Solution: Your modem has a small speaker on its board that gives you 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 computer’s sound- card.
If the software allows you to control the volume of the
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 completely
M1 to turn the speaker back on
For example, if you want the volume low and the software uses the initialization string AT &F, change it to AT &F L1.
Dial Troubleshooting
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 re- quires pulse dialing, the line may not be able to accept
Make sure your communications software and modem are configured for the same COM port.
Chapter 3: Solving Common Problems | 17 |
