A vector directory number (VDN) is an extension on an
automatic call distributor
An automated call distribution system, commonly known as automatic call distributor or automatic call dispatcher (ACD), is a telephony device that answers and distributes incoming calls to a specific group of terminals or agents within an organiz ...
that directs an incoming call to a "vector" — a user-defined sequence of functions that may be performed, such as routing the call to a destination, giving a
busy signal, or playing a recorded message.
This number is a "soft"
extension number not assigned to an equipment location.
VDNs must be set up according to the customer's
dial plan In telecommunication
Telecommunication, often used in its plural form or abbreviated as telecom, is the transmission of information over a distance using electronic means, typically through cables, radio waves, or other communication technolo ...
and the optional
vectoring software
Software consists of computer programs that instruct the Execution (computing), execution of a computer. Software also includes design documents and specifications.
The history of software is closely tied to the development of digital comput ...
must be enabled. VDN is used in different call center environments.
See also
*
Virtual number
References
External links
Virtual Phone Number
Telephone numbers
Computer telephony integration
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