9 central office telecommunications switching systems comprised of host switches, local subscriber switches, remote subscriber switches and remote subscriber terminals used to route and interconnect local, national and international voice and data connections between residential, business, financial, commercial and governmental organizations worldwide; and related components, namely integrated voice systems in the nature of a computer with T-1 or E-1 interfaces to a central office switch, which provides electronic voice messaging, fax mail, intercept messages, announcements, and other related interactive services