Thumb Cellular Licenses Collector AFT/EIU for Nortel DMS MTX Cellular Switch

Nashville, TN ó January 16, 2007 - Nashville-based Equinox Information Systems today announced that Thumb Cellular, a wireless voice and data provider in Michigan, has licensed Collector AFT/EIU. Thumb Cellular selected the Collector AFT/EIU mediation system to automate its usage records transmission process. The software, which downloads usage records in real-time by using the Automatic File Transfer process via an Ethernet Interface Unit, interfaces seamlessly with Thumb Cellularís Nortel DMS MTX cellular switch.

"After researching various mediation systems, we concluded that Collector AFT/EIU was the best fit for us given the software's flexibility and features," explained Colleen Forman, Network Manager for Thumb Cellular.

Collector AFT/EIU provides real-time delivery of usage records and supports a number of switch types and communication protocols including X.25, TCP/IP, and file transfer protocol (FTP).

"This software purchase represents an important step in initiating a strong customer relationship with Thumb Cellular," said David West, Executive Vice President for Equinox. "I am confident that Collector AFT/EIU will be an asset to Thumb Cellular for many years to come."

About Thumb Cellular
Based in Pigeon, Michigan, Thumb Cellular Limited Partnership is the B-side cellular service provider for MI RSA 10. The company provides wireless voice and data services to Huron, Tuscola and Sanilac counties in the Thumb of Michigan. Founded in 1990, Thumb Cellular is a locally-owned company that is dedicated to the highest customer service, superior coverage, and the latest services that create value for its customers. For more information, please visit www.thumbcellular.com.

About Equinox
Founded in 1986, with hundreds of customers worldwide, Equinox Information Systems is a global provider of software solutions for the telecommunications industry. Providing a full range of software applications, which are backed by exceptional customer support, the company offers solutions in areas critical to profitability and network efficiency, including revenue assurance, fraud management, mediation, network analysis, and custom application development. For more information, visit Equinox at www.equinoxis.com.

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