13. ICT providing relay or emergency service access
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13.1.1. General (informative)
Relay services enable users of different modes of communication e.g. text, sign, speech, to interact remotely through ICT with two-way communication by providing conversion between the modes of communication, normally by a human operator.
It is best practice to meet the applicable relay service requirements of ES 202 975 [i.5].
13.1.2. Text relay services
Where ICT is intended to provide a text relay service, the text relay service shall enable text users and speech users to interact by providing conversion between the two modes of communication.
13.1.3. Sign relay services
Where ICT is intended to provide a sign relay service, the sign relay service shall enable sign language users and speech users to interact by providing conversion between the two modes of communication.
13.1.4. Lip-reading relay services
Where ICT is intended to provide a lip-reading relay service, the lip-reading service shall enable lip-readers and voice telephone users to interact by providing conversion between the two modes of communication.
13.1.5. Captioned telephony services
Where ICT is intended to provide a captioned telephony service, the captioned telephony service shall assist a deaf or hard of hearing user in a spoken dialogue by providing text captions translating the incoming part of the conversation.
13.1.6. Speech to speech relay services
Where ICT is intended to provide a speech to speech relay service, the speech to speech relay service shall enable speech or cognitively impaired telephone users and any other user to communicate by providing assistance between them.
Where ICT systems support two-way communication and a set of relay services for such communication is specified, access to those relay services shall not be prevented for outgoing and incoming calls.
Where ICT systems support two-way communication and a set of emergency services for such communication is specified, access to those emergency services shall not be prevented for outgoing and incoming calls.