The Panasonic KX-TG9382T + (4) KX-TGA939 is a 2-line expandable cordless phone
Panasonic Link2Cell Corded Cordless Handset w 2 Lines (KX-TG9581B)
Panasonic Corded and Cordless 4-Handset System with Call Block - 9477702 | HSN
Panasonic Amplified Cordless Telephone with Digital Answering Machine KX-TGM450S | HARC Mercantile, Ltd
Amazon.com : Panasonic KX-TGC384 Cordless Phone System with 4 Handsets - Black : Office Products
Panasonic KX-TGF882B Link2Cell DECT 6.0 Expandable Corded/Cordless Phone with Digital Answering System and Smart Call Blocker Black KX-TGF882B - Best Buy
Panasonic KX-TG994 DECT 6.0 Bluetooth 4-Handset Phone Bundle | Costco
panasonic kx-tg454sk 4 handset link to cell cordless phone w/ text message alert (for 110 volts only for usa)
Panasonic KX-TGE474S Link2cell Bluetooth Cordless Phone System (4-Handset System) - Walmart.com