1. Check to make sure the correct modem is selected in the dialer.
   
   
2. Make sure there are not multiple modems installed.
   
   
3. Uninstall and reinstall the modem.
   
   
4. Make sure that no other programs are using your modem. Fax software, Supervoice, etc...
   
   
5. Ctrl-Alt-Delete, if you see RNAAPP loaded, then double click it to close the program.
   
   
6. Refer to OEM.
   
   

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