Valet *4 parking requires "Attended" transfer. Normal *3+park slot (which can be just 1 digit) is done via Blind transfer. If you have Buttons available on the phones, I like to place "Call Park" "normal" keys on phones for customers. This allows them to place calls into park slots easily, as well as pickup parked calls easily, and also they get a visual of a call is parked...I/e they don't forget about it. (I know the system will ringback after a certain amount of time in the park slo