Learn more about how an amplified phone, like the Clarity C4230 or the ClearSounds A55, can deliver improved sound quality over traditional telephones or how TV Ears wireless TV headphones can personalize your tv listening experience. Are you frustrated with repeating yourself when talking with friends or relatives who are hard of hearing. Do you know someone who is hearing impaired. We highly recommend DECT 6.0 cordless phone with answering machine for premium voice quality, exceptional range and if you have a wireless home network. The simplest method of expanding the number of phones in your home from this single jack is to add an expandable phone.