The amplicom powertel 580 combo has good volume levels and is full of popular features ndash whatrsquos more is it includes both a corded phone and a cordless handset combining the best of both worldsit 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 and especi