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Glossary
Issue 7 May 1998 GL-15
V
VDN
Vector Directory Number
Vector command
A command used in call vectoring to specify the treatment a call will receive. Commands include
main or backup Automatic Call Distribution (ACD) split queuing with priority levels and
inflow-threshold checking; delays with specified feedback such as ringback, music, silence, or
announcements; collecting digits; routing to internal or external destinations; and unconditional and
conditional branching. Conditional branching is based on call-handling conditions of the ACD
splits, collected digits, or on time of day and day of the week.
See also
Vectors and Vector step.
Vector-Controlled Split
A hunt group or ACD split administered with the “vector field” enabled. Access to such a split is
only possible by dialing a VDN extension. Vector-Controlled Splits cannot be Active Notification
Domains.
Vector Directory Number (VDN)
An extension that provides access to the Vectoring feature on the ECS. Vectoring allows a
customer to specify the treatment of incoming calls based on the dialed number.
Or, an extension number that terminates at a vector. Calls to the VDN are processed by the vector
to which the VDN points. When used with vectoring, the dialed number received by the
communications system to provide Dialed Number Identification Service (DNIS) is the VDN
assigned for that service.
Vec t or s
Easily programmed routing tables for processing incoming calls that provide various responses to
the caller before the call is answered or receives other treatment.
See also
Call vectoring, Vector
Directory Number, Vector command, and Vector step.
Vector step
One of a series of steps processed sequentially within a vector unless a step with a Goto
command or Stop command is encountered or vector processing terminates. A step consists of an
action to be taken and the information needed to complete the action.
See also
Call vectoring,
Vector command, and Vectors.
VN4
The French National Integrates Services Digital Network (ISDN).
Voice Res ponse U nit
An adjunct product used to perform call screening, redirection, and data collection functions.
See
also
CONVERSANT VIS.
VRI
Voice Response Integration
VRU
Voice Response Unit
VuStats
A feature that allows stations equipped with displays to display data items chosen from the BCMS
data.