This document provides frequently asked questions about InterCall Reservationless-Plus (Res-Plus), an operator-free audio conferencing solution. Res-Plus allows hosting conferences of up to 125 participants without reservations. Key details include how to schedule, start, and join a conference; accessing dial-in numbers and PINs; using phone keypad commands during a call; and optional recording features. Technical support is available by pressing *0 or 00 during a conference.