> I recently was able to run some tests on call density myself. > > I was using a Dual Processor Xeon 3.06GHz system with 4 4-port T1 > cards > installed (for a total of 16 t1 ports) Not sure to understand, but what kind of 4-port T1 cards do you use ? IIRC, Zaptel have a limitation of ~250 channels ? -- Joel Vandal