Sangoma and Grandstream Networks Complete Interoperability Testing Enabling End-to-End VoIP Solutions

Markham, ON (PRWEB) January 24, 2007

Sangoma Technologies Corporation (TSXV: STC) (http://www.sangoma.com), a leading manufacturer of connectivity hardware and software products for VoIP, TDM voice, WANs, and Internet infrastructure and Grandstream Networks, Inc. (http://www.grandstream.com), a leading designer and manufacturer of next generation IP Voice and Video products for broadband networks announced today the two firms have completed interoperability testing between the Grandstream SIP Enterprise Phones and the Sangoma AFT series of cards: A101, 102, A104 and A108 PCI and PCI Express cards.

"Sangoma is one of the leading suppliers of TDM and analog connectivity hardware solutions for open source telephony applications, such as Asterisk™," says David Li, CEO of Grandstream Networks. "The successful completion of our interoperability testing with Sangoma's TDM cards validates our commitment for compatibility with all PC-based VoIP solutions."

"Proven compatibility with Grandstream Networks IP voice and video products enables us to extend our presence in the VoIP market," adds Sangoma Technologies President and CEO David Mandelstam. "Businesses today continue to look for a one-stop, interoperable solution that meets all their VoIP needs. Deploying Grandstream SIP phones with our award-winning cards eliminates user concerns about compatibility issues. We are confident that our entire line of TDM cards combined with Grandstream SIP phones will provide a powerful and affordable IP solution for the open-source market."

About Grandstream Networks

Grandstream Networks, Inc. is an award-winning designer and manufacturer of next generation IP voice & video products for broadband networks. Grandstream's products deliver superb sound and picture quality, rich telephony features, full compliance with industry standards, and broad interoperability with most service providers and 3rd party SIP based VoIP products. Grandstream is consistently recognized in the VoIP industry for their innovation, affordability and superior value in their products. Grandstream Networks is a private company headquartered in Brookline, MA with offices in Los Angeles, Dallas and China. For more information, please visit http://www.grandstream.com.

About Sangoma Technologies Corporation

Founded in 1984, Sangoma Technologies Corporation is a leading manufacturer 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).

Grandstream Networks Contact:                                                

Marianne Rocco                                                                            

Grandstream Networks                                                        

(617) 566-9300

mrocco @ grandstream.com

Sangoma Technologies Contact:

Sheldon Rose

Sacke & Associates Inc.

416.493.5723, ext. 202

sheldonr @ sackepr.com

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