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Can the system distinguish between reaching a live recipient and reaching an answering machine or voice mail?

April 26, 2017distinguish live Machine mail REACHING recipient system Voice

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Can the system distinguish between reaching a live recipient and reaching an answering machine or voice mail?

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The system employs Call Progress Analysis, which distinguishes a live recipient from an automated answering service. (The distinction is either made by recognizing recipient speech at the start of the call, through recipient interaction, or through recognition of an answering service beep.) The service also recognizes all Special Information Tones (such as busy signals). All such statuses are noted in real time (with time stamps) in the message detail (while a message is in progress), and final statuses are retained indefinitely in message history.