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 About > IP and Licensing > Patents > Public Safety
Public Safety Patents Comtech 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 Comtech 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 | | USP 6,064,722 | Data Request Router for use with Emergency Public Safety Answering Point Systems |
5/16/00
| | USP 6,529,722 | System and Method for Enhanced 9-1-1 Address Development, Maintenance and Call Routing Using Road Access Zones | 3/4/03 | | USP 6,922,565 | Public Safety Access Point (PSAP) Selection for E911 Wireless Callers in a GSM Type System |
7/26/05
| | USP 6,940,950 | Enhanced E911 Location Information Using Voice Over Internet Protocol (VoIP) |
9/06/05
| | USP 7,260,186 | Solutions for Voice Over Internet Protocol (VoIP) 911 Location Services |
08/21/07
| | USP 7,340,241 | Public Safety Access Point (PSAP) Selection For E911 Wireless Callers in a GSM Type System |
03/04/08
| | USP 7,548,158 | First Responder Wireless Emergency Alerting with Automatic Callback and Location Triggering |
06/16/09
| | USP 7,852,834 | Temporary ENUM Gateway |
12/14/10
| | USP 7,907,551 | Voice Over Internet Protocol (VoIP) Location Based 911 Conferencing |
3/15/11
| | USP 7,903,587 | Wireless Emergency Services Protocols Translator Between ANSI-41 and VoIP Emergency Services Protocols |
3/08/11
| | USP 7,903,791 | Enhanced E911 Location Information Using Voice Over Internet Protocol (VoIP) |
3/08/11
| | USP 7,912,446 | Solutions for Voice Over Internet Protocol (VoIP) 911 Location Services |
3/22/11
| | USP 7,933,385 | Emergency Alert for Voice Over Internet Protocol (VoIP) | 4/26/2011 | | USP 7,945,026 | Voice Over Internet Protocol (VoIP) E911 Metro Street Address Guide (MSAG) Validation |
5/17/11
| | USP 8,027,697 | Public Safety Access Point (PSAP) Selection For E911 Wireless Callers in a GSM Type System |
9/27/11
| | USP 8,050,386 | Mobile Automatic Location Identification (ALI) For First Responders |
11/01/11
| | USP 8,059,789 | Automatic Location Identification (ALI) Emergency Services Pseudo Key (ESPK) |
11/15/11
| | USP 8,068,587 | Nationwide Table Routing of Voice Over Internet Protocol (VoIP) Emergency Calls | 11/29/11 | | USP 8,090,341 |
Integrated Services User Port (ISUP)/Session Initiation Protocol (SIP) Gateway for Unlicensed Mobile Access (UMA) Emergency Services Call Flow
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01/03/2012 | | USP 8,102,972 | Emergency Services Selective Router Interface Translator
| 01/24/2012 | | USP 8,102,252 |
First Responder Wireless Emergency Alerting With Automatic Callback and Location Triggering
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01/24/2012 | | USP 8,103,242 | E911 Call Blocking for Non-Initialized Wireless Telephone
| 01/24/2012 | | USP 8,116,722 |
E911 Call Blocking For Non-Initialized Wireless Telephones |
02/14/2012 | | USP 8,150,364 | Enhanced E911 Network Access For a Call Center Using Session Initiation Protocol (SIP) Messaging
| 04/03/2012 | | USP 8,150,363 |
Enhanced E911 Network Access For Call Centers
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04/03/2012 | | USP 8,149,997 | Protocol Converting 9-1-1 Emergency Messaging Center
| 04/03/2012 | | USP 8,155,109 |
SS7 ISUP To SIP Based Call Signaling Conversion Gateway For Wireless VoIP E911
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04/10/2012 | | USP 8,175,570 | E911 Call Blocking For Non-Initiated Wireless Telephones
| 05/08/2012 | | USP 8,185,087 | Emergency 911 Data Messaging | 05/22/2012 | | USP 8,208,461 | SS7 MAP/Lg+ To SIP Based Call Signaling Conversion Gateway For Wireless VoIP E911
| 06/26/2012 | | USP 8,208,605 | Extended Efficient Usage of Emergency Services Keys | 06/26/2012 | | USP 8,228,897 | SS7 ANSI-41 To SIP Based Call Signaling Conversion Gateway For Wireless VoIP E911 | 07/24/2012 | | USP 8,295,445 | Automatic Emergency Call Notification to Pre-Designated Personal Emergency Contacts | 10/23/2012 | | USP 8,369,825 | Enhanced E911 Network Access For a Call Center Using Session Initiation Protocol (SIP) Messaging | 02/05/2013 | | USP 8,369,316 | Wireless Emergency Services Protocols Translator Between ANSI-41 and VoIP Emergency Services Protocols | 02/05/2013 | | USP 8,385,881 | Solutions for Voice Over Internet Protocol (VoIP) 911 Location Services | 02/26/2013 | | USP 8,390,480 | Method and System for Sharing and Retrieving Spatial Related Information | 03/05/2013 | | USP 8,406,728 | Enhanced E911 Network Access for Call Centers | 03/26/2013 | | USP 8,428,619 | Personal Location Code | 04/23/2013 | | USP 8,436,728 | First Responder Wireless Emergency Alerting with Automatic Callback and Location Triggering | 05/07/2013 | | USP 8,453,240 | System for Efficiently Handling Cryptographic Messages Containing Nonce Values in a Wireless Connectionless Environment Without Comprising Security | 05/28/2013 | | USP 8,489,064 | Integrated Services User Part (ISUP)/Session Initiation Protocol (SIP) Gateway for Unlicensed Mobile Access (UMA) Emergency Services Call Flow | 07/16/2013 | | USP 8,520,805 | Video E911 | 08/27/2013 | | USP 8,532,266 | Efficient Usage of Emergency Services Keys | 09/10/2013 | | USP 8,577,328 | Associating Metro Street Address Guide (MSAG) Validated Addresses With Geographic Map Data | 11/05/2013 | | USP 8,644,302 | Temporary Enum Gateway | 02/04/2014 | | USP 8,649,806 | Aggregate Location Dynometer (ALD) | 02/11/2014 | | USP 8,681,946 | Mobile Automatic Location Identification (ALI) For First Responders | 03/25/2014 | | USP 8,682,286 | Enhanced E911 Network Access For a Call Center Using Session Initiation Protocol (SIP) Messaging | 03/25/2014 | | USP 8,774,171 | SS7 ANSI-41 to SIP Based Call Signaling Conversion Gateway for Wireless VoIP E911 | 07/08/2014 | | USP 8,787,872 | Ingress/Egress Call Module | 07/22/2014 | | USP 8,798,572 | Solutions for voice over internet protocol (VoIP) 911 location services | 08/05/2014 | | USP 8,831,556 | Unique Global Identifier Header For Minimizing Prank Emergency 911 Calls | 09/09/2014 | | USP 8,867,485 | Multiple Location Retrieval Function (LRF) network Having Location Continuity | 10/21/2014 | | USP 8,873,718 | Enhanced E911 Location Information Using Voice Over Internet Protocol (VoIP) | 10/28/2014 | | USP 8,874,068 | Emergency 911 Data Messaging | 10/28/2014 | | USP 8,885,796 | Extended Efficient Usage of Emergency Services Keys | 11/11/2014 |
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