Telefónica I+D was formed in 1988 to contribute to the technological innovation of its parent company, by performing research and development activities. ID has facilities in Madrid, Valladolid, Barcelona, Huesca and Granada and a subsidiary company in Sao Paulo. TID is active in major areas like: Services creation related to intelligent network and data communications, network and services management and network innovation. TID bases its work on the use of the most advanced and competitive concepts and media. Its artificial intelligence and software engineering experts have skills in formal methods, object oriented design and programming systems, software engineering tools, real time systems, databases and knowledge bases, Artificial Intelligence tool kits, knowledge representation and reasoning, man-machine interface, and software tools for network simulation.