voice processing systems comprising peripheral equipment, namely, enclosures mountable in a 19 inch RETMA rack; filtered air and shock mount drive bays to withstand shock, vibration and wide temperature variations; rack mounts to tightly hold enclosures and thereby prevent sound distortion; electrical power supplies, fault sense and notification boards to monitor internal power supply interruptions, central processing unit malfunctions; fan performance sensors to monitor internal temperature variations; fan performance sensors to monitor internal fan operations; and uninterruptible power supply sensors to detect whether backup power supply for the systems and peripheral equipment are operational