Telephones - What features do disabled people need?
Tactile key markers..

 

• • Visual impairment - moderate.

• • • Visual impairment - severe.

• • • Blindness.

• • • Deaf-blindness.

Illustration of tactile key markers.

 


Persons who are blind or have low vision find it useful to be able to feel the keys of a telephone. It is particularly important to have a single raised dot on the number 5 key.

Designers should follow the ETSI standard ES 201 381, 1998.

No significant additional cost.

 

 

 

How disabilities affect telephone use

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