PRODUCT FUNCTIONS: Compatible with Most Landline Phones
(1)FSK/DTMF caller ID display, automatic checking (2)30 incoming, 5 outgoing number memories (3)2 digits PABX code setup (4)32 digits pre-dial and edit (5)Green Backlight in-use (6)With LED indication (7)Hold, Flash and Mute function (8)Headset speaker volume control by knob (9)Flash time 100ms or 600ms choice (10)Voice recorder port available, can connect to the PC to record (11)Power save function