The latest version of Newfies-Dialer, currently in Beta is soon to be released. In addition to major enhancements to the survey functionality, we have also added AMD (Answering Machine Detection).
AMD allows Newfies-Dialer to detect whether the contact answering the phone is a real person answering the call or whether it is a voicemail message.
If the AMD module detects voicemail, then it will listen for the “record-your-message-now” beep and play the message to be left on the contact’s voicemail when recording starts.
For more details and costs of providing and installing the AMD module on your Newfies-Dialer platform are described at http://www.newfies-dialer.org/add-ons/voicemail-detection/