A method and apparatus are described for ensuring a real-time connection between users and selected service providers using voice mail. The system enables seekers of a wide array of services to select, contact, converse, and pay for a service provider using a communications device such as the telephone....http://www.google.com.tw/patents/US7289612?utm_source=gb-gplus-share專利 US7289612 - Apparatus and method for ensuring a real-time connection between users and selected service provider using voice mail