FSK(BELL CORE/ESTI),DTMF or Dual(FSK+DTMF) LCD Display With 12 Digits With Caller's Number Date/Time 24 Outgoing Call Memories 80 Incoming Call Memories Hold On Music Function Set Menu Function 8 Different Rnger Tones Selectable 4 Degrees Hands-free Speaker Volume Control Two-way Hand-free Speaker