Adding a VDN variable

Last Updated : Sep 18, 2026 |
Prolog information
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Add a VDN variable to collect the extension number of the active or last VDN associated with the call. The number of digits assigned to a VDN variable depend on the dial plan that the contact center uses. You can add a VDN variable to reduce the number of vectors that use specific VDNs.
  1. On the Configuration Server web portal, go to AdministrationContact CenterVector Variables.
  2. At the top-right corner of the Vector Variables screen, click the Add icon.
    STEP RESULT:
    The Configuration Server displays the variable configuration fields.
  3. In Name, type the variable name.
    ADDITIONAL INFORMATION:
    You can type a maximum of 20 letters of the basic Latin script.
  4. In Type, select vdn.
  5. In Assignment, select one of the following:
    • active: To collect the extension number of the active VDN.
    • latest: To collect the extension number of the last VDN associated with the call.
  6. In Scope, select L(oсal).
  7. In Description, type a short description for the variable.
    ADDITIONAL INFORMATION:
    You can type a maximum of 50 Unicode characters.
  8. If you want to add one or several variables, in the top-left corner of the screen, click Add New.
  9. At the top-right corner of the screen, click Commit.
    STEP RESULT:
    The Configuration Server saves the variable configuration and redirects you to the Vector Variables screen.
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Vector routing table overviewVector overview