A method and apparatus for allocating call resources during a conference call are disclosed. A conference call between a plurality of clients is conducted on a first call resource. The clients communicate media streams to the first call resource for mixing. A media gateway identifies a second call resource...http://www.google.com/patents/US7003086?utm_source=gb-gplus-sharePatent US7003086 - Apparatus and method for allocating call resources during a conference call
