Commetrex Upgrades OpenEndpoint to Include Highly Optimized G.729a/b

12/1/2003 - Developers of an endpoint gateway targeting the small to mid-size enterprise, which typically requires POTS-line interfaces, will benefit from Commetrex' latest upgrade of OpenEndpointTM. OpenEndpoint, an IP- endpoint licensed-technology suite, now includes a highly optimized implementation of the G.729a/b voice coder (vocoder) for the Texas Instruments TMS320C6200 family of DSPs. G.729a/b is the ITU recommendation for a vocoder that compresses 64-Kbps speech to 8-Kbps. Commetrex' G.729a/b requires only 10 MCPS for duplex operation on a `C6200 DSP. Commetrex has previously shipped OpenEndpoint with support for G.711, G.726, and G.723.1.

The OpenEndpoint algorithms are available in C and `C6000 assembly code. They are also available in TI eXpressDSP? and MSP Consortium M.100 versions. A single low-cost 200-MHz TMS320C6000 DSP provides, for example, 12 non- blocking channels running G.729a/b with OpenEndpoint's echo canceller.

"We're pleased that Commetrex has delivered to the telecom sector an even more comprehensive version of OpenEndpoint by adding G.729a/b," says Marc Wallace, TI's worldwide third-party program manager. "Commetrex' G.729a/b is eXpressDSP compliant, which means an added degree of testing has been completed through TI's compliance program."

Cliff Schornak, Commetrex' CTO explains: "Commetrex' ongoing efforts to help equipment developers avoid investing more time and money than necessary in their new products led to our development of OpenEndpoint optimized for the `C6000. OpenEndpoint will give developers a true advantage when developing voice-fax IP endpoint devices, especially if the product requires a POTS interface."

Commetrex has been steadily building its portfolio of IP-gateway technologies. But with the completion of the OpenMedia streams framework, its G.168-compliant echo canceller, and now a highly optimized version of G.729a/b, the Company has assembled all the elements required for a complete voice-fax endpoint.

Commetrex Corporation
Commetrex Corporation develops and markets enabling technologies designed to shorten the time to market and reduce the development cost of integrated-media telecommunications equipment. Long known for its market-leading fax and other licensed technologies, Commetrex is now completing a multi-year development effort to offer the equipment developer middleware software products and a media- stream framework, plus a comprehensive line of PCI and CompactPCI DSP- resource and network-interface boards.

About the Texas Instruments Third Party Program
Commetrex is a member of the TI TMS320O third party program, the most extensive collection of global DSP development support in the industry. With more than 650 independent companies and consultants, TI's customers have easy access to a broad range of application software, development hardware and software and consulting services. For more information on the TI third party program, please visit

The MSP Consortium
The MSP Consortium was founded in 1997 by seven companies to develop and distribute a new computer telephony value-adding interface specification called the Media Stream Processor (MSP). The MSP is defined in the Consortium's M.100 specification of an open environment for media-processing firmware. The Consortium's objective is to add a new layer to computer telephony's value-adding structure at the system-resource level. The specification is creating a new competitive space by finally separating fixed-function "boards", such as "fax boards" and "voice boards" into two value-adding layers: the hardware resource with its MSP-compliant software environment and the media-processing software, such as voice processing or the fax modems.

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