Log on to the EPM web interface by using an account with the Administration user role.
On the EPM navigation pane, click System Configuration > Speech Servers.
On the Speech Servers page, on the TTS tab, in the Name column, click the server name.
On the Change TTS Server page, enter appropriate information, and click Save.
If you logged in using the init account, ensure that the LDN number specified in the LDN field matches the information in the Avaya Services database for this server.
After you save the changes, the System Monitor webpage and the MPP Manager webpage on EPM display the Restart Required configuration status for MPPs in the Running state.
Restart only the MPP servers that belong to the affected zone.