- Industry: Telecommunications
- Number of terms: 29235
- Number of blossaries: 0
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ATIS is the leading technical planning and standards development organization committed to the rapid development of global, market-driven standards for the information, entertainment and communications industry.
A telecommunications service that allows transmission of user-information signals between user-network interfaces. See B channel, service access.
Industry:Telecommunications
A telecommunications service that provides personal mobility and service profile management. Note 1: UPT service involves the network capability of identifying uniquely a UPT user by means of a UPT number. Note 2: The general principles of UPT are given in ITU-T Recommendation F. 850. Note 3: UPT and PCS are sometimes mistakenly assumed to be the same service concept. UPT allows complete personal mobility across multiple networks and service providers. PCS may use UPT concepts to improve subscriber mobility in allowing roaming to different service providers, but UPT and PCS are not the same service concept.
Industry:Telecommunications
A telecommunications system service condition in which a user is completely deprived of service by the system. Note: For a particular system or a given situation, an outage may be a service condition that is below a defined system operational threshold, i.e., below a threshold of acceptable performance. See outage threshold.
Industry:Telecommunications
A telecommunications system service condition in which a user is completely deprived of service by the system. Note: For a particular system or a given situation, an outage may be a service condition that is below a defined system operational threshold, i.e., below a threshold of acceptable performance. See outage threshold.
Industry:Telecommunications
A teleconference that includes video communications. 2. Pertaining to a two-way electronic communications system that permits two or more persons in different locations to engage in the equivalent of face-to-face audio and video communications. Note: Video teleconferences may be conducted as if all of the participants were in the same room.
Industry:Telecommunications
A teleconference that includes video communications. 2. Pertaining to a two-way electronic communications system that permits two or more persons in different locations to engage in the equivalent of face-to-face audio and video communications. Note: Video teleconferences may be conducted as if all of the participants were in the same room.
Industry:Telecommunications
A telegram, originating in or intended for a mobile station or a mobile Earth station transmitted on all or part of its route over the radiocommunication channels of the mobile service or of the mobile-satellite service.
Industry:Telecommunications
A telegraph or a data code in which (a) all the words or code groups are composed of the same number of unit elements, (b) each element has the same duration or spatial length, (c) each word or code group has the same duration or spatial length, and (d) usually each word or code group has the same number of characters.
Industry:Telecommunications
A telegraph system in which (a) current flows during marking intervals and no current flows during spacing intervals for the transmission of signals over a line, and (b) the direction of current flow is immaterial. Synonyms single-current system, single-current transmission system, single-Morse system.
Industry:Telecommunications
A telegraph system in which (a) current flows during marking intervals and no current flows during spacing intervals for the transmission of signals over a line, and (b) the direction of current flow is immaterial. Synonyms single-current system, single-current transmission system, single-Morse system.
Industry:Telecommunications
