Shenzhen, China – 2^nd March, 2011--OpenVox Communication Co. Ltd, a global leading provider of the most advanced open source asterisk^® telephony hardware and software products, has announced today that ISDN BRI Cards BE200E/P & BE400E/P with carrier grade hardware echo cancellation module are released. It enables users to experience great voice quality and stability in the telephony systems, with the advanced on-board hardware echo canceller.

The new carrier grade echo canceller is based on Siemens^® technology and supports international levels that exceed G.165/G.168, which eliminates echo tails up to 128ms or 1024 taps for all voice channels over ISDN BRI lines, with no additional CPU load. Thus the new added EC module will definitely ensure superior voice quality on all calls in every single phone system.

“The ISDN BRI asterisk^® cards have always played an important part in European telephony market. The release of the new products will provide our customers an advanced choice for their telephony solutions.” said Lin Miao, the president of OpenVox, “Moreover, all these newly released BRI cards now enjoy a lifetime warranty. With superior quality as well as experienced technical support and service, we believe that OpenVox has now taken the leadership in European open source telephony market.”

These new products enjoy lifetime guarantee.

OpenVox has now fulfilled its three main product lines—Analog, ISDN BRI and PRI cards—with hardware echo cancellation modules available after releasing these new BRI cards which include the following models: