A message processing and forwarding system for processing electronic messages in a digital format received over a computer communication path or network, and forwarded over a telephone circuit switched network to a user's receiver, such as a pager. A content processor in a message server processes the...http://www.google.com.tw/patents/US6073165?utm_source=gb-gplus-share專利 US6073165 - Filtering computer network messages directed to a user's e-mail box based on user defined filters, and forwarding a filtered message to the user's receiver
