Cincinnati Bell, Inc. (CBB), headquartered in Cincinnati, Ohio, is a diversified communications service provider formerly known as Broadwing, Inc. The company, which has been in existence since 1873, was originally part of the Bell System, and it was partly owned by AT&T, prior to the divestiture in 1984. As the incumbent local exchange carrier for the Cincinnati metro area, Cincinnati Bell provides a diverse array of communications services to residential and business customers, including local phone service, long distance, Internet access, and wireless. After an ill-fated foray into the national fiber optic network business, Cincinnati Bell sold off its broadband network construction unit to Corvis (in June 2003). Prior to the second quarter of 2007, Cincinnati Bell conducted its business through four segments: Local Services (which generated 57% of revenue in 2006), Wireless (20%), Technology Solutions (17%), and Others (6%). The others segment included revenues from long distance, security monitoring and payphone operations.

Starting from the second quarter, management realigned its business segments as Wireline, Wireless, and Technology Solutions.

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