A method and apparatus for session layer framing for interoperability between packet-switched systems is described. The method includes the steps of: generating (1210) a communication frame at the session layer including a plurality of fields; providing (1220) for a payload field in the plurality of...http://www.google.se/patents/US20060023747?utm_source=gb-gplus-sharePatent US20060023747 - Method and apparatus for session layer framing to enable interoperability between packet-switched systems