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Zoom® Ships New ISDN Product
Zoom/ISDN Duo™ supports data, fax, and voice over ISDN or analog lines

Boston, MA, February 24, 1997 - Zoom Telephonics, a leading manufacturer of computer communications equipment, is shipping its first ISDN (Integrated Services Digital Network) product, the Zoom/ISDN Duo for PC-compatible computers. 

The Zoom/Duo combines an ISDN terminal adapter with a V.34 faxmodem on one internal card to enable data, fax, or voice communication over ISDN or traditional analog lines. For data, the ISDN line can be used to communicate with other ISDN or analog modems. However, unlike most ISDN products that are data only, the Zoom/Duo has a jack to support a standard telephone handset, which is included, for voice calls over the ISDN  or analog line.

It provides fast data rates of up to 128,000 bps by using MultiLink-PPP to combine the two 64 Kbps ISDN B channels. With V.42bis compression, speeds up to 460,800 bps can be achieved.

The Duo supports standard AT commands, so it works with virtually any PC communications software. It includes a Plug and Play compatible serial interface with 16550 UART and uses any one of 7 interrupts (IRQs) for maximum compatibility with a wide variety of system configurations. It requires only one PC slot and one COM port. Zoom plans to ship a terminal adapter-only product, the Zoom/TA, later this quarter.

"The Zoom/Duo and Zoom/TA are the first of a broad line of ISDN products from Zoom," says Zoom's President and CEO Frank Manning. "Additional products will continue to support applications for Web browsing, video telephony, and remote access to corporate LANs with feature-rich, user-friendly products at competitive price points." 

Both products make installation easy with EZ-ISDN support for ordering and setup, Plug-and-Play installation, and a built-in NT-1 for direct connection to your ISDN line. No additional hardware is required. In addition, the Zoom/Duo and TA feature flash memory for easy upgrades. Both products include ZoomGuard, which provides lightning protection superior to the varistor protection found on many similar products. Lightning is the number one cause of modem failure. The Zoom/ISDN Duo and Zoom/ISDN TA are backed by a 7-year warranty.

Zoom's ISDN products will be sold through computer retail outlets, VARs, and distributors to VARs including Ingram Micro®, MicroAge®, and Tech Data®. The estimated retail price range of the Zoom/Duo will be between $299 and $349, and between $199 and $229 for the Zoom/TA.

Zoom Telephonics designs, produces, and markets products that link people and their personal computers through the world's largest network, the international telephone network, and connected networks including the Internet and corporate local area networks. Zoom products are distributed worldwide. Zoom Telephonics is publicly traded on NASDAQ (NASDAQ: ZOOM). The Zoom Web Site is www.zoomtel.com


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