Business Answering Service - Callstar?s Business Answering Service is a cost effective way to handle business at only a fraction of a cost of a receptionist with better results. Our outstanding operators are always available when yours is not. We become a seamless extension of your business. All of your callers are greeted by knowledgeable, courteous and helpful operators that treat each call like it?s their first call of the day. We offer custom, out of the box solutions, live business answering service that will make your callers more at home. Use our answering service as needed: overflow peak periods, part-time or full-time, after hours, 24/7 and even 365 days a year.