Run modem diagnostics and adjust maximum speed

1. Close all programs that use the same communications port as your modem, such as any fax software, HyperTerminal, or Phone Dialer.
2. Open Modems in Control Panel.
3. Click the Diagnostics tab, click the communications port you are using, and then click More Info.

   In the port information section, make a note of the highest speed your UART (Universal Asynchronous Receiver Transmitter) can support.

4. Click OK.
5. Click the General tab, and then click Properties.
6. Set the maximum speed to the highest speed listed in step 3.
7. Click OK, and then click Close.
8. In the dialing error screen, click Next.

Did this fix the problem?

Yes. Display overview information.

No. What else could be wrong?