Provide at least one mode that minimizes the cognitive, memory, language, and learning skills required of the user.
1. Many individuals have reduced cognitive abilities, including reduced memory, sequence tracking, and reading skills. This does not necessarily prevent these persons from using a telecommunications product or feature.
2. The following strategies are extensions of techniques for making products easier for everyone to learn and use:
Use speech recognition technology (Francik et al, 1999).
Use amplification and soundfield equalization to make sure that the user can hear any audio output (Vanderheiden and Vanderheiden, 1991; Francik et al, 1999).
Provide a headphone jack or otherwise isolate auditory information from background sounds. (Vanderheiden and Vanderheiden, 1991).
Present auditory information continuously or repeatedly until required action is taken (Vanderheiden and Vanderheiden, 1991).
Use distinctive ring tones to allow user to discriminate his/her device from any others in the environment that are similar (Francik et al, 1999).
Buffer dialing/dialed number display.
Color coded controls.
Controls grouped by function.
Speech recognition controls.
Speech recognition of outgoing spoken content.
Speech synthesis announcement of functions, status.
Speech synthesis of incoming text content.
Transfer number from Caller ID into speed dial.
User can dial 911 without dialing 9 first.
Variable or composable signal tones.