SOURCE: TeleCommunication Systems, Inc.

TeleCommunication Systems, Inc.

September 28, 2009 07:00 ET

TeleCommunication Systems Demonstrates Commercial Mobile Alerts System at OASIS Emergency Interoperability Summit

TCS Provides Fully Integrated Solution to Deliver Emergency Notifications From Government Agencies to Cellular Phones

ANNAPOLIS, MD--(Marketwire - September 28, 2009) - TeleCommunication Systems, Inc. (TCS) (NASDAQ: TSYS), a leading provider of mission-critical wireless communications, today announced it will demonstrate its Commercial Mobile Alerts System (CMAS) at the OASIS Emergency Interoperability (EI) Summit on September 30 and October 1, 2009 in Baltimore, Maryland. The Oasis EI Summit is part of the 2009 National Information Exchange Model (NIEM) National Training Event. The event serves as a forum where industry experts demonstrate the benefits of interoperable software systems that support public safety and mission-critical emergency services.

"Authorities recognize the need to keep the public informed with critical information concerning emerging life-threatening events in real time," said Drew Morin, TCS's chief technology officer. "TCS has provided innovative wireless solutions to support public safety since pioneering wireless E9-1-1 in the mid-1990s. This current TCS solution leverages our extensive knowledge of location technology, public safety and text messaging to expand the reach of future emergency notifications."

WHAT:
The Organization for the Advancement of Structured Information Standards (OASIS) EI Summit will showcase interoperable applications and tools that support OASIS Emergency Management standards, including the Common Alerting Protocol (CAP) and the Emergency Data Exchange Language (EDXL) suite of standards. Attendees of the EI Summit and the NIEM training event will have ample opportunities to view InterOp demonstrations throughout the event. Demonstrations will address the operational and economic benefits, as well as coherent frameworks that enable a more accurate, rapid, coordinated emergency response. For more information on the demonstrations, please visit: http://events.oasis-open.org/home/ei-summit/2009/schedule

WHO:
TeleCommunication Systems, Inc. is a trusted partner to many top tier wireless communications carriers and government customers, supplying comprehensive messaging and location solutions to meet their mission-critical needs. TCS achieves this by providing innovative wireless data communications technology offerings that deliver proven high levels of reliability and performance.

WHERE:
Oasis Emergency Interoperability Summit
Hilton Baltimore
401 West Pratt Street
Baltimore, Maryland 21201
For more information, please visit: http://www.iir.com/registration/niem/hotel.cfm

WHEN:
Wednesday, September 30 and Thursday, October 1, 2009
10:15-11:30am ET

For more information on the OASIS EI Summit 2009 visit: http://events.oasis-open.org/home/ei-summit/2009

About OASIS
OASIS is a not-for-profit, international consortium that drives the development, convergence and adoption of open standards for the global information society. OASIS promotes industry consensus and produces worldwide standards for emergency management, security, Web services, XML conformance, business transactions, electronic publishing, and other applications. OASIS open standards offer the potential to lower cost, stimulate innovation, grow global markets, and protect the right of free choice of technology. OASIS members broadly represent the marketplace of public and private sector technology leaders, users and influencers. The consortium has more than 5,000 participants representing over 600 organizations and individual members in 100 countries. http://www.oasis-open.org/

About TeleCommunication Systems, Inc.
TeleCommunication Systems, Inc. (TCS) (NASDAQ: TSYS) engineers and delivers highly reliable wireless communications technology. TCS is a leader in wireless text messaging and location-based technology, including E9-1-1 services and commercial applications like navigation that use the precise location of a wireless device, and secure satellite-based communications systems and services. Customers include leading wireless and VoIP carriers around the world, cable MSOs, automotive telematics vendors, and agencies of the U.S. Departments of Defense, State, and Homeland Security. TCS is one of six primary vendors on a $5 billion Army Worldwide Satellite Systems Contract vehicle. For more information, visit www.telecomsys.com.

Except for the historical information contained herein, this news release contains forward-looking statements as defined within 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 subject to risks and uncertainties and are based upon TCS' current expectations and assumptions that if incorrect would cause actual results to differ materially from those anticipated. Risks include without limitation those detailed from time to time in the Company's SEC reports, including the report on Form 10-K for the year ended December 31, 2008, and Form 10-Q for the quarter ended June 30, 2009.

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.

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