Polycom VVX 450 - Accessibility Features for Vision-Impaired and Blind Users

Accessibility Features for Vision-Impaired and Blind Users
Accessibility Feature
Description
Adjustable backlight settings
You can change the brightness of the screen by adjusting backlight intensity
settings.
Auto-answer feature
You can enable the phone to auto-answer calls so you don't have to choose an
option to answer a call.
Tactile “5” key with raised
bumps
The “5” key has two bumps that enable you discern the position of other
keys on the keypad.
Large keys
The large keys on the phone console enable you to access phone features and
functions.
Physical line keys
VVX 300 series and 400 series phones have physical line keys that you can
press to answer and end calls.
Physical feature keys
Many features on the phones are accessible by pressing feature keys on the
phone console.
Tactile-discernible number,
feature, and navigation keys
Keys on the phone console are discernible by their size and shape.
Illuminated feature keys
Many feature keys are illuminated when activated so you're alerted when a
feature is enabled.
Microphone mute feature
The system plays an alert tone when the microphones are muted or unmuted
using any of the Mute keys on the device or far-end system. The system plays an
alert tone periodically if the device is muted for a set period of time.