A system and method for automatically and seamlessly routing telephone calls across a telephone network. The system includes a telephone switch having a computer, a master file and client file stored in the computer. The master file is dynamically linked to the client file at routing time to produce...http://www.google.es/patents/US5848131?utm_source=gb-gplus-sharePatente US5848131 - Automatic information and routing system for telephonic services
Automatic information and routing system for telephonic services
