.. _gui_accessibility:

Accessibility
--------------

|VOSS-4-UC| provides a basic level of compliance to W3C accessibility standards
by conforming to the core standards required to navigate the Admin Portal. This
ensures that |VOSS-4-UC| content is accessible and more usable in general to people
with certain disabilities. 

The table describes features to assist people with disabilities, including people 
who may not be able to use a mouse, or who have visual impairments: 

===================================== ==================================================================
Title display in the browser          When choosing a menu option in the Admin Portal, the selected 
                                      menu option title is also displayed in the browser tab. This 
                                      helps users know where they are and also helps them move between 
                                      pages open in their browser.

Images have alternative text          Images on buttons that perform a function have additional 
                                      alternative text, which is used by people who cannot see the 
                                      image. This alternative text is displayed when the mouse 
                                      pointer hovers over an image. People who are blind and use 
                                      screen readers can hear the alternative text read out; and 
                                      people who have turned off images to speed download or save 
                                      bandwidth can see the alternative text.

All headings given a meaningful       Web pages often have sections of information separated by 
hierarchy to ease navigation          visual headings. Each page typically has at least one 
                                      heading. When there is more than one heading on a page, the 
                                      headings have a hierarchy, which makes it easier for the user 
                                      to navigate to a particular heading and to navigate between 
                                      headings. 

Contrast ratio can be changed         While some people need high contrast, for others, including 
                                      people with some types of reading disabilities such as dyslexia, 
                                      bright colors (high luminance) are not readable. They need 
                                      low luminance. A Chrome plugin can be installed (on the Chrome 
                                      browser), which allows the user to change the default colors 
                                      on a page.

Zoom capability                       |VOSS-4-UC| supports zooming without losing any information or 
                                      functionality.

Keyboard access and alternative       Many people cannot use a mouse and rely on the keyboard to 
visual focus                          interact with the Web. People who are blind and some 
                                      sighted people with mobility impairments rely on the keyboard 
                                      or on assistive technologies and strategies that rely on 
                                      keyboard commands, such as voice input.

                                      In a browser that supports keyboard navigation with the Tab 
                                      key (for example, Firefox, IE, Chrome, and Safari):

                                      1. Click in the address bar, then put your mouse aside and do 
                                         not use it.
                                      #. Press the 'Tab' key to move through the elements on the page.
                                      #. To move within elements such as select boxes or menu bars, 
                                         press the arrow keys.
                                      #. To select a specific item within an element such as a drop-down 
                                         list, press the Enter key or Spacebar.
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.. |VOSS-4-UC| replace:: VOSS-4-UC
.. |Unified CM| replace:: Unified CM