Make sure the customer is using the following: Express Modem Software 2.3.3 & FreePPP 2.5 v2.
Also, make sure the express modem is set to internal modem instead of the serial/modem port.
FreePPP Setup
1. Open FreePPP setup, and select modem setup
2. In modem setup make sure "connected to" is on internal modem
3. below that is an option for modem init string settings, make sure this is on "Use" and type in ATZ&Q0
At this point the customer should be able to dial-in. If the customer has AOL 3.0 installed they will also need to turn off the AOL
link extension.