Home FAQ 105. Can we change our standard SF mobile field to a custom field? If yes, can we still map this to send SMS’s? You can map standard as well as custom mobile fields to pick the mobile number from, while Sending SMS. Previous 104. Can partner community users use SMS-Magic Converse and, if so, what permissions do they need? Next 106. Is it possible for our users to create an out of office auto text response if they are going to be away from the office for a period of time?