TeleCommunication Systems TSYS today announced that the U.S. Patent and Trademark Office has issued TCS six patents related to public safety and E9-1-1 technology:
"Ancillary Data Support In Session Initiation Protocol (SIP) Messaging" (U.S. Patent No. 7,929,530)
"Wireless Emergency Services Protocols Translator Between ANSI-41 and VoIP Emergency Services Protocols" (U.S. Patent No. 7,903,587)
"Enhanced E911 Location Information Using Voice Over Internet Protocol (VoIP)" (U.S. Patent No. 7,903,791)
"Voice Over Internet Protocol (VoIP) Location Based 911 Conferencing" (U.S. Patent No. 7,907,551)
"Solutions for Voice Over Internet Protocol (VoIP) 911 Location Services" (U.S. Patent No. 7,912,446)
"Emergency Alert For Voice Over Internet Protocol (VoIP)" (U.S. Patent No. 7,933,385)
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