Products › Telephone & remote broadcast › CP-2
CP-2
Stand-alone call progress decoder
Makes any auto-answer device hang up properly on PBXs and lines that don't send an end-of-call signal. It listens for dial tone or busy and breaks the line when it hears them.
$240 list price
Questions before you buy? Call 352-335-6555. Need help with one you own? Open a ticket.

What connects to it
- 2RJ-11 jacksWall and phone device
- 2LEDsCPC and power
- 1Delay controlAdjustable before hang-up

How it works
When the caller hangs up and the line returns dial tone or busy, the CP-2 breaks the connection so your coupler drops the call.
- Phone lineDial tone or busy after the caller hangs up

CP-2
- Detects dial tone, busy or any call progress tone
- Adjustable delay
- Line breakForces the device to hang up
CP-2
Stand-alone call progress decoder
Makes any auto-answer device hang up properly on PBXs and lines that don't send an end-of-call signal. It listens for dial tone or busy and breaks the line when it hears them.
Questions before you buy? Call 352-335-6555. Need help with one you own? Open a ticket.

What connects to it

How it works
When the caller hangs up and the line returns dial tone or busy, the CP-2 breaks the connection so your coupler drops the call.
Inputs: Phone line (Dial tone or busy after the caller hangs up). The CP-2: Detects dial tone, busy or any call progress tone; Adjustable delay. Outputs: Line break (Forces the device to hang up).
Features
- Detects standard busy and dial tone; an alternate setting detects any call progress tone
- Breaks the line to the connected device, forcing it to hang up
- Works with telephone devices from any maker, and with 1A2 key sets
- Two RJ-11 jacks: one to the wall, one to the device
- Adjustable detection delay prevents false hang-ups
- LEDs for CPC (wink) and power
- Jumper-set CPC length
- Custom single call progress frequencies available
- Two-year warranty
More about the CP-2
Many PBXs and a few phone company offices don't drop the line current at the end of a call, so couplers never hang up. The CP-2 listens for the dial tone or busy signal that follows and disconnects the device for you.
Manual and downloads
- CP-2 manual (PDF)
- Data sheet (PDF)
Every manual and download is also on the Support page.