TCS And GlobalDining Team to Offer Location -Aware Services for Making Dining Reservations At...

Business Editors/High-Tech Writers

CTIA Wireless 2003

ANNAPOLIS, Md.--(BUSINESS WIRE)--March 14, 2003

Location-enabled Services to Utilize TCS' Xypoint(R)

Location Platform and TCS' Message Distribution

Center (MDC) Technology - CTIA Booth 7335

TeleCommunication Systems, Inc. (TCS) (NASDAQ: TSYS), a global leader in location and messaging software and E9-1-1 services for mobile operators, and GlobalDining, a division of GetLISA(TM) Services, announced that they would be offering live, location enabled wireless restaurant reservations during the CTIA show in New Orleans. Visitors to the TCS booth number 7335, Hall H will be able to browse nearby restaurants via wireless devices and make on-the-spot Dining Reservations, with SMS confirmations that will be sent to the user's own mobile phone.

The combination of advanced TCS technologies and the GetLISA(TM) Local Information Service Assistant application offer wireless carriers new revenue-generating opportunities.

"This marks the first time that an always on, wireless connection has been deployed on the Merchant side of the location-based services (LBS) equation," said Jim Nardulli, GetLISA CEO. "And we are delighted to unveil this breakthrough in association with TCS."

"Having GlobalDining as a partner gives TCS another valuable application to bring to wireless operators," stated Tim Lorello, Senior Vice President and Chief Marketing Officer for TCS. "This innovative offering highlights the strengths of combining the highly popular Short Messaging capabilities with Location and even Multimedia Messaging - strengths that TCS uniquely offers to the wireless marketplace. Such offerings truly demonstrate why we say that, 'The Time for Messaging and Location is Now!'" Lorello added.

ABOUT GlobalDining(TM)

GlobalDining is a major feature of GetLISA(TM), an interlinked suite of Wireless applications all of which are highly personalized and location aware. Visit the Company at www.GetLisa.com

ABOUT TELECOMMUNICATION SYSTEMS, INC.

TeleCommunication Systems, Inc. (TCS)(NASDAQ:TSYS) is a leading provider of software and solutions to wireless telecommunication carriers worldwide and to government customers requiring high reliability and security. The company's Network Software segment is a global leader in wireless location platforms, text messaging, and alerts. The Service Bureau segment provides enhanced 9-1-1 connections to public safety call centers for the largest US wireless carriers, as well as hosted wireless text messaging services. The Solutions segment enables rapid deployment of fixed and transportable communications systems using wireless, satellite, and terrestrial networks.

TCS makes connections that matter. Whether connecting people with voice, data or video in a wireless world or connecting our customers and shareholders with long-term value, TCS delivers competitive, reliable and secure products, services and solutions to meet these needs. For more information visit www.telecomsys.com.

This announcement contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities and Exchange Act of 1934, as amended. These statements are based upon TCS' current expectations and assumptions that are subject to a number of risks and uncertainties that would cause actual results to differ materially from those anticipated.

The actual results realized by the Company could differ materially from the statements made herein, depending in particular upon the risks and uncertainties described in the Company's filings with the Securities and Exchange Commission (SEC). These include without limitation risks and uncertainties relating to the Company's financial results and the ability of the Company to (i) reach profitability as early as anticipated, (ii) continue to rely on its customers and other third parties to provide additional products and services that create a demand its products and services, (iii) conduct its business in foreign countries, (iv) adapt and integrate new technologies into its products, (v) expand its business offerings in the new wireless data industry, (vi) develop software without any errors or defects, (vii) protect its intellectual property rights, and (viii) implement its sales and marketing strategy.

Existing and prospective investors are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date hereof. The Company undertakes no obligation to update or revise the information in this press release, whether as a result of new information, future events or circumstances, or otherwise.