# 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.

1. Set DTMF-to-PBX protocols.

2. If user mailbox numbers are different from extension numbers, configure the server to use alternate codes.

3. Verify the configuration.

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

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