Designed especially for those with hard of hearing, this BigTel cordless phone from Amplicomms features an adjustable ringer volume that can be increased up to 90 decibels (that's louder than a power lawnmower!) and adjustable audio to help make conversations easier to hear and ...Designed especially for those with hard of hearing, this BigTel cordless phone from Amplicomms features an adjustable ringer volume that can be increased up to 90 decibels (that's louder than a power lawnmower!) and adjustable audio to help make conversations easier to hear and follow. It also includes a visual ring indicator, so there'll be no missing that call, as well as three direct memory buttons that allows you to phone your nearest and dearest at the click of a button. An additional handset means a phone is never too far away either.