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Old 08-04-2016, 08:28 AM
thiel2 thiel2 is offline
Genius
 
Join Date: Apr 2013
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You've probably lost dial tone from the phone company on that line, thus the system has busied it out. Check the line where it connects to the control unit, and trace to the phone company's demarc. If no dial tone, contact the phone company for repair.
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