1. Towards Accessible Total Conversation Presentation for the Citizens with special needs track in Ministerial conference on knowledge and information society Lisbon, April 2000 Gunnar Hellström, Omnitor AB Rapporteur in ITU-T Q9/16: ”Accessibility to Multimedia” For Ericsson

2. Video telephony Text telephony Voice telephony Total Conversation for all in video, text and voice. Total Conversation combines features of video telephony, text telephony and voice telephony A standardised concept for telecommunication for all.

3. Tal Teckenspråk Example of a Total Conversation user interface Voice Sign language Also for Text Telephony Text in video call.

4. Typical use with hard-of-hearing user Hard-of-hearingHearing 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 DeafHearing 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 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 service with simultaneous voice Deafened Text Relay Service Hearing TextVoice

11. The Text Telephone standard 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

12. Total Conversation standardisation Started in Europe in ETSI HF from COST 219 and COST 220 1993, and USA from Gallaudet University. Decisions in ITU 18 Feb. 2000 made the standard family complete The activity center: ITU-T S616 Multimedia systems and services. Question 9 :Acessibility to Multimedia 1997-2000 Rapporteur 1997-2000: Gunnar Hellström

13. Total Conversation - a standard family for all networks V.18 Texttelephony Trans parent Equal - izers T.140 PSTN H.223 V.34/V.80 AL1 H.245 H. 324 T. 140 Voice and video PSTN H.221 Network access H. 320 H.224 T. 140 Voice and video ISDN H.323 / SIP Network access T.140 Voice and video IP H.324 Mobile system H.223 Mobile transmission Voice and video AL1 H.245 T.140 MOBILE TCP/ H.323 / SIP Mobile system RTP Mobile transmission Voice and video T.140 MOBILE IP T.124 GCC T.134 T.120 Data conferencing T.123 T.140 H.248 Annex F. Gateway for text, voice and video Ready Determined – Work continues Ready RTP DATA RTP TCP/RTP TCP/RTP Started

14. Total Conversation and textphone harmonization Availability 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 semi V.18 text telephone

15. Mobile networks is next field of action Mobile Total Conversation Interworking with the existing and emerging forms of text conversation is the key to success

16. Standardisation, needed for successful service establishment Co-operate in creating standards for interworking Compete with the smartest implementation of the standards

17. Society support In resolution on Sign Language B4-0985/98, the European Parliament ”Calls on the commission to introduce a proposal for framework legislation to ensure compatibility of telecommunications text and videophone equipment for deaf people across Europe.” Total Conversation can be the technical response on that request.

18. Proposals Support for Pilot implementations and trials Further standardisation as needs arise Relay service establishment Knowledge dissemination for future interworking Procurements requiring the standards