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Human Factors (HF); Requirements for relay services

Name: Human Factors (HF); Requirements for relay services

Identifier: ETSI ES 202 975

Issuing Organisation: ETSI

Country: International

Language: English

Organization website (opens in new window):

Link to standard (opens in new window):


Type: Standard

Issue Year: 2015

Forward Review Date: Not known

Fields: Assistive Technologies 

Intended Audiences:


The document specifies requirements for relay services provided over ICT networks. It is intended to give information suitable for incorporation into contracts between commissioning agents and relay service providers. The document is applicable to all kinds of relay services which enable a user with functional limitations related to hearing, vision, speech or cognitive functions, or combinations thereof, to converse with other users. The document applies to text relay services, speech-to-speech relay services, video relay services, and captioned telephony services. Requirements are specified for services provided on a 24/7 basis, as well as for limited-hour services. The document does not place requirements on network operators.

Relevance to Active and Healthy Ageing:

Older Person Specific: Yes

Usage / Adoption status:



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