# Class Of Restriction (COR)

## Description

Class of Restriction (COR) limits a station's access to specified numbers. A station may have three CORs (Day/Night1/Night2 service), and the COR may also be changed by using a Verified Account Code.

## Conditions and Feature Interactions

None

## Programming

1. Station Attributes form

- Assign a Class of Restriction (COR) to each directory number for each mode of service.

2. Complete the Class of Restriction Groups form.

3. ARS Maximum Dialed Digits form

- Enter the maximum number of digits that may be dialed from a station in the associated COR group before the call is barred.

4. Complete ARS programming.

## Device Support

Not applicable

## Operation

None

Related Topics

- Class of Service

- Intercept Handling