CTC Communications Corp. Licenses Protector 10 From Equinox Information Systems

Nashville, TN — November 15, 2005 - Nashville-based Equinox Information Systems today announced that CTC Communications Corp., the largest competitive telecommunications provider headquartered in New England, has licensed Protector 10.0 for real-time telecom fraud protection. Protector 10 will monitor call traffic on CTC’s PowerPath(R) network, which is comprised of packet-based network technology from Cisco Systems.

Protector 10.0 provides real-time fraud protection by identifying instances in which a customer's actual usage varies from expected usage in a manner that suggests fraudulent activity. The software has allowed hundreds of carriers to reduce fraud losses by distinguishing fraud from legitimate customer usage.

"For voice and data, CTC demands especially stringent security safeguards in our IP+ATM packet network," said John Bouthiette, Vice President, Information Services, CTC Communications. "Network and data integrity are extremely high on our agenda. We chose Protector 10 because it meets the high quality standard we require of fraud prevention resources."

"We are extremely excited to play a key role in protecting CTC from fraud," stated David West, Equinox Executive Vice President. "Our experience with other companies like XO Communications and PAETEC Communications gives us confidence that CTC will also be able to successfully leverage Protector 10.0 to reduce telecom fraud."

About CTC Communications
CTC Communications is a leading integrated communications carrier providing business customers from Maine to Maryland with a full range of converged voice, data and Internet services, dynamically allocated on a next-generation, all-IP packet-based network. The company serves small, medium and larger business customers. CTC’s Cisco-powered IP+ATM packet network runs over a fully managed and CTC-owned fiber optic network. CTC has provided cost-effective communication solutions since 1981 and is today part of Columbia Ventures Corporation’s worldwide family of businesses. Visit CTC Communications online at www.ctcnet.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 mediation, fraud detection, CDR and switch administration, and network management, as well as custom application development. For more information, visit Equinox at www.equinoxis.com.