-
Mild Hearing Loss = 25dB or less.
Moderate Hearing Loss = 26 dB - 44dB.
Severe Hearing Loss = 45dB +
Cordless Phones
| maximum volume level | visual ringer | large buttons | caller ID / call waiting | amplified ringer | speaker- phone | neckloop jack | hearing aid compatible | |
| Clarity C4105 | 40dB | X | X | X | X | X | ||
| Clarity C4320 | 40dB | X | X | X | X Base and Handset |
X | X | |
| Clarity C4220 | 40dB | X | X | X | X Handset |
X | X | |
| Clarity C4205 | 50dB | X | X | X | X | X | ||
| Clarity C4210 | 50dB | X | X | X | X | X | X |
Corded Phones
| maximum volume level | visual ringer | large buttons | caller ID / call waiting | amplified ringer | speaker- phone | neckloop jack | hearing aid compatible | |
| Clarity P300 Photo Phone | 18dB | X | X | X | X | |||
| Williams Sound PhoneMax | 25dB | X | X | X | ||||
| Clarity C200 Trimline | 26dB | X | X | |||||
| Clearsounds Liberty Trimline | 30dB | X | X | |||||
| Clarity XL-30 | 30dB | X | X | X | X | X | ||
| Clarity JV-35 | 37dB | X | X | X | X | X | ||
| Clarity XL-40 | 43dB | X | X | X | X | X | ||
| Clarity XL-50 | 48dB | X | X | X | X | X | ||
| Williams Sound TeleTalker | 55dB | X | X | X | X | X |
