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TCS Issued Patent for Voice Over Internet Protocol Wi-Fi E9-1-1 Calls

Wednesday, August 22, 2007

Specialized Technology Provides Hot Spot E9-1-1 Location Information to Public Safety Answering Points

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 7,260,186, titled, "Solutions For Voice Over Internet Protocol (VoIP) 911 Location Services."

The patent enables updating the mid-call location of a VoIP 9-1-1 caller using a Wireless Fidelity (Wi-Fi) hot spot. The invention allows VoIP Wi-Fi E9-1-1 calls to be routed to the correct Public Safety Answering Point (PSAP) while automatically providing the location of the caller at the time the call was established. The invention helps mobile VoIP calls to meet the current FCC mandate requiring that wireless operators provide E9-1-1 service.

"Providing E9-1-1 service to VoIP Wi-Fi calls is an essential service as cellular carriers and VoIP providers increasingly are providing nomadic and mobile VoIP service through dedicated and dual-mode devices," stated Drew Morin, Senior Vice President and Chief Technology Officer for TCS. "Hybrid VoIP/cellular service, often referred to as Fixed Mobile Convergence (FMC), is starting to be rolled out in North America, with operators such as T-Mobile initiating service this year."

About the Invention

The "Solutions For Voice Over Internet Protocol (VoIP) 911 Location Services" patent provides a method and apparatus for providing mid-call updating of a location of a VoIP Wi-Fi terminal. The patent allows for a VoIP call to be established, requests a location update associated with the movement of a VoIP Wi-Fi device, and transmits the location information of the associated movement of the device. The location of the device can be automatically determined by the VoIP Wi-Fi device, or the updated information can be input by the user.

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 and engineered satellite-based services, and commercial location applications, like traffic and navigation, using the precise location of a wireless device. Customers include leading wireless 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, 2006 and Form 10-Q for the quarter ended June 30, 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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