TORONTO, ONTARIO -- (MARKET WIRE) -- 04/02/2007 -- Sangoma Technologies Corporation (TSX VENTURE: STC) (http://www.sangoma.com/), a leading provider of connectivity hardware and software products for Asterisk™ based solutions including VoIP, TDM voice, WANs and Internet infrastructure, has now released the A101D single port E1/T1/PRI card with carrier-grade echo cancellation (http://www.sangoma.com/datasheets/p_a101-specs)

The A101D supports the same digital processing and highly-compatible PCI and PCI Express interfaces as the company's other popular AFT-based family of telephony cards. It provides the benefits of hardware-based echo cancellation and voice enhancement for smaller, single-port T1/E1 installations. The A101D also supports DTMF encoding/decoding and tone recognition, voice quality enhancement and adaptive noise reduction.

"Our A101D is the industry's first affordable single port T1/E1 card with echo cancellation and was developed in response to the continuing market demand for a small capacity, low-cost E1/T1 card," says Sangoma Technologies president and CEO David Mandelstam. "As an integral part of Sangoma's AFT design family, the A101D inherits the compatibility, enhanced performance and reliability of its siblings."

Distinctive A101D features include:

- Support for PCI Express and PCI bus architectures.

- Support for 1024 taps (128ms) of echo tail handling on every channel (DS0) meaning that troublesome delayed echoes are properly handled.

- Dynamic and selective activation of echo cancellation, making the system ideal for mixed voice/data applications.

- The same PCI interface, architecture and digital path as all of Sangoma's other AFT based analog and T1/E1 cards, meaning that the A101D has guaranteed stability, motherboard compatibility issues and proper interrupt handling.

Sangoma continues to bring innovation, scalability and higher density solutions to market at the request of its enterprise and telco customers. Sangoma's current solution set includes: http://www.sangoma.com/main/products/hardware/cards

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 (TSX VENTURE: STC).