->     There are modem and telepone connected to my line. If somebody use phone 
-> have "No dialtone" message using terminal program. Does
anybody know how   
-> organize this king of checking in BASIC?   
->     Something like function, which return TRUE or FALSE accordingly to phone 
-> status...   
   
-> Gregory                                       [Node After Thirty]   
    
The message is generated by the modem. So all you have to program your   
computer to do is recognize the string "NO DIALTONE" when it arrives.   
    
INPUT #1, L$  ' file #1 is open to the modem port   
IF L$ = "NO DIALTONE" THEN   
......   
    
Something like that, anyway. I have written similar bits of code to   
make the computer tell the modem to answer the phone when the message   
"RING" arrives.   
    
IF L$ = "RING" THEN PRINT #1 "ATA"   
    
Not difficult.   
    
                         dow   
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