For Immediate Release

LAKE FOREST, California – July 22, 2003 – Telenetics Corporation (OTC-BB: TLNT), a provider of wired and wireless data communications products for customers worldwide, today announced that its second quarter 2003 earnings conference call will be held on Wednesday, July 30, 2003 at 1:30 pm Pacific Daylight Time. Earnings will be released after the close of market on Tuesday, July 29, 2003. Representing the Company on the call will be David L. Stone, President and Chief Financial Officer and Michael N. Taglich, Chairman.

The dial in number is 800-556-3831 (or 972-512-0694 for international callers) and the participant passcode is 00101. The call will be simultaneously webcast on the Internet and is accessible at www.telenetics.com.

A replay will be available beginning after 7:00 pm PDT on July 30, 2003 through midnight August 30, 2003. To access the replay, dial 800-736-7935 (no passcode is required). The webcast will also be archived and available on the Internet at www.telenetics.com.

ABOUT TELENETICS

Based in Lake Forest, California, Telenetics designs, manufactures and distributes wired and wireless data communications products for customers worldwide. Telenetics offers a wide range of industrial grade modems and wireless products, systems and services for connecting its customers to end-point devices such as meters, remote terminal units, traffic and industrial controllers and remote sensors. Telenetics also provides high-speed communications products for complex data networks used by financial institutions, air traffic control systems and public and private wireless network operators. Additional information is available at www.telenetics.com.

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