All phones need to be compatible with magnetic coils (telecoils and T-coils) which are found in hearing aids. Not accommodating these creates excess noise that interferes with clarity. There must also be volume controls that fall between the set limits

Phones that are Hearing Aid Compatible According to the HAC

The FCC filed a $819,000 USD forfeiture order against T-Mobile after finding that they failed to provide the minimum number of hearing aid compatible handset models during the time period of November 2009 and December 2010. 

A Major Enforcement of Hearing Aid Compatibility: FCC fines T-Mobile For Violating Standards

47 U.S.C. § 610. This legislation requires that the FCC enforces all telephones to be compatible with hearing aids and cochlear implants in the sense that there is a minimum of unwanted noise. 

Michigan State University

47 U.S. Code § 151-615b. Signed in 1996, this is one of the first major telecommunications pieces of legislation. Two sections of this act focus on inclusion of services for people with disabilities. 

Telecommunications Act of 1996

Telecommunications Act (1996)

47 U.S.C § 225. This section requires that any services and their providers that implement telecommunication have products and services be accessible to people with disabilities if such accessibility is achievable. 

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