Follow this procedure to verify that Windows recognizes the computer's dial up modem, that the driver is correctly installed, and that the modem is able to place a call.

1. In Control Panel, click the Phone and Modem Options icon.

2. Click the Modems tab.

3. Verify that there is an entry titled Toshiba Software Modem, and that it is not labeled "Not present" in the Attached To column.

3.  Double-click the Toshiba Software Modem entry, to display the Properties page.

4. Click the Diagnostics tab.

5.Click the Query Modem button.

If the Modem Information window contain a list of AT commands (including ATI2, ATI3, ATI4 etc., as in the screen above), then the  modem is correctly installed. Make sure that the ATI5 entry ends in "19" (screen below), which indicates North America. Any other value indicates that the modem is configured for a country other than the U.S. or Canada.

6. Optionally, click the Append to Log check box to enable Logging of calls made by the modem.

Once the Append to Log feature has been activated, you can click the View log button to review a log (chronological list) of what commands Windows has sent to the modem and what responses have been returned by the modem, for each call placed.

If Append to Log is left unchecked, then activity for the most recent call only will be recorded in the log file.

The Log will look something like the following:

The best way to test the complete modem subsystem, including the modem's AFE (analog front end), which includes the DAA (data access arrangement), is to actually place a call to another modem, establish a connection, and run test utilities specifically designed to evaluate the connection and the performance of the modem.

If this is not practical, follow these steps to verify that the modem is at least functioning well enough to place a call:

7. Connect the modem to a standard analog phone line.

8. Click the Modem tab on the Properties page described above.

9. If necessary, change the Speaker volume setting to one of the two higher slider-positions, so that it will be easy to hear the DTMF tones the modem generates when dialing. (Many applications turn off the speaker sound, making Hyperterminal a good choice for modem testing.)

10. Set the computer's hardware volume control to approximately half-way up.

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11. Start Hyperterminal , by clicking Start, then Programs, Accessories, Communications, Hyperterminal.

12. Enter some text into the Name field, such as "Test", and click OK.

13. Enter any phone number into the Phone number field, and click OK. If possible, enter the phone number of a nearby telephone.

14. Click Dial.

You should hear a dial tone and then the DTFM tones produced by the modem to 'dial' the number.

If a "NO DIAL TONE" response appears, then there is probably a problem with the phone line, or it may be a digital phone line, as found in PBX systems, for example.

If the modem successfully dials the call (and especially if a nearby phone it called actually rings), it's a good indication that the basic functions of the modem are working correctly.

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