Sorry about the last post. This one might be easier to read. Actually, I would agree that most of the time h/w is the best option, but for 8 or less channels that you will be using with Digium's TDM800P either choice would work. The main consideration is the amount of CPU power that your system has. The hardware echo cancellation module and the HPEC (High Performance Echo Cancellation) software use the same algorithm. Either way you will be using the same AT&T certified, toll-quality, G.168 compliant echo canceller. The main reason to use the VPMADT032 h/w based solution is because it is immune from any system CPU spikes that might otherwise affect a software-based solution.
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