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Call One, located in Chicago, provides telecommunications services. The company offers various services, such as local and long distance telephony, and equipment and wiring services. Its local services include call restriction, and analog and digital circuits. Its local telephony features include alternate answering, automatic callback, line transfer, call forwarding, call waiting, caller ID, message waiting indicators, multiring service, remote call forwarding, repeat dialing, speed and three-way calling. Analog circuits are available for alarm monitoring, private lines, off-premise extensions and other requirements. Its long distance services include domestic outbound switching, international switched, 800 inbound switched and calling card services. Call One offers an electronic bill presentation system and its features, such as multiple account management, and it also provides account summary and call detail reports.