ETSI ETR 029-1991 Human Factors (HF); Access to Telecommunications for People with Special Needs Recommendations for Improving and Adapting Telecommunication Terminals and Services for People with Impairments
European Telecommunications Standards Institute (ETSI)
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ETSI ETR 029-1991
ETSI ETR 029-1991 history
1991ETSI ETR 029-1991 Human Factors (HF); Access to Telecommunications for People with Special Needs Recommendations for Improving and Adapting Telecommunication Terminals and Services for People with Impairments