TMC 4-Line corded telephone Compatible with the TMC-ET43004 Lines and up to 16 extensions Caller ID, call waiting caller ID (on all 4 lines) 50# Caller ID history Caller ID display dial3-Way conferencing Call timer5# Redial Do not disturb Toll restriction Call privacy on/off Automatic line selection 28# Memory dial in each phone-10# Private directory Memory retained during power loss Separate volume controls (handset, speakerphone, and headset) Line reserve Intercom Wall Mountable Paging Call transfer Speaker phone Telco visual message indicator for all four lines Backlit large LCD Three soft keys for easy display-guided programming Headset jack Built-in headset amplifier and dedicated headset button Data/fax jack Shared directory holds 40 names and numbers Advanced intercom Off-hook voice announce Busy lamp field Dual color line status indication Distinctive ringing for each line Built-in auto attendant and voice features: 8 Selectable greetings Remote access Transfer direct to voice Digital message recording (up to 30 minutes total) Night message greeting Line specific greetings Answering system lamp (flashes to indicate new message, steady light indicates answering system is on)Message auto save Message grouping Save as new Erase Screen calls Skip/repeat Back/forward Variable speed message playback Record memo/conversation Pause Centrex console auto attendant Built-in battery backup Special 2 Year limited manufacturer"s warranty. (Warranty is tied to usage. Example: If phone is disconnected from power source for a period of time, you do not lose that part of the warranty.)Suggested paging VK-PA-2ACustomer support line: 1-800-862-1638 TMCEV4500