Polycom VVX Business Media Phones User Guide
Polycom, Inc.  181
   
Features for Vision-Impaired and Blind Users 
The following table lists the accessibility features on VVX business media phones for visually-impaired and 
blind users.
Electronic hookswitch support If you use a headset that supports electronic hookswitch 
(EHS), you can use the controls on your headset to answer 
and end calls. In addition, you may be able to mute calls and 
control volume from your headset (see Enable Electronic 
Hookswitch).
Headset Memory Mode If you use a headset, you can set up your phone so that all 
calls use your headset (see Use Your Headset for All Calls).
Hearing Aid Compatible (HAC) handsets All VVX handsets are Hearing Aid Compatible (HAC) and 
have telecoils that magnetically couple to most forms of 
wearable hearing aids per FCC section 508 (compliant to 
ADA Section 508 Recommendations: Subpart B 1194.23).
TTY support VVX phones support commercial TTY devices such as 
Ultratec Superprint. In addition, VVX phones provide acoustic 
coupled TTY support.
Accessibility Features on VVX Business Media Phones 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 (see Setting the Backlight 
Intensity and Timeout).
Tactile “5” key with raised bumps The “5” key has two bumps that let you easily discern the 
position of other keys on the keypad.
Large keys Large keys on the phone console enable you to easily 
access phone features and functions.
Physical line keys VVX 300 and 400 phones have physical line keys that you 
can press to answer and end calls.
Variety of feature keys that you can press Many features on VVX phones are accessible by pressing 
feature keys on the phone console.
Tactile-discernible number, feature, and navigation 
keys
Keys on the phone console are easily discernible by their 
size and shape.
Illuminated feature keys Many feature keys are illuminated when activated, so you’re 
easily alerted when a feature is enabled.
Accessibility Features on VVX Business Media Phones for Hearing-Impaired Users