A jitter buffer receives a plurality of data packets comprising a circuit emulation service over internet protocol (CESIP), buffers the plurality of data packets, and plays data from the plurality of data packets at a constant bit rate corresponding to the CESIP....http://www.google.de/patents/US7170856?utm_source=gb-gplus-sharePatent US7170856 - Jitter buffer for a circuit emulation service over an internet protocol network
