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North American Numbering Council January 24, 2006 A Uniform Numbering Scheme for VRS Users and Providers.

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Presentation on theme: "North American Numbering Council January 24, 2006 A Uniform Numbering Scheme for VRS Users and Providers."— Presentation transcript:

1 North American Numbering Council January 24, 2006 A Uniform Numbering Scheme for VRS Users and Providers

2 VRS Overview Video Relay Service (VRS) is a form of Telecommunications Relay Service that enables persons with hearing disabilities who use American Sign Language (ASL) to communicate with voice telephone users through video equipment rather than through typed text. Users are able to more fully express themselves through facial expressions and body language, which cannot be expressed in text. Calls flow back and forth like hearing calls and both users have the ability to interrupt. Because of more natural flow, the same conversation is typically shorter in VRS than text-based TRS. VRS Calls may be between ASL and either English or Spanish. 2

3 TRS/IP/VRS Trends Source: National Exchange Carriers Association (http://www.neca.org/media/0106TRSIPVRSCOMPARISON.pdf) 3 VRS Exceeds Interstate TRS April 2005

4 VRS Growth Source: National Exchange Carriers Association (http://www.neca.org/media/0106VRSCURRENT.pdf) 4

5 VRS Minutes Source: National Exchange Carriers Association (http://www.neca.org/media/0106TRSStatus.pdf) 5

6 Conceptual VRS Implementation Internet PSTN Deaf or Hard of Hearing ASL User Hearing User Communications Assistant (Video Interpreter) ASL Communication Between Deaf and CA Voice Communication Between Hearing and CA 6

7 Functional Equivalence Issue System Works Fairly Well for Deaf-initiated Calls. Hearing-initiated Calls Are More Problematic. Hearing User Must Know: -Which VRS Provider to Contact; -The Type of Identifier Used by that provider; a)Psuedo Phone Number b)Extension Number c)User Name d)IP Address -The Specific Identifier for the Deaf Party E911 PSAP Call-back Issue 7

8 VRS and the NANP Placing VRS Endpoints on the NANP would approach functional equivalency for Deaf and Hard-of-hearing. Hearing User Dials Deaf Users Unique 10-digit Telephone Number. Carrier Identification Code used to Route to Appropriate VRS Provider. Similar Implementation to VoIP. 8

9 Internet PSTN Deaf or Hard of Hearing ASL User Hearing User Dials 10 digit # Communications Assistant (Video Interpreter) Gateway 10 Digit # Matched to CIC And Routed to VRS Provider VRS Provider maps 10 Digit # To IP Address and Completes Call Routing to VRS Endpoint Hearing Initiated Call with NANP 9

10 Thank You Contact Information Mark A. Ekse Communication Service for the Deaf, Inc. 102 N. Krohn Place Sioux Falls, SD (605) Karen Peltz Strauss KPS Consulting Albemarle Street, NW Washington, DC (202)


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