Hardware and system checklist
Modem
Refer to the online help files for Appendix C and Appendix D.
ProblemProcedure
Communication soft- Make sure the computer’s internal modem set-
ware can’t initialize | tings are correct. Refer to Phone and Modem |
modem | Options in the Control Panel. |
You can hear a dial tone but can’t make a call
If the call is going through a PBX machine, make sure the communication application’s tonedial detection feature is disabled.
You can also use the ATX command. Refer to the chapter on AT commands in online help files for Appendix C, AT Commands.
You place a call, but a | Make sure the settings are correct in your com- |
connection can’t be | munications application. |
made |
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After making a call | Make sure the tone or pulse selection in your |
you can’t hear a ring | communications application is set correctly. |
| You can also use the ATD command. Refer to |
| the chapter on AT commands in online help files |
| for Appendix C, AT Commands. |
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|
Communication is cut | The computer will automatically cut off commu- |
off unexpectedly | nication when connection with the carrier is not |
| successful for a set time interval. Try lengthen- |
| ing this time interval. |
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TROUBLESHOOTING
