Abbreviation for ultraviolet.

1. Abbreviation for ultrawideband.
1. Referring to any radio or wireless device where the occupied bandwidth is greater than 25% of the center frequency or greater than
1. 5 GHz.
2. A radio or wireless system that uses narrow pulses (on the order of 1 to 10 nanoseconds), also called carrierless or impulse systems, for communications and sensing (short-range radar).… (Read More →)

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.