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Progress Toward Standards for Accessible Total Conversation

Progress Toward Standards for Accessible Total Conversation. Toby Nixon Senior Program Manager, Exchange Server Voice Services Microsoft Corporation tnixon@microsoft.com. Acknowledgement.

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Progress Toward Standards for Accessible Total Conversation

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  1. Progress Toward Standards for Accessible Total Conversation Toby Nixon Senior Program Manager, Exchange Server Voice Services Microsoft Corporation tnixon@microsoft.com

  2. Acknowledgement Much of the content of this presentation was provided by Gunnar Hellström of Omnitor AB, who is Rapporteur for Question 9 on “Accessibility to Multimedia for People with Disabilities” in ITU-T Study Group 16

  3. Total Conversation Combines Features of Video, Text, and Voice Telephony A standardized concept for telecommunication for all. Video telephony Text telephony Total Conversation for all in video, text and voice Voice telephony

  4. Typical Use With Hard-of-hearing User Hard-of-hearing Hearing Voice Speech-reading Text when needed

  5. Typical Use With Speech-impaired User Speech impaired Hearing Text Voice Video for agreeing, turn taking and better understanding Voice for conversation

  6. Typical Use Between Deaf and Hearing Users Deaf Hearing Text for the conversation Video for recognition

  7. Typical Use Between Deaf Users Deaf Deaf Video for Sign Language Text for phone numbers, addresses …

  8. Typical Use Between Hearing Users Hearing Hearing Voice Text for for names, addresses

  9. Use of Video Relay Services Deaf Video Relay Service Hearing Sign Language Voice Text for phone numbers

  10. Use of Text Relay Servicewith Simultaneous Voice Deafened Text Relay Service Hearing Text Voice Voice

  11. Example of a Total Conversation User Interface Tal Text in video call Voice Sign language Also for Text Telephony

  12. Total Conversation Standardization • Started in Europe in ETSI HF from COST 219 and COST 220 in 1993, and USA from Gallaudet University • The activity center: ITU-T Study Group 16 on Multimedia Systems and Services • Question 9: Accessibility to Multimedia • Rapporteur 1997-2000: Gunnar Hellström • Decisions in ITU 18 Feb 2000 made the standard family complete

  13. V.18 Harmonizes Text Telephony USA, Ireland, Australia USA Holland Italy, Switzerland, Germany, Austria France, Belgium The whole world Finland, Denmark, Norway, Sweden, UK V.18 forms the bridge to new environments

  14. T.120 Data H.324 H.320 H.324 Text telephony conferencing Mobile system Voice Voice Voice and and and T.140 T.140 T.140 T.140 T.140 video video video AL1 H.245 AL1 H.245 H.224 T.134 T.124 Equal-izers Trans GCC parent H.223 H.221 H.223 T.123 Network Mobile V.18 V.34/V.80 access transmission PSTN ISDN PSTN Total ConversationA Standard Family for All Networks Started Ready Ready Ready Ready Ready H.323 / SIP H.323 / SIP Mobile system Voice Voice and and T.140 T.140 video video RTP RTP TCP/ TCP/ RTP RTP TCP/ RTP Mobile Network transmission access DATA IP MOBILE MOBILE IP H.248 Annex F: Gateway for text, voice and video (Determined – Work Continues)

  15. Total ConversationProducts are Emerging! • 1999: First standardised Total Conversation terminal with T.140 and V.18 available • 1999: Interpreter centre offers Total Conversation distance interpretation • 2000: V.18-based Virtual Text Network announced in UK • 2000: Major text telephone vendor in USA announced a semi-V.18 text telephone

  16. Mobile Networking Mobile Total Conversation Interworking with the existing and emergingforms of text conversation is the key to success

  17. T.120 Data H.324 H.320 H.324 Text telephony conferencing Mobile system Voice Voice Voice and and and T.140 T.140 T.140 T.140 T.140 video video video AL1 H.245 AL1 H.245 H.224 T.134 T.124 Equal-izers Trans GCC parent H.223 H.221 H.223 T.123 Network Mobile V.18 V.34/V.80 access transmission PSTN ISDN PSTN Total ConversationA Standard Family for All Networks Started Ready Ready Ready Ready Ready H.323 / SIP H.323 / SIP Mobile system Voice Voice and and T.140 T.140 video video RTP RTP TCP/ TCP/ RTP RTP TCP/ RTP Mobile Network transmission access DATA IP MOBILE MOBILE IP H.248 Annex F: Gateway for text, voice and video (Determined – Work Continues)

  18. Unified MessagingIncluding All Communication Modes • Anytime, anywhere access to a unified mailbox containing email, text, voice, video, fax, and pager messages • Access from PC, PDA, telephone (IP or PSTN), web phone, TTY, two-way pager… • Automatic conversion between media types • Speech user interfaces facilitate mobile use • Microsoft is committed to TTY/V.18 support in Exchange Server-based unified messaging

  19. Thanks! Questions?

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