Panasonic KX-TG9581B 2-Line Corded/Cordless Phone with Link-to-Cell
Amazon.com: Panasonic Office Phone System, Corded Base Station with 4-Lines Expandable with Up to 10 Compatible Panasonic Business Phones Wirelessly - KX-TGW420B (Black) : Everything Else
Amazon.com: Panasonic Office Phone System, Corded Base Station with 4-Lines Expandable with Up to 10 Compatible Panasonic Business Phones Wirelessly - KX-TGW420B (Black) : Everything Else
Panasonic KX-TGWA41 user manual (English - 40 pages)