Avaya Site Administration Reference
80
Vectors and Vector Directory Numbers (VDNs)
What are vectors?
A vector is a series of commands that you design to tell the system how to handle
incoming calls. A vector can contain up to 32 steps and allows customized and
personalized call routing and treatment. Use call vectoring to:
play multiple announcements
route calls to internal and external destinations
collect and respond to dialed information
Tip:
The vector follows the commands in each step in order. The vector "reads" the
step and follows the command if the conditions are correct. If the command
cannot be followed, the vector skips the step and reads the next step.
Your system can handle calls based on a number of conditions, including the number of
calls in a queue, how long a call has been waiting, the time of day, day of the week, and
changes in call traffic or staffing conditions.
WARNING:
Vector fraud is one of the most common types of toll fraud because vectors route
calls based on the class of restriction (COR) assigned to the VDN. Refer to the
Avaya Security Handbook, 555-025-600, or your Avaya representative, for more
information.
Writing vectors
Writing vectors is easy, but we recommend that you set up and test your vectors before
you use them across the system.
In the steps below, we’ll write a vector to handle calls to our main number. It is the first
vector so we’ll use number 1.
Tip:
Type list vector to see a list of existing vectors. Type list usage vector to see
where each vector is used throughout the voice system. Type list usage digit
string to see all the vectors, vector tables and Best Service Routing (BSR) plans
that use a specific dial string.
To write a vector:
1 Start terminal emulation for the voice system you want to administer.
2 Type change vector 1 and press the ENTER key.
The Call Vector screen appears.
The vector number field on the left side of the screen is filled in automatically.
3 Type a description for the vector in the Name field.
In our example, type main number calls.
The information in the heading of the Call Vector screen is display only. Use display
system-parameters customer-options to see the features that are turned on in
your voice system.
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