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 About > IP and Licensing > Patents > Public Safety
Public Safety Patents TCS' growing patent portfolio allows meaningful partnerships with other industry-leading companies to be built through direct licensing, cross licensing and joint venture agreements. For more information on TCS’ intellectual property program and Public Safety Patents, contact Bob Held, senior director of intellectual asset management, at 410-280-1273. | Patent Number | Title | Issue Date | | | Data Request Router for use with Emergency Public Safety Answering Point Systems | 5/16/00 | | | Public Safety Access Point (PSAP) Selection for E911 Wireless Callers in a GSM Type System | 7/26/05 | | | Enhanced E911 Location Information Using VoIP | 9/06/05 | | | Solutions for VoIP 911 Location Services | 08/21/07 | | | Public Safety Access Point (PSAP) Selection For E911 Wireless Callers in a GSM Type System | 03/04/08 | | | First Responder Wireless Emergency Alerting with Automatic Callback and Location Triggering (PCT filed as 20-893) | 06/16/09 | | | Temporary ENUM Gateway | 12/14/10 | | | Solutions for VoIP 911 Location Services | 3/22/11 | | | Voice Over Internet Protocol (VoIP) Location Based 911 Conferencing | 3/15/11 | | | Wireless Emergency Services Protocols Translator Between ANSI-41 and VoIP Emergency Services Protocols | 3/08/11 | | | Enhanced E911 Location Information Using VoIP | 3/08/11 | | | Voice Over Internet Protocol (VoIP) E911 Metro Street Address Guide (MSAG) Validation | 5/17/11 | | | Public Safety Access Point (PSAP) Selection For E911 Wireless Callers in a GSM Type System | 4/26/11 | | | Nationwide Table Routing of Voice Over Internet Protocol (VoIP) Emergency Calls | 9/27/11 | | | Mobile Automatic Location Identification (ALI) For First Responders | 11/01/11 | | | Automatic Location Identification (ALI) Unique Pseudo Key (ESPK) | 11/15/11 | | | Integrated Services User Port (ISUP)/Session Initiation Protocol (SIP) Gateway for Unlicensed Mobile Access | 11/07/11 |
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