Panasonic KXTC1891 900 MHz DSS 2-Line Cordless Phone with Caller ID & Answering Device (Black) 900 MHz digital spread spectrum phone with caller ID, call waiting, and digital answering system Digital answering system records up to 15 minutes of messages 24-channel auto scan Button connects you automatically to Net2Phone Internet telephony service Navigator key allows intuitive operation of volume control, ring level