4 Line Cordless
Panasonic Panasonic KX-TG4500B 4-Line 5.8 GHz Expandable Corded/Cordless Phone with Digital Answerer
4-Line operation supports up to 8 handsets!
RCA RCA 25450RE3 4-line Expandable Corded/Cordless Phone with Digital Answerer
Long-Range feature-packed small business phone... expandable to 16 handsets!