When delivering campaign messages, sometimes you might want to determine "Success" or "Failure" without responses from the contact, for reporting purposes. At the top of the Acknowledgement tab, there is a checkbox option to help facilitate this - Auto acknowledge upon answer.
If you wish to choose the Auto acknowledge upon answer option, place a checkmark in that checkbox. Now, when a contact is being executed, if the call is "answered" in any way, whether that is a person physically answering the call, or a voicemail service picking up the call, the delivery attempt will be marked as a "Success" for reporting purposes.
Note: For the Auto acknowledge upon answer option, if a contact answers the call and proceeds to follow the prompts, presses the required digits, the call can not count as a "Success" twice, but it will capture the digit they pressed for reporting purposes.
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