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TCS Issued Patent for Optimizing Data Transmissions

Thursday, April 03, 2008

Invention Enables Operators to Achieve Higher Data Throughput for Data Applications

Annapolis, MD -- TeleCommunication Systems, Inc. (TCS) (Nasdaq: TSYS), a leading provider of mission-critical wireless communications, today announced the U.S. Patent and Trademark Office has issued patent number 7,353,289 for "System For An Open Architecture Development Platform With Centralized Synchronization." The patent describes a method and apparatus that optimizes data transmission between data clients and application servers, including mobile clients and those using TCP/IP network protocols.

This TCS invention determines the most efficient way to transfer data based on the size of the data payload and the characteristics of the network protocols. Data payloads can be combined or divided to fit into a maximum transmission unit (MTU), determined by the size of the payload to be transmitted. This can be used to provide higher, more efficient, and ultimately more cost-effective data throughputs for fixed and wireless data transmission applications.

"Optimizing the data transmission of fixed and mobile applications allows an operator to achieve higher throughput rates and enables a better user experience," said Drew Morin, Senior Vice President and Chief Technical Officer for TCS. "By packet stuffing the data packets, TCS' invention reduces the transmission overhead and increases the data throughput."

The TCS patent portfolio contains 58 patents and over 190 patent applications in the U.S. and abroad.

About The Invention

The "System For An Open Architecture Development Platform With Centralized Synchronization" patent provides a method and an apparatus for determining the maximum transmission packet that can be sent utilizing network protocols such as Transmission Control Protocol and the Internet Protocol (TCP/IP). Data payloads can be combined into the maximum allowable transmission packet using partial portions of a next payload.

About TeleCommunication Systems, Inc.

TeleCommunication Systems, Inc. (TCS) (Nasdaq: TSYS) produces wireless data communications technology solutions that require proven high levels of reliability. TCS provides wireless and VoIP E9-1-1 network-based services, secure deployable communication systems, engineered satellite-based services, and commercial location applications, like traffic and navigation, using the precise location of a wireless device. Customers include leading wireless, cable MSOs, and VoIP carriers around the world, and agencies of the U.S. Departments of Defense, State, and Homeland Security. For more information, visit

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 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, 2007.

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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