The Paragon 650 also has an impressive 50 calls log and has 10 last number redial. This phone is hearing aid compatible with a visual ringer indicator and adjustable ringer volume. Also included in the BT paragon 650 phone is text messaging capability, and a built-in speakerphone.Corded telephone with digital answering machine, 36 minutes record time, 200 name & number directory and 3 number speed dial, 2 pre recorded outgoing messages