CSA T516-02 (R2007)

1. Scope
This Standard defines technical and ergonomic requirements for pay telephone keypads and function keys, with particular regard to the needs of persons with disabilities, to enable users to locate, identify, and operate the keys necessary to place phone calls.

Note: While the purpose of this Standard is to make the product more usable, there may be some persons with disabilities who have requirements beyond the level described herein.