The present invention provides a method and apparatus for specifying and obtaining services through audio commands, resulting in a live conversation between a user and a selected service provider using an audio-transmission medium (the telephone). A service seeker locates a service provider by entering...http://www.google.com.au/patents/US7475149?utm_source=gb-gplus-sharePatent US7475149 - Apparatus and method for specifying and obtaining services through an audio transmission medium
