Property sales agents treasures each and every call that comes in at all times of the day. A missed call may mean a missed potential for business. In a meeting or during an appointment, they may have missed some important calls from their important clients or enquiries. To know who these callers are, using a feature called Reverse Mobile Phone Lookup is a great idea. At least you know in advance when the caller comes up again, you will be available and prepared to answer the call in the most professional manner.