NEWS RELEASE

Contacts:
Sheldon Rose
Sacke & Associates Inc.
416.493.5723, ext. 202
sheldonr@sackepr.com

SANGOMA’S DAVID MANDELSTAM TO KEYNOTE
THIRD ANNUAL VOIP DEVELOPER CONFERENCE

TORONTO – July 19, 2006 – TMC, the organizers of the third Annual VoIP Developer Conference (www.voipdeveloper.com), has announced that Sangoma Technologies’ president/CEO, David Mandelstam, will deliver a keynote address.

To be held August 8-10, 2006 at the Hyatt Regency in Santa Clara, CA, Mandelstam will speak Wednesday, August 9th at 9:10 am. His address is open to all registered attendees.

“Sangoma is a true pioneer in the IP Communications industry, so I am thrilled to have its president/CEO and founder deliver a keynote address at the VoIP Developer Conference,” says Rich Tehrani, TMC president and conference chair. “I believe his knowledge of the market will prove invaluable for those attendees who are looking for the latest information and insight into where the communications market is heading.”

“Being invited to speak at this prestigious conference is proof positive that our open source PCI solutions are now being recognized by the voice market worldwide,” adds Mandelstam. “I look forward to telling delegates about the real trends that SMBs and enterprises are now beginning to follow en-route to adopting a PC-based/open source PBX solution.”

VoIP Developer Conference is the only conference in the world this year, 100 per cent dedicated to educating pioneers building the next-generation of telecom applications. In addition to Sangoma’s keynote address, the show features three days of conferences, networking opportunities, and an Exhibit Hall featuring all of the latest VoIP development tools.

About Sangoma Technologies Corporation
Founded in 1984, Sangoma Technologies Corporation is a leading provider of connectivity hardware and software products for VoIP, TDM voice, WANs and Internet infrastructure. The company develops and manufactures voice and data communication products including the industry-leading series of Advanced Flexible Telecommunications (AFT) PCI cards. Sangoma Technologies Corporation is publicly traded on the TSX Venture Exchange (TSXV: STC - News).