VTech 20-2481 2.4 GHz DSS 2-Line Expandable Cordless Phone/Answering System with Extra Handset 20-2420 Consists of 1 Model 20-2481 Telephone system plus 1 Model 20-2420 handset/battery/charger; includes 2 beltclips and 1 headset. Two Line Cordless Phone Digital Answering System with a Mailbox for Line 1 & Line 2 SUPERPLEX "Hands-Free" speakerphone in handset and base unit Data port in base: Makes calls on your second line when fax or internet is in use Dual display caller ID / call waiting - stores 50 calls - in handset and base