SAN FRANCISCO & MARKHAM, Ontario –Oct. 31, 2005–Signate, the leading provider of VoIP telephony solutions that combine high performance hardware and open source software, and Sangoma Technologies Corporation (TSX VENTURE:STC) a leading provider of connectivity hardware and software products for VoIP, TDM voice, WANs and Internet infrastructure, today announced that Signate has certified Sangoma’s A104 AFT T1/E/J1 card for use in Signate’s Telephony Server 5000(TM).

“A single module of Signate’s Telephony Server 5000 easily handles 276 calls from a dozen T1s with three of our A104 AFT T1/E/J1 voice/data cards,” said David Mandelstam, president and Chief Executive Officer of Sangoma Technologies. “That leaves plenty of horsepower for SIP calls and other Class 5 services.

“Our engineering capabilities with this card and others to shortly follow raises the bar for our competitors, and offers a new price/performance standard unparalleled in our industry,” adds Mandelstam. “We continue to take major steps into the Open Source VoIP arena, bringing new products to market and setting solid examples others are now following. Having Signate certify our hardware demonstrates real industry trust.”

Signate’s Telephony Server 5000 is the industry’s first high performance PBX or softswitch built for the open source PBX environment, rated at 2500 simultaneous SIP calls per module. Sangoma’s A104 provides full speed 132 Mbps PCI bus transfer with hardware echo cancellation to unload the host CPU in demanding PBX/IVR voice applications.

“We chose Sangoma’s product because they are best in class, with enterprise grade cards that are engineered to share interrupts properly between themselves and other PCI compatible devices, so we can use multiple cards in each chassis,” said William Boehlke, Signate’s Chief Executive Officer.

About Signate

Signate is a leading global provider of design, installation, configuration, training and management services for open source VoIP telephony systems. For more information, visit Signate at www.signate.com.

About Sangoma Technologies

Founded in 1984, Sangoma develops and manufactures wide area network (WAN) communication hardware and software products, with an emphasis on the PC platform. The communications solutions, voice, data and video gateways support all popular WAN networks, line protocols and all standard PC operating systems and platforms including Linux, Windows, FreeBSD, Sun Solaris, NetWare and DOS. Sangoma Technologies Corporation is publicly traded on the TSX Venture Exchange (TSX VENTURE:STC). www.sangoma.com

Trademarks are the property of their respective holders.