The Doro phone is hearing aid compatible for those hearing aid wearers using their ‘T’ setting. The acoustics are 60dB voice volume (the loudest in production), 90dB ringer volume (about 6 times louder than a standard phone), adjustable tone and volume levels. The main features are caller ID, speaker phone, backlit display, 50 phonebook entries, optional visual ring indicator, 2 ringer volume settings, high contrast keys with low reflective finish, wall mountable.