Telecommunications terms starting with U

127 terms

  1. User Datagram Protocol (UDP) A connectionless network protocol that provides simple but unreliable transmission. An alternative to TCP that does not contain error checking.
  2. user ID A file assigned to every user and server that uniquely identifies them to IBM® Lotus® Notes® and IBM® Lotus® Domino™.
  3. user identification 1. A character string which uniquely identifies a user to a system [CESG]. See also: Password. 2. See user ID.
  4. user identity module (UIM) A standard device or functionality providing secure procedures in support of registration, authentication, and privacy for wireless access to PCS, and…
  5. user information Information transferred across the functional interface between a source user and a telecommunications system for delivery to a destination user.
  6. user information bit A bit transferred from a source user to a telecommunications system for delivery to a destination user.
  7. user information block A block that contains at least one user information bit.
  8. user line Synonym loop.
  9. user overhead information See overhead information.
  10. user part A functional part of the common channel signaling system that transfers signaling messages via the message transfer part.
  11. user privacy Protection of information about users from uninvited and possibly illegal access. [T1.Rpt34-1994]
  12. user profile A group of settings that provides the operating system with information about a client's configuration. [Exchange 5.5]
  13. user representative [A] person authorized by an organization to order COMSEC keying material and interface with the keying system; providing information to key users and…
  14. user service class Synonym class of service.
  15. user-network interface (UNI) The point of demarcation between a common carrier's facilities and customer's installation, which demarcation establishes both the technical interface and…
  16. user-provided number (UPN) An ISDN number, supplied completely or partially by the calling user or the redirecting user, that is associated with the calling user or the redirecting…
  17. UT Universal Time.
  18. UTC By international agreement, the local time at the prime meridian, which passes through Greenwich, England.
  19. UTC(i) Coordinated Universal Time (UTC), as kept by the "i" laboratory, where i is any laboratory cooperating in the determination of UTC.
  20. utility load Synonym nonoperational load.
  21. utility program A computer program that is in general support of the operations and processes of a computer.
  22. utility routine Synonym utility program.
  23. Utilization Level The utilization level in a given geographic area (NPA or rate center) is calculated by dividing all assigned numbers (numerator) by total numbering…
  24. uudecode A standardized, MIME-compliant method of decoding uuencoded e-mail messages by decoding binary data that was conveyed as a character string over a…
  25. uuencode 1. A standardized, MIME-compliant method of encoding e-mail and other electronically transferred messages to provide a minimum level of security through…
  26. UV Ultraviolet.
  27. UWB Abbreviation for ultrawideband. 1. Referring to any radio or wireless device where the occupied bandwidth is greater than 25% of the center frequency or…