• • • Deafness. • • • Visual impairment - severe. • • • Blindness. • • • Deaf-blindness. • • • Limited dexterity. • • • Limited use of hands/arms. • • • Weak grip. • • • Hand tremor. • • • Cognitive impairment.

A dial-out buffer memory enables users who are slow in dialling to avoid being timed-out. Generally the user taps in a number and when ready presses a send key, as used on many mobile phones. Many elderly people need plenty of time to read a number, press the keys and check that they have entered the correct number.

It is recommended that the buffer memory includes a system to remind the user if a process has not been completed.