In order to satisfy the legal requirements which are made of the monitoring of telecommunications traffic, means for storing monitoring data (subscribers to be monitored, monitoring users, etc.) and for transmitting messages and indications to the users (police, information services, etc.) are provided...http://www.google.de/patents/US6553099?utm_source=gb-gplus-sharePatent US6553099 - Device for indirectly forwarding messages in data and/or communications networks
