Guidelines

Checklist for Plain Old Telephone System

No significant benefits  Minor benefits  Major benefits
A hearing aid can be coupled to the telephone
The receiver amplification can be increased by at least 20dB
There is a facility for an additional earphone
There is a facility for microphone amplification
The pitch of the ringer can be adjusted
The ringer volume can be adjusted
There is a visual ringing signal
The keys are spaced and shaped for ease of use
The keys are guarded or recessed
The telephone uses a standard key layout
There is tactual marking on the '5'
The keys are marked in a large clear typeface
An additional keyboard can be connected
The visual display is easy to read
The keys incorporate tactual feedback
The telephone can be operated hands-free
Speech-input keying is provided
The telephone has a non-slip base
The handset is easy to grip

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