- Industry: Telecommunications
- Number of terms: 29235
- Number of blossaries: 0
- Company Profile:
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 system of synchronization in which signals from a single location are used to synchronize clocks at one or more other locations. Synonym unilateral control system.
Industry:Telecommunications
A system of vertical guidance embodied in the instrument landing system which indicates the vertical deviation of the aircraft from its optimum path of descent.
Industry:Telecommunications
A system of wiring so arranged that a circuit, a line, or a group of lines is accessible at a number of points. Synonym multipoint.
Industry:Telecommunications
A system of wiring so arranged that a circuit, a line, or a group of lines is accessible at a number of points. Synonym multipoint.
Industry:Telecommunications
A system operating in this mode is one whose users are all cleared for, need to know about and have access to all the data stored on and/or processed by it. See also: Multilevel Security Mode, System High Security Mode and Compartmented Security Mode.
Industry:Telecommunications
A system overhead bit used for providing a network service, such as a request for a repetition or for a numbering sequence. Note: A service bit is not a check bit.
Industry:Telecommunications
A system process designed to increase, within a band of frequencies, the magnitude of some (usually higher) frequencies with respect to the magnitude of other (usually lower) frequencies, in order to improve the overall signal-to-noise ratio by minimizing the adverse effects of such phenomena as attenuation differences, or saturation of recording media, in subsequent parts of the system. Note: Preemphasis has applications, for example, in audio recording and FM transmission.
Industry:Telecommunications
A system profile construction method of starting at a base platform and adding new services by allowing a service component to ask the base platform to redirect all requests for that type of service to the service component.
Industry:Telecommunications
A system service feature by which users are denied the ability to place toll calls without the assistance of an attendant.
Industry:Telecommunications
A system that establishes connections between customer installations (CIs) and constituent public service access points (PSAPs,) provides automatic location information (ALI,) and has provisions for selective routing.
Industry:Telecommunications
