IWATSU AMERICA INC. AFTER 32 YEARS WITH THIS PRODUCT I HAVE TO SAY IT IS THE BEST ENGINEERED, MOST TROUBLE FREE SYSTEM I HAVE EVER HAD THE PRIVALIGE TO INSTALL. NOW THAT WE ARE ALL THINKING ABOUT THE NEW BUZZ WORD- I P TELEPHONY-IWATSU IS AGAIN LEADING THE WAY BY MAKING THEIR CURRENT PRODUCTION EQUIPMENT COMPLIANT WITH THIS NEW TECHNOLOGY WITHOUT OBSOLETING THEIR CURRENT SYSTEMS. CHECK OUT THEIR WEB SITE BUT COME HOME WHEN YOU ARE READY TO BUY!!!! HOW RELIABLE IS THE IWATSU EQUIPMENT? LOOK AT THEIR MEAN TIME BETWEEN FAILURE CHART.