IP Library Granted Patent US 7,894,578
Granted Patent B2
US 7,894,578 · App. 11/421,940 · Granted Feb 22, 2011

E911 location services for users of text device relay services

Assignee: Verizon Business Global LLC
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Quick Facts
Patent No.
US 7,894,578
App. No.
11/421,940
Granted
Feb 22, 2011
Kind
B2
Abstract

A system receives, from a text device, an emergency call placed by a hearing-impaired party, the emergency call being associated with information identifying a location of the text device. The system also identifies a public safety answering point (PSAP) based on the location information. The received emergency call may be forwarded to the identified PSAP.

Claims (43)

1. A system comprising:

a relay platform to:

receive, from a mobile texting device, first text data of an emergency call placed to 9-1-1 and forwarded to the relay platform by a public safety answering point (PSAP) identified for the emergency call based on location information acquired by the mobile texting device and identifying a location of the mobile texting device;

text a request, to a user of the mobile texting device, to update the location of the mobile texting device;

receive, from the user of the mobile texting device and responsive to the request, second text data including an updated location of the mobile texting device;

convert the first text data and the second text data into voice data; and

transmit the voice data to the identified PSAP.

2. The system of claim 1 , wherein the location information comprises global positioning satellite (GPS) data.

3. The system of claim 1 , wherein the emergency call comprises a voice over Internet protocol (VoIP)-enabled call.

4. The system of claim 1 , wherein the first text data includes written American Sign Language (ASL) or spoken ASL, and the relay platform is further configured to translate the ASL into conversational English.

5. The system of claim 1 , wherein the mobile texting device is configured to acquire the location information using signal triangulation.

6. The system of claim 1 , wherein the emergency call is initiated by dialing 9-1-1 digits on the mobile texting device operating in a telecommunications relay services mode.

7. The system of claim 1 , wherein the mobile texting device is configured to acquire the location information upon an initiation of the emergency call.

8. The system of claim 1 , wherein the mobile texting device is configured to acquire the location information prior to an initiation of the emergency call.

9. A method comprising:

receiving, from a mobile texting device, a texted request for emergency services placed to 9-1-1 and forwarded to a relay platform by a public safety answering point (PSAP) identified for providing the emergency services based on location information associated with and acquired by the mobile texting device;

texting a request, to a user of the mobile texting device, to update the location of the mobile texting device;

receiving, from the user of the mobile texting device and responsive to the request, text data including an updated location of the mobile texting device;

converting the text data into voice data; and

relaying the voice data to the identified PSAP.

10. The method of claim 9 , wherein the receiving the texted request comprises receiving a voice over Internet protocol (VoIP)-enabled call forwarded by the relay platform.

11. The method of claim 9 , wherein the receiving the texted request comprises receiving a 9-1-1 call transmitted by the mobile texting device, operating in a telecommunications relay services mode, and forwarded by the relay platform.

12. The method of claim 11 , further comprising:

acquiring, by the mobile texting device, the location information associated with the mobile texting device prior to the transmission of the 9-1-1 call.

13. The method of claim 9 , wherein the acquiring the location information comprises:

capturing global positioning satellite (GPS) data.

14. The method of claim 9 , further comprising:

converting the location information into a geographic location; and

transmitting the geographic location to the identified PSAP.

15. The method of claim 9 , wherein the text data comprises American Sign Language (ASL), the method further comprising:

translating the text data from ASL into conversational English; and

relaying the additional location information associated with the mobile texting device to the identified PSAP based on the translated text data.

16. The method of claim 9 , further comprising:

relaying communications between the PSAP and the mobile texting device, wherein the relaying the communications comprises:

translating at least one of American Sign Language (ASL) into conversational English or conversational English into ASL; and

converting at least one of text to voice or voice to text.

17. A telecommunications relay services platform comprising:

means for receiving a 9-1-1 call, including first text data, forwarded by a public safety answering point (PSAP) identified based on global positioning satellite (GPS) data acquired by a mobile texting device;

means for texting a request, to a user of the mobile texting device, to confirm a location of the mobile texting device;

means for receiving, from the user of the mobile texting device and responsive to the request, second text data including the location of the mobile texting device;

means for converting the first text data and the second text data into voice data;

means for transferring the voice data to the identified PSAP; and

means for subsequently communicating with the mobile texting device by text.

Assignments (5)
CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE PREVIOUSLY RECORDED AT REEL: 032734 FRAME: 0502. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Recorded Nov 28, 2017
From: VERIZON BUSINESS GLOBAL LLC
To: VERIZON PATENT AND LICENSING INC.
Reel/Frame 044626/0088 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 22, 2014
From: VERIZON BUSINESS GLOBAL LLC
To: VERIZON PATENT AND LICENSING INC.
Reel/Frame 032734/0502 →
CHANGE OF NAME Recorded Jan 13, 2011
From: MCI, LLC
To: VERIZON BUSINESS GLOBAL LLC
Reel/Frame 025630/0970 →
CORRECTIVE PREVIOUSLY RECORDED AT REEL 017714 FRAME 0720 Recorded Aug 4, 2006
From: MCCLELLAND, WILLIAM A.
To: MCI, LLC
Reel/Frame 018067/0398 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 2, 2006
From: MCCLELLAND, WILLIAM A.
To: SONY ERICSSON MOBILE COMMUNICATIONS AB
Reel/Frame 017714/0720 →
Continuity (1)
Related Publication 20070280428A1 · Dec 6, 2007