accessibility

An aggregate measure of how reachable locations are from a given location. The ACCESSIBILITY command computes values for accessibility as a function of the distance between locations and an empirically derived distance decay parameter.

Accessibility is the practice of making websites usable by disabled people - especially blind people. Because search engines are essentially blind (ie they can't see pictures or use Flash) accessible websites tend to have better search engine rankings than inaccessible websites.

With reference to point code, the ability of a local MTP (message transfer part) to send a message to the MTP at the remote signaling point. [T1.110.2-1999]