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June 01, 2011

TCS Gets Six Patents Related to Public Safety and E9-1-1 Technology


By SIP Trunking Report Contributor



A provider of secure mobile communication technology, TeleCommunication Systems has announced that the U.S. Patent and Trademark Office has issued the company, six patents related to public safety and E9-1-1 technology.


The new patents have been issued for Ancillary Data Support in Session Initiation Protocol (SIP) Messaging; Wireless Emergency Services Protocols Translator between ANSI-41 and VoIP Emergency Services Protocols; Enhanced E911 Location Information using VoIP; VoIP Location based 911 Conferencing; Solutions for VoIP 911 Location Services; Emergency Alert for VoIP.

TCS is committed to ensuring that our nation’s public safety community can take advantage of the latest technological innovations,” said Drew Morin, senior vice president and chief technology officer at TCS.

Morin said that as TCS’ recently awarded patents demonstrate the company is continuing to proactively develop solutions to meet the country’s toughest Enhanced and Next Generation 9-1-1 challenges.

The company’s ancillary server, Ancillary Data Support in SIP Messaging, provides any kind of data such as photos or videos, in conjunction with an E9-1-1 call. Company officials said that potential users of this invention may include members of the public safety community, operators and third-party information providers.

Wireless Emergency Services Protocols Translator between ANSI-41 and VoIP Emergency Services Protocols is a protocol converter that translates communications between SS7-based wireless networks and VoIP networks in a way that allows wireless and VoIP operators to continue using their existing infrastructure to route E9-1-1 calls.

Company officials said that Enhanced E911 Location Information using VoIP discloses a method and apparatus for provisioning a local VoIP gateway, comprising of dedicated circuits to a selective router. For its NENA-compliant i2 solution for VoIP customers, the company uses this invention.

VoIP Location based 911 Conferencing allows an emergency call center to add participants or reroute the call since it establishes an emergency call conference bridge without the risk of dropping the call, according to company officials.

Solutions for VoIP 911 Location Services, according to company officials, discloses  

a method and apparatus for automatically retrieving a valid location for the mobile VoIP terminal by establishing an uninterrupted communications link between the device and a location server containing the device’s valid street address.

The TCS invention, Emergency Alert for VoIP, discusses a method and apparatus that allows an emergency call center to contact a VoIP Positioning Center (VPC) that maintains the location of VoIP devices, consequently enabling the VPC to send the alert to all relevant VoIP users.

Recently, the company announced the availability of commercial service for the Cisco Internet Routing in Space (IRIS) solution using the Cisco 18400 Space Router on Intelsat IS-14.


Anshu Shrivastava is a contributing editor for TMCnet. To read more of Anshu’s articles, please visit her columnist page.

Edited by Rich Steeves