The amplicomms powertel 58 has good volume levels and is full of popular features it has a very large phonebook memory caller id speakerphone and even an answerphone the on hook dialling and phonebook have a voice announce option for those with visual impairments and the buttons are large and clear the phone has adjustable tone and volume with a boost button especially nice is the user profile feature which allows 3 users to pre program their personal volume tone and boost setting