- 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.
One half of the time average over the sum of the squares of the differences between successive readings of the frequency deviation sampled over the sampling period. Note: The Allan variance is conventionally expressed by y2 (. ) The samples are taken with no dead-time between them. Synonym two-sample variance.
Industry:Telecommunications
One of a family of devices developed to read-in, transfer, or store key.
Industry:Telecommunications
One of a group of functions that control and take actions when required to preserve integrity of locally connected signaling link sets.
Industry:Telecommunications
One of a hierarchy of privileged modes of an information system (IS) that gives certain access rights to user programs and processes that are authorized to operate in a given mode.
Industry:Telecommunications
One of a set of clocks distributed over a spatial region, producing time scales that are synchronized to the time scale of a reference clock at a specified location.
Industry:Telecommunications
One of a set of control characters used in call-control signaling. Note: The signals representing call control characters may be used under defined conditions on interchange circuits other than the originating circuit.
Industry:Telecommunications
One of a set of parts of which the characters in a given code may be composed.
Industry:Telecommunications
One of an identified group of network-provided enhanced services. Note: A CLASS group for a given network usually includes several enhanced service offerings, such as incoming-call identification, call trace, call blocking, automatic return of the most recent incoming call, call redial, and selective forwarding and programming to permit distinctive ringing for incoming calls.
Industry:Telecommunications
One of seven increasingly rigorous packages of assurance requirements from CC (Common Criteria) Part 3. Note: Each numbered package represents a point on the CC's predefined assurance scale. An EAL can be considered a level of confidence in the security functions of an IT (information-technology) product or system.
Industry:Telecommunications
One of several segments of a computer program that, during execution, occupies the same area of main storage, one segment at a time. 2. To use repeatedly the same areas of internal storage during different stages of the execution of a program.
Industry:Telecommunications
