A method and apparatus for routing calls in a switched digital network and a processor for use in such a network are provided in which tables of call control information store information for different categories of call control information in separate parts of the table or in separate tables. The information...http://www.google.de/patents/US5442691?utm_source=gb-gplus-sharePatent US5442691 - Method and apparatus for call routing in switched digital networks using call control tables
