# Dialing Policy Parameters

Dialing policy parameters allow you to determine which types of users are allowed to perform what types of calls.

To configure the dialing policy parameters:

1. In the navigation tree, click Auto-Attendant. The Auto-Attendant menu items appear.

2. Click Misc. Parameters. The Auto Attendant Parameters window appears.

3. In the Category field, select Dialing Policy from the drop-down menu.

4. For each caller type field, you can choose one of the following four dialing permission options from the drop-down menu: “Extensions only”, “Extensions and local numbers”, “Extensions, local and long distance” and “Extensions, local, long distance and international calls”

   OR

   You can apply the default value for each of the parameters by clickingUse Default Value.

5. Configure the following parameters:

   - Unknown (non-trusted) callers, external: This field sets the dialing permissions for callers who place calls from outside the company’s telephony network and the caller ID cannot be recognized as an Auto-Attendant user. The default value is “Extensions only.”

   - Unknown (non-trusted) callers, internal: This field sets the dialing permissions for callers who place calls from inside the company’s telephony network and the caller ID cannot be recognized as an Auto-Attendant user. The default value is “Extensions and local numbers.”

   - Known (trusted) callers, external: This field sets the dialing permissions for callers who place calls from outside the company’s telephony network and the caller ID is recognized as an Auto-Attendant user. The default value is “Extensions and local numbers.”

   - Known (trusted) callers, internal: This field sets the dialing permissions for callers who place calls from inside the company’s telephony network and the caller ID is recognized as an Auto-Attendant user. The default value is “Extensions and local numbers.”

   - Minimum Internal Number Length: This field sets the minimum value for the length of the internal number that can be dialed by the user. The shortest value is 1 digit and the longest value is 11 digits. The default value for the minimum internal number length is 3 digits.

6. Maximum Internal Number Length: This field sets the maximum value for the length of the internal number that can be dialed by the user. The shortest value is 1 digit and the longest value is 11 digits. The default value for the maximum internal number length is 6 digits.

   Note: The maximum internal number length must be greater than or equal to the minimum internal number length.

7. Click Save to set the configured parameters to the selected values.