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Human Factors (HF); Requirements for interoperable total conversation services
ETSI ES 204 009 V1.1.1
Organization:
ETSI - European Telecommunications Standards Institute
Year: 2025
ETSI - European Telecommunications Standards Institute
Subject: accessibility
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Human Factors (HF); Requirements for interoperable total conversation services
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| contributor author | ETSI - European Telecommunications Standards Institute | |
| date accessioned | 2025-09-30T23:01:16Z | |
| date available | 2025-09-30T23:01:16Z | |
| date copyright | 2025.08 | |
| date issued | 2025 | |
| identifier other | es_204009v010101p.pdf | |
| identifier uri | http://yse.yabesh.ir/std;quessioutho4703177793325273135A68A10958014A0Fa/handle/yse/347887 | |
| language | English | |
| publisher | ETSI - European Telecommunications Standards Institute | |
| title | Human Factors (HF); Requirements for interoperable total conversation services | en |
| title | ETSI ES 204 009 V1.1.1 | num |
| type | standard | |
| page | 83 | |
| status | Published | |
| tree | ETSI - European Telecommunications Standards Institute:;2025 | |
| contenttype | fulltext | |
| subject keywords | accessibility | |
| subject keywords | HF | |
| subject keywords | ICT | |
| subject keywords | procurement | |
| subject keywords | RELAY | |
| subject keywords | SERVICE | |
| subject keywords | Total conversation | |
| scope | The present document provides detailed functional, service and accessibility requirements from the Human Factors perspective for the implementation of and compliance with the European Accessibility Act which requires the provision of Interoperable Total Conversation (InToCo) services avoiding proprietary solutions and the need for user pre-registration. It details how to ensure that InToCo service, with voice, RTT and sign language-supportive video communication modes synchronized, is provided as a context-optimised service, also detailing viable fall-back options. Effective wireless coupling to hearing technologies, with the avoidance of interferences with assistive devices, and beyond, will also be addressed. The necessary background information and specifications containing technical parameters would be provided as informative annexes to the ES. The ES will additionally provide a guidance on how to ensure that the InToCo services for emergency communications, required by the EAA, are implemented in a manner that accounts for the Human Factors aspects. As such the ES complements other standards developed in the area, such as EN 301 549 or EMTEL TS 101 470. |