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/US7760865?utm_source=gb-gplus-sharePatent US7760865 - Escalation from a conversation to a conference
