Service resource items (49) for use in call setup in a telephone system are held on servers (58) that are connected to a computer network which is logically distinct from the telephone system infrastructure; this computer network may, for example, make use of the Internet. Each service resource item...http://www.google.de/patents/US7012916?utm_source=gb-gplus-sharePatent US7012916 - Method and apparatus for accessing communication data relevant to a target entity identified by a number string
