# DTMF to PBX MWI Configuration

This procedure summarizes the steps for configuring DTMF-to-PBX message waiting indicators.

To configure DTMF TO PBX MWI, for each node:

1. Complete a DTMF-to-PBX Message Lights Worksheet. For detailed parameter information, see Configuration Requirements.

2. Define a line group to be used for the DTMF-to-PBX Message Lights application. You must define at least one line to serve as an outdialer of message indicator requests.

2. Set DTMF-to-PBX protocols.

3. If user mailbox numbers are different from extension numbers, configure the server to use alternate codes (see Related Topics).

4. Verify the configuration.

5. Assign message waiting type 3 as the first or second message waiting type in mailboxes that are to send message waiting indicator requests.

6. Test the DTMF-to-PBX Message Lights application (Text console only).

- Add a Line Group

- Set DTMF-to-PBX Protocols

- Activate the Inactive Configuration