Two-way interactive short message system with personalized messaging menus that provide WAP like services at less cost than CSD. Mobile Originated Interactive Menus are implemented as a feature of a Short Message Service Center (SMSC). Each option guides either to the next menu level, or to a final action...http://www.google.com/patents/US7127264?utm_source=gb-gplus-sharePatent US7127264 - Mobile originated interactive menus via short messaging services