ADVERTISEMENT AND INFORMATION SERVICE TECHNIQUE USING RING BACK TONE OF WIRE TELEPHONE

摘要

PURPOSE: An advertisement and information service technique using a ring back tone of a wire telephone is provided to improve the quality of life by providing an advertisement and information using a time from a dialing to the conversation with an object. CONSTITUTION: A ring backtone is replaced as an advertisement and information providing service after the dialing for improving the quality of life by providing an advertisement and information using a time from a dialing to the conversation with an object.