One Voice Technologies was an Artificial Intelligence based Natural Language Processing company founded in 1998 and based in San Diego, CA. One Voice was the developer of IVAN , an intelligent personal assistant, which commercially launched in 1999 . Some of the customers for One Voice Technologies are Telefonos de Mexico, S.A.B. de C.V. , Intel Corporation, the Government of India, Fry's Electronics, Inland Cellular, and Nex-Tec Wireless., One Voice launched several intelligent voice based solutions for the PC, telecom, embedded and home control sectors. One Voice's patent portfolio for natural language processing has been referenced by Google, Microsoft and IBM among others. In 2010, One Voice's patent portfolio was acquired by Apple, Inc.