Destia Communications Selects MGTS Sentinel, Tekelec's SS7 Surveillance and Monitoring System

Business Wire, March 25, 1999

MORRISVILLE, N.C.--(BUSINESS WIRE)--March 25, 1999--Tekelec (Nasdaq: TKLC) announced today that Destia Communications, Inc., formerly known as Econophone, has selected Tekelec's MGTS Sentinel for surveillance, monitoring, and maintenance of its Signaling System 7 network. Based in Paramus, N.J., Destia Communications is an international, facilities-based telecommunications company.

Destia Communications is deploying MGTS Sentinel at two domestic locations (Chicago, Ill., and Dallas, Texas) and two international locations (Berlin and Frankfurt, Germany) to cover its network surveillance and diagnostic requirements.

According to Tom Karins, engineering manager, Destia Communications, "Tekelec's MGTS Sentinel enables us to monitor our entire SS7 network from a single platform. It also provides tools for proactive testing, allowing us to identify and correct network problems upstream."

Danny Parker, vice president and general manager of Tekelec's Intelligent Network Diagnostics division, adds, "Destia Communications joins a rapidly growing number of telecommunications service providers that are utilizing MGTS Sentinel to expand and improve the quality of their services and, at the same time, reduce their operating costs."

Destia Communications, headquartered in Paramus, N.J., owns and operates a carrier-grade digital network in the United States and Europe. The company has sustained exceptional growth since it was founded in 1992 with a strong emphasis on technological innovation and a low-cost structure that enables Destia to offer extremely competitive pricing while maintaining outstanding quality. Visit Destia Communications at http://www.destia.com .

Tekelec is a leading supplier of innovative network switching solutions and advanced diagnostic systems that enable rapid delivery of advanced communication products and services for the global communications marketplace. Tekelec's Eagle platform is designed to meet the complex requirements of the converged IP/SS7 network and traditional SS7 networks, enabling wireline, wireless, and IP network operators to deliver intelligent network services. Tekelec's diagnostic systems are used by communication suppliers and service providers to design, install, and maintain their communications equipment and networks.

EAGLE is a registered trademark of Tekelec. MGTS Sentinel is a trademark of Tekelec. Visit Tekelec's web site at http://www.tekelec.com .