Campbell, Calif., May 1, 2007 - Sylantro Systems Corp., the leading supplier of feature servers for hosted VoIP services in carrier networks, today announced that John Trobough has joined the company as senior vice president of solutions, a newly formed group encompassing all aspects of Sylantro product development, product management and life cycle management. Trobough comes to Sylantro with a distinguished career in the telecommunications industry, where he has a strong track record delivering a wide range of product and solutions offerings. At Sylantro, he will create and define the company's end-to-end product solution, from concept to roadmap through deployment.

Most recently Trobough served as the vice president of Openwave Systems' mobile infrastructure and solutions business unit, where he was responsible for product management, product marketing and field product management. Prior to that Trobough co-founded Gravitate Inc., a wireless software company in the commercial middleware space, which was acquired in 2001. He also held product marketing and sales management positions at Qwest Communications and McCaw Cellular Communications.

"Sylantro is at the nexus point in the network where convergence between various mobile and broadband networks will interact," said John Trobough, senior vice president of solutions, Sylantro Systems. "This puts Sylantro in a position not only to enable what the industry means by 'Convergence Voice Service,' but to also take a leadership position in defining those end-user solutions and enabling both mobile and broadband carriers to create enhanced voice revenue streams that will more tightly integrate with various data services."

"John brings strong experience in the solutions market, scaling businesses and a customer-centric approach to technology development," said Marco Limena, president and CEO, Sylantro Systems. "His understanding of mobility, messaging and convergence around end-user services are all consistent with our strategy for growth, making him a great addition to our team."

Trobough graduated from Washington State University with a BA in business administration and is a frequent speaker at industry events such as CTIA and 3GSM. He also serves on the advisory board for Vocel Communications.

About Sylantro Systems Corp.
Sylantro Systems provides the premier software platform for business, consumer, and mobile hosted VoIP solutions. Sylantro allows network operators to rapidly deliver high value, high margin managed telephony services without the cost and complexity of today's in house PBX and key systems, giving users new flexibility in their communication services. Sylantro customers include AT&T, Bandwidth.com, China Netcom, China Unicom, Covad, KT, StarHub, SunRocket, and Swisscom. Sylantro is headquartered in Campbell, Calif. For more information, please visit the Sylantro website: www.sylantro.com.

* Sylantro is a registered trademark of Sylantro Systems Corporation. All rights reserved. All other products and brands mentioned are trademarks and/or service marks of their respective owners.