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Hang Up with Calling Party Control
Jay Brant • Jun 11, 2014 •
The importance of CPC disconnect in ATA’s.
When a phone hangs up, how does the other end of the line know? Calling party control (also called “forward disconnect” or “CPC disconnect”) is a signal sent from an ATA, phone system or other capable device, telling the line that one of the ends has hung up.
Calling party control is particularly useful in an ATA/analog
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