This hearing aid compatible corded home telephone offers amplification in all functions from the handset ringer and speakerphone while an integrated flashing ringer alerts you visually to incoming calls in fact in call volume is up to 35db louder than standard landline sets in addition this model has a pin code protected answering machine with call indication display ring count setting 27 minutes recording time remote access of messages and moreeasy to read backlit displayeasy to dial