▒ 2.4GHz/5.8GHz Digital 75 Hopping Channels Upto 4 Multy handsets Off hook dialing Pre-Dialing Phonebook : 50 Redial Last number redial during off hook Type I and Type II CID Caller list with last 40 Caller ID records On-hook Caller list review Saving selective Caller ID records into Phonebook  directory Hold function Mute function Intercom Base hands free conversation Selective intercom page to Base or Handset Page to all Handsets and Base Digital Volume control (4 steps) One touch conference call ▒ X-7000 65K Corlo display 32Polyphonic Midi Melody Uptp 255 Phone Book Baby Mornitoring Fuzzy Dial 3 SOS telephone SMS, CID, Conference call Hands free / group listening