Accessible IT Frequently Asked Questions
Category: Guidelines and Standards
Question: #7
Are there laws related to Telecommunications?
Answer:
Section 255 of the Telecommunications Act of 1996 requires manufacturers to ensure that their telecommunications equipment is compatible with existing peripheral devices or specialized customer premises equipment commonly used by individuals with disabilities to achieve access, if readily achievable.
http://www.access-board.gov/508.htm
United States Access Board site for Section 255 telecommunications accessibility.