These landline telephones for the elderly are ideal for customers who are slightly older. These phones have extra large keys and a loud ringtone. This means that the devices can also be used by the visually impaired or the hearing impaired. Go for a landline telephone with one handset if you only want a telephone in 1 room. The advantage of a device with multiple handsets is that you can put a handset in different rooms. You don't have to walk to the living room to pick up.