Beep Detector Strategies

There are two ways one could program the beep detector:

1. On Connect, play the human message. If a beep is detected, quickly play the machine message.

Advantages

- - Message starts immediately – even sometimes while they are still saying hello
  - Highly accurate – large percentage gets the message
  - Verizon Voice Mail problem SOLVED.

Disadvantages

- - There is some small noise recorded on the customer’s answering machine from the play of the human message at the beginning of the machine message.
  - If the beep detector doesn’t catch the beep, the first part of the message is cut off on the answering machine recording
  - If there is a false beep detected, the message would start over.

2. Use Call Progress Analysis. If Human – play message waiting for beep. If Machine – wait for 3 seconds of silence or start on beep.

Advantages

- - No Artifacting
  - On inaccurate Human detected – beep saves the day (Artifacting would be present)
  - Verizon Voice Mail problem SOLVED.

Disadvantages

- - On human, if false beep detected – Message would stop and machine message would play.

**Beep Detector Result Analysis**
	Beep Detected Accurate	Beep Detected Inaccurate	No Beep Accurate	No Beep Inaccurate
Human Accurate	N/A	This is bad. The message would be interrupted and the machine message would start playing.	Perfect	N/A
Human Inaccurate	Good. The machine message would play. May be some short artifacting.	N/A	N/A	Bad. The message would not be recorded correctly on the machine.
Machine Accurate	Perfect.	N/A	N/A	The message would start after 3 seconds of silence. May be a problem on Verizon Voice Mail.
Machine Inaccurate	N/A	If the human message had started after 3 seconds of silence, then the message would be restarted.	The human message would start after 3 seconds of silence. The user might have hung up by then.	N/A

For more information on Beep Detection and Call Progress:

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