The CPC-1 will generate a Calling Party Control (CPC) disconnect signal on a PABX analog station (or any other line that does not provide this signal). A CPC signal is a momentary break in phone line loop current which is used to signal automated telco equipment (ie. voice mail call sequencers etc. ) the distant party has hung up. Central Office telephone lines typically provide this signal but Analog PABX stations do not. The CPC-1 will generate a 1 second disconnect when it detects a busy signal reorder tones (fast busy) return to dial tone or silence. FEATURES: - Phone line powered (no AC needed) - Generates CPC disconnect on: - Return to dial tone (programmable) - Busy signal - Reorder (fast busy) - Steady silence (programmable) - LED shows: - In use - Audio detected - Generated CPC signal - Caller ID compatible