Answer
PROBLEM
When sending a fax the error 'No dial tone detected: 45' will be displayed in the GFI FaxMaker monitor.The COM log may show the following information:
    ...,634,1,"#00004a08","#000094ec","info ","fax_COM3","send phase setup"
...,634,1,"#00004a08","#000094ec","info ","fax_COM3","send phase A"
...,634,1,"#00004a08","#000094ec","info ","fax_COM3","-> 'ATDT0044********** '"
...,228,1,"#00004a08","#000094ec","info ","fax_COM3","<- 'NO DIALTONE'"
...,228,1,"#00004a08","#000094ec","info ","fax_COM3","-> 'ATH0 '"
...,275,1,"#00004a08","#000094ec","info ","fax_COM3","<- 'OK'"
  ...,634,1,"#00004a08","#000094ec","info ","fax_COM3","send phase A"
...,634,1,"#00004a08","#000094ec","info ","fax_COM3","-> 'ATDT0044********** '"
...,228,1,"#00004a08","#000094ec","info ","fax_COM3","<- 'NO DIALTONE'"
...,228,1,"#00004a08","#000094ec","info ","fax_COM3","-> 'ATH0 '"
...,275,1,"#00004a08","#000094ec","info ","fax_COM3","<- 'OK'"
  ENVIRONMENT
  - GFI FaxMaker
- Analog fax modem
  SOLUTION
  - 
      Check the phone cable and the connections on both sides 
- 
      Ensure the cable is connected to the line jack on the modem 
- 
      Test the connection with a different cable 
- 
      Connect a telephone to the cable and check the dial tone 
- 
      If the modem is behind a PABX, the dial tone might be of a different frequency and recognized as an error by the modem - 
          Check if you can change the internal dial tone in the PABX 
- 
          If the dial tone cannot be changed, it may be necessary to change the initialization string of the modem (note: in some countries you are not allowed to use certain settings) 
 
- 
          
- 
      Check the modem driver version 
- 
      Check the modem firmware version 
- 
      As a workaround: disable the option "Wait for dial tone" in the GFI FaxMaker configuration 
  CAUSE
The modem cannot confirm the correct dial tone in a timely fashion manner and reports an error back to the GFI FaxMaker.
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Priyanka Bhotika
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