(2 Year Warranty) 3 PORT SWITCHING DEVICE (Phone, Answering Machine, Facsimile, OR Modem) * 2 PORT DISTINCTIVE RINGING CAPABILITY (2 Separate Telephone Numbers) REMOTE MESSAGE NOTIFICATION Automatically Sends a Special Tone Message to any Desired Telephone Number Every Time You Receive a Voice Message, Fax, or Modem Data Transmission * Choose "Office" or "home" Mode (Phone Company Voice Mail and Caller ID Required) * Choose Comswitch 5500 if You Have a Dedicated Line , and you need to connect a Telephone and Answering Machines, as Well as a Fax or Modem (But Not Both)