Zoom Ships ITU V.90 FaxModems
New Dualmode™ models support both ITU V.90 and K56flex™

Boston MA, February 25, 1998 - Zoom Telephonics (NASDAQ: ZOOM), a leading manufacturer of modems and other data communications equipment, announced today that it has begun high-volume shipments of ITU V.90-compliant faxmodems with a Dualmode feature that automatically negotiates the connection to allow use with both V.90 and K56flex sites.

The Zoom/FaxModem™ 56K Dualmode has the ability to receivedata from ITU International Standard V.90 or K56flex sites atspeeds up to 56,000 bps. Dualmode automatically negotiates connectionsin ITU V.90 mode, K56flex mode, 33.6 Kbps, or any other ITU Internationalor Bell standard speed to achieve the fastest, most reliable connection possible.

All 56K Dualmode models provide high-quality voice mail when used with a soundcard and support Class 1 fax. They also include V.80 capability, which is required for point-to-point videotelephony using the H.324 Standard, and support H.323 Internet applications including videoconferencing.

All Zoom® 56K faxmodems feature a reprogrammable Digital Signal Processor (DSP) and flash memory for easy downloading of upgrades, Plug and Play compatibility, Distinctive Ring support to automatically route voice, fax and data calls, and ZoomGuard™ lightning protection.

Retail prices for the 56K Dualmode internal are expected to range between $119 and $149, and between $139 and $179 for the 56Kx Dualmode external.

Zoom Telephonics designs, produces, and markets faxmodems, ISDN products, and other 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 Telephonics is publicly traded on Nasdaq (NASDAQ: ZOOM). Zoom products are produced in Boston, Massachusetts and sold worldwide. The Zoom website is: www.zoomtel.com