We needed to be certified to keep selling/supporting the phone systems we do, so I took the test and got it over with today. It was actually a bit more tricky than I expected. There were also a surprising number of grammatical errors. I know I'm not the best in that regard, but it was a bit confusing.
You can read more about it here:
http://www.3com.com/support/en_US/training/certified_IP_telephony_expert.html
Just another notch on my belt.