1. Make sure the number they are dialing into is correct. Check dial prefixes, long distance, etc.
   
   
2. If they get a modem tone it may be a modem issue. Check for updated drivers and try inits.
   
   
3. Try the number, is it busy? Is there a POP problem?
   
   
4. Is RNAAPP getting stuck? If so, press CTRL+ALT+DELETE and double click RNAPP to close the program.
   
   

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