What is Hearing Aid Compatibility (HAC)?

• In the FCC rules for corded and cordless landline phones, it refers to

  • Volume control requirement

  • Telecoil coupling requirement

  • No interference abatement requirement as yet (although there are new problems with some cordless phones).

• In the FCC rules for cell phones, it refers to:

  • Interference abatement requirement (2005)

  • Telecoil coupling requirement (2006)

  • No volume control requirement