Synonym normalized frequency.

The interface point in an ISDN environment between the line termination and the exchange termination.

Sets of telecommunications protocols and interfaces defined by CCITT (now ITU-T) Recommendations.
Note: Some of the more common V. -series Recommendations are:V.21: A CCITT Recommendation for modem communications over standard commercially available lines at 300 b/s. This protocol is generally not used in the United States.
V.22bis: A CCITT Recommendation for modem communications over standard commercially available voice-grade channels at… (Read More →)

Vehicle to Vehicle

Vehicle to Everything

A call-disposition category for a call attempt to an unassigned NPA (numbering plan area) or N. [T1.207-1998]

This announcement is played when a customer mis-dialed or the NPA-NXX or NXX-X is not valid. An example of such a recording is as follows: “We’re sorry, your call cannot be completed as dialed. Please, check the number and try again. ” (See “NIIF Reference Document Part 2 – Installation and Maintenance Responsibilities for SS7 Links and Trunks Attachment H… (Read More →)

Synonym anti-virus program.

1. Tests to determine whether an implemented system fulfills its requirements.
2. The checking of data for correctness or for compliance with applicable standards, rules, and conventions.
3. [The] process of applying specialized security test and evaluation procedures, tools, and equipment needed to establish acceptance for joint usage of an information system (IS) by one or more departments or agencies… (Read More →)

The system containing the data base information to be used in validation of the telecommunications charge card or billed number screening data.