Conversations between two parties are seamlessly and transparently escalated into a conversation between multi-parties with minimal user interaction. If the two initial parties are joined to a central focus and a media, a third or more participant is invited to join the conversation. If either of the...http://www.google.com.au/patents/US20080120381?utm_source=gb-gplus-sharePatent US20080120381 - ESCALATION FROM A CONVERSATION TO A CONFERENCE
