# Advice of Charge

## Purpose

This form is used to configure Advice of Charge (AOC) on embedded BRI or embedded PRI. This form is not used to configure AOC for NSUs or DSUs.

Use the Advice of Charge form when performing the following tasks:

- Program Embedded BRI Trunks

- Program Embedded PRI/QSIG

## Conditions

The AOC feature is available with the ISDN-BRI and Euro-ISDN (E1) protocols only. The form is blank for all other link types.

## Field Descriptions

Parameter | Description | Default Value
Controller Module | System-generated, protected field. Identifies the module position (1-4) in the controller. |
Port | System-generated, protected field. Identifies the port (1 or 2) in the module. |
Link Number | System-generated, protected field. |
Protocol | System-generated, protected field. Displays the protocol from the ISDN Protocol form. |
AOC Variant | Select ETSI, Italy, Holland, Spain, or France. | Blank