sell: CALLER ID PHONE

1) FSK / DTMF dual systems compatible, it completely suits for various PBX systems 2) It can store incoming call numbers and outgoing call numbers and display 16-digit dial number and talking time 3) Adds "0" call back 4) Three music alarm clocks 5) The ringer volume can be adjusted by the ringer switch on the rear of the phone 6) A few of IP dialing modes may be selectable 7) Anti-call-theft function 8) Calculator function 9) Super thunderstroke resistance 10) Stores 4 group 12-digit VIP phone numbers 11) Ringer: high / low