If you typed a command but did not receive an OK response from your modem, the E0 and Q1 commands may be in effect, disabling echo and responses. Verify this with the &V command. To enable echo and responses, type ATE1Q0 and press Enter.
Problem: The modem speaker volume is too low or too high.
Solution: Your modem has a small speaker on board that provides audible feedback of dial tones and remote connection signals (“handshaking”). This is not the same as the speaker that you may have connected to your sound card.
If the software allows you to control the volume, make sure the speaker is enabled and set to a comfortable volume.
If the software does not have speaker settings, add one of the AT commands listed below to the initialization string:
L1 for low volume
L2 for medium volume
L3 for highest volume
M0 to turn the speaker off entirely
For example, if you want the volume low and the software uses the initialization string AT &F, change it to AT &F L1.
Problem: The modem does not automatically dial a call when you send a Dial command.
Solution: Make sure the modem speaker is turned on in your software so that you can hear dialing sounds. Also, make sure that the phone line is plugged in.
Make sure that you are dialing a valid phone number, including any required dial prefixes.
If you are using tone dialing on a line that requires
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