(formerly CCITT)

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• X.25 — is an ITU T standard network layer protocol for packet switched wide area network (WAN) communication. An X.25 WAN consists of packet switching exchange (PSE) nodes as the networking hardware, and leased lines, Plain old telephone service… …   Wikipedia

• Fax — For other uses, see Fax (disambiguation). A Samsung fax machine Fax (short for facsimile), sometimes called telecopying, is the telephonic transmission of scanned printed material (both text and images), normally to a telephone number connected… …   Wikipedia

• Joint Photographic Experts Group — The Joint Photographic Experts Group is a joint committee between ISO and ITU T (formerly CCITT) which created the JPEG and JPEG 2000 standards. Its proper name is ISO/IEC Joint Technical Committee 1, Subcommittee 29, Working Group 1.The group… …   Wikipedia

• X.75 — is an International Telecommunication Union (ITU) (formerly CCITT) standard specifying the interface for interconnecting two X.25 networks. X.75 is almost identical to X.25. The significant difference is that while X.25 specifies the interface… …   Wikipedia

• Zapmail — was a service, launched in 1984 by Federal Express (FedEx) whereby fax transmission was offered to customers as a means to expedite delivery of documents. This was before the widespread availability and use of fax services in homes and businesses …   Wikipedia

• ITU-T —    International Consultative Committee for Telephone and Telegraph (formerly CCITT) …   IT glossary of terms, acronyms and abbreviations

• List of country calling codes — This is a list of country calling codes defined by ITU T recommendations E.123 and E.164, also called IDD (International Direct Dialling) or ISD (International Subscriber Dialling) codes. The telephone numbering plan for a telephone system… …   Wikipedia

• telephone — telephoner, n. /tel euh fohn /, n., v., telephoned, telephoning. n. 1. an apparatus, system, or process for transmission of sound or speech to a distant point, esp. by an electric device. v.t. 2. to speak to or summon (a person) by telephone. 3.… …   Universalium

• FSK standards for use in Caller ID and remote metering — Frequency shift keying is used over telephone lines for Caller ID and remote metering applications. There are several variations on this technology. ETSI FSK The European Telecommunications 1 and 2, and ES 200 778 1 and 2, the latter replacing… …   Wikipedia

• Telegraphy — (from the Greek words (τηλε) = far and (γραφειν) = write) is the long distance transmission of written messages without physical transport of letters. Radiotelegraphy or wireless telegraphy transmits messages using radio. Telegraphy includes… …   Wikipedia

• Telephone exchange — A telephone operator manually connecting calls with cord pairs at a telephone switchboard. In the field of telecommunications, a telephone exchange or telephone switch is a system of electronic components that connects telephone calls. A central… …   Wikipedia