A method and apparatus provide a service for permitting parties to engage in instant messaging and to allow parties so engaged to initiate a separate telephone call which may be billed. According to one method a server, referred to as a Phone Web server acts as an interface between a computer user and...http://www.google.de/patents/US20020071539?utm_source=gb-gplus-sharePatent US20020071539 - Method and apparatus for telephony-enabled instant messaging
