITU-T Study Group 16 that created and maintains the JPEG, JPEG 2000, JPEG XR,...

typical value is 32 kHz. In 1987, the International Telecommunication Union (ITU) standardized a version of wideband audio known as G.722. Radio broadcasters...

standard ITU-T/CCITT V.24 [de], but equipment built to the current standard will interoperate with older versions.[citation needed] Related ITU-T standards...

ITU-T G.9991 (provisionally known as G.vlc) is a standard developed by ITU-T for indoor line-of-sight optical networking. G.9991 was approved in March...

spelling alphabet, ICAO phonetic alphabet and ICAO spelling alphabet. The ITU phonetic alphabet and figure code is a rarely used variant that differs in...

unit and baseband medium specifications, type 10BASE2 ITU-T Study Group 15 (January 14, 2008). "ITU-T Rec. G.9954 (01/2007) Home networking transceivers...

in the public switched telephone network (PSTN). It is specified by the ITU-T as part of the Q.76x series. When a telephone call is set up from one subscriber...

original video. CCIR 601 (ITU-T) H.261 (ITU-T) H.263 (ITU-T) H.264/MPEG-4 AVC (ITU-T + ISO) H.265 M-JPEG (ISO) MPEG-1 (ISO) MPEG-2 (ITU-T + ISO) MPEG-4 (ISO)...

Standardization Assembly (WTSA) is the governing conference of the ITU Standardization Sector (ITU-T), one of the three world conferences of the International...

The ITU-T Study Group 16 (SG16) is a statutory group of the ITU Telecommunication Standardization Sector (ITU-T) concerned with multimedia coding, systems...

2019-11-07. "ITU Operational Bulletin No. 1025". ITU. 1 April 2013. Retrieved 8 May 2014. "Afghanistan". GSMA. Retrieved 8 May 2014. "ITU Operational Bulletin...