Feature Requires the AT4801 console to operate 4-line operation, 1-4-line compatibility Full Duplex Speakerphone FSK Caller ID/call waiting Extra-large display for easy viewing 10 Speed Dial memory 6-party conferencing Page, Intercom, Call transfer, Voice message transfer between stations 100 name and number phonebook directory 50 name and number caller ID history Do not disturb Voice mail box on / off Programmable greeting messages Memo recording, Call recording Call screening, Call intercept Start, Stop, Skip, Repeat, Delete, Delete all for recorded messages Remote access with toll saver Time and date stamp on each voice message Voice Prompt 4 lighted line status indicators New call / message indicator Auto line selection, Primary Line setting Display dial, Pre-dialing, Chain dialing Last 10 number redial, Auto redial Hold reminder tone, Voice message reminder tone 10 polyphonic ringer (1 for each line) Ringer Volume Control Handset receiver, Speakerphone, Corded headset volume control Call privacy Mute Flash Rapid scroll Hearing aid compatible Corded headset compatible (2.5mm Jack) Detachable Belt Clip Charge Cradle with Wall Mount holes (not standard)