The 4125 offers a wide array of features, which makes it the ideal product for SOHO applications. Features Include: Supports up to 4 lines, Expandable to 12 stations, Simultaneous Caller ID on all 4 lines, 30 name/number Caller ID memory, PC/Fax data jack, 3-way conference, Speakerphone, Feature Buttons: Review,Erase,Dial,Set,Timer,PageALL,Flash,Mute,Hold,Pause,Last number redial,,24 speed dial memories, 12 one-touch intercom buttons,System page, Call transfer,Line-in-use indicator,New call/Message waiting indicator, Do-not-disturb function, Headset compatible,Desk/Wall mountable
