MAJIC JACK IS PLAGUED WITH INFERIOR PERFORMANCE AND THE WORST TECHNICAL SUPPORT I HAVE EVER EXPERIENCED. i AM A PROFESSIONAL WITH OVER 30 YEARS EXPERIENCE IN THE COMMUNICATIONS INDUSTRY AND I HAVE NEVER EXPERIENCED SUCH A FLAWED PRODUCT. THE INITIAL CONCEPT HAD IT BEEN PROPERLY TESTED BEFORE HAND COULD HAVE BEEN GREAT, BUT AS IT IS "STAY AWAY". I WOULD NEVER RECOMEND THIS PRODUCT AS A REPLACEMENT FOR YOUR MAIN TELEPHONE NUMBER. IT IS NON FUNCTIONAL MORE THAN FUNCTIONAL. TECH SUPPORT IS DISASTEROUS. DO NOT LISTEN TO THEM WHEN THEY START... read full review »