The regulations in the telecommunications act claim that carriers must offer a specific number of handset models that follow compatibility standards with hearing aids. There are two modes of hearing aids that handset models must be compatible with: M3 compatibility and T3 compatibility. 

The Standards and Violations the FCC Evaluated


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. 

Michigan State University

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. 

The Hearing Aid and Compatibility Act (1988)

T-Mobile Fined $819,000 for Hearing Aid Compatibility Violations. (2018, October 11). Retrieved from https://www.fcc.gov/document/t-mobile-fined-819000-hearing-aid-compatibility-violations

Hearing Aid Compatibility Violations

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

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