Joseph A. Crupi named president and CEO of TelogyNetworks.

GERMANTOWN, Md.--(BUSINESS WIRE)--July 1, 1997--Telogy Networks Inc.(R), the leading developer of embedded software for voice over packet and wireless applications, announces the appointment of Joseph A. Crupi as president and CEO.

Crupi has served Telogy Networks as executive vice

"We brought Joe Crupi into the company 16 months ago and during this time, Joe has contributed significantly to our growth," said Tom Scholl. "I look forward to my new role as vice chairman of Telogy's board of directors, and I am confident that under Joe's leadership, Telogy will capture a major share of the exploding market for embedded software."

"We have great people at Telogy and the market opportunity is tremendous," said Joe Crupi. "With Telogy Networks' unique Embedded Communications Objects(TM), we will lead the industry in developing truly interconnected products.

"We are off to a great start with our award-winning Golden Gateway(TM) Voice over Packet products, and soon we will introduce equally terrific products for the wireless market. As president and CEO, I will continue the company's strong product development initiatives, expand our marketing and sales staff, and build a world-class customer support team for our products."

While EVP and COO of Telogy Networks, Crupi championed the development of the Golden Gateway product line and expanded Telogy's marketing and sales team. Prior to joining Telogy, Crupi worked at AT&T from 1978 through January 1996. After joining AT&T in 1978 as Member of Technical Staff, Crupi was ultimately promoted to the position of vice president of Global Business Multimedia Services for AT&T Business Communication Services.

During his tenure at AT&T, Crupi had a wide variety of managerial responsibilities, including operational marketing, sales, product development, engineering and manufacturing. Crupi received a Master of Science degree in Management as an Alfred P. Sloan Fellow at the Sloan School of Management of the Massachusetts Institute of Technology. He received his Bachelor of Science and Master of Science degrees in Electrical Engineering from Polytechnic Institute of New York.

About Telogy Networks

Telogy Networks specializes in embedded software products for equipment manufacturers in the broadband and wireless markets. Telogy's products are developed utilizing the company's Embedded Communications Objects(TM) ("ECOs(TM)"). ECOs are self-contained, highly integrated software and hardware modules that are portable across different software and hardware platforms, thereby providing rapid application solutions.

Telogy Networks is one of the few companies with both world class microprocessor and DSP expertise under one roof. The company's new Golden Gateway(TM) Voice over Packet product suite has received several "Best of Show" awards from leading industry publications. Telogy has also been recognized with "Fast 50" and "National Fast 500" growth awards by national business associations and publications.

Telogy Networks' customers include many of the world's leading telecommunication and datacommunication companies. Founded in 1989, Telogy Networks is headquartered in Germantown, Maryland, with European headquarters in Munich, Germany. Company news and product information is available at World Wide Web site http://www.telogy.com .

CONTACT: Telogy Networks, Germantown

Lynn Anne Miller

Director, Marketing Communications

301/515-6618

lmiller@telogy.com

or

RMR Associates, Rockville

Tara Noren

Press Liaison

301/217-0009 ext. 28

tnoren@rmr.com