Nortel Networks proprietary hardware that processes the voice and data signals that arrive from the switch. An MPC can be in one of the following forms:
embedded on an MPB16-4 board
embedded on the motherboard of an IPE (200i or 201i) server
a removable MPC-8 card that is inserted into an MPB board or IPE (200i or 201i) server
Each MPC contains one embedded DSP and provides eight multimedia processing units (MPUs).