A method and apparatus for packetizing data framed as a TDM stream as an Ethernet packet. In an embodiment, the data is packetized into an Ethernet frame having a header which includes information which indicates an appropriate time at which to write the data into an outbound TDM stream....http://www.google.de/patents/US6999450?utm_source=gb-gplus-sharePatent US6999450 - Ethernet based TDM switch
