Calling Party Control (Cpc) Signal Detection - Panasonic KX-TAW848 Features Manual

1.10 Conversation Features
Installation Manual References
Installation Manual
2.6.2 Parallel Connection of the Extensions

1.10.9 Calling Party Control (CPC) Signal Detection

Description
The Calling Party Control (CPC) signal is an on-hook indication (disconnect signal) sent from
a CO line when the other party hangs up. To maintain efficient utilization of CO lines, the PBX
monitors each line's status and when CPC signal is detected on a line, the PBX disconnects
the line and alerts the extension with a reorder tone.
Conditions
• CPC signal detection is programmable for incoming CO line calls (
Detection Time—Incoming [414]), and for outgoing CO line calls (
Detection Time—Outgoing [413]).
• If your telephone company sends signals similar to CPC, it is recommended not to enable
CPC signal detection on outgoing CO line calls.
• If CPC signal is detected during a conference call (
disconnected. The remaining parties stay connected.
• If CPC signal is detected during a call between a caller using the Direct Inward System
Access (DISA) feature (
or an outside party, the line is disconnected.
88 Feature Guide
1.15.6 Direct Inward System Access (DISA)) and an extension
LCOT CPC Signal
LCOT CPC Signal
1.13.1.2 Conference), the line is