A system that includes a computer device and a user interface. The user interface is configured to enable a user to interact with a person using one of at least two of voice conversation, voice-video conversation, graphic text-based conversation, fax, and electronic mail. The interactions can include...http://www.google.fr/patents/US20050125541?utm_source=gb-gplus-shareBrevet US20050125541 - Integrating multiple communication modes
