Amazon.com : Panasonic Expandable Corded/Cordless Phone System with Answering Machine and One Touch Call Blocking – 2 Handsets - KX-TGB852B (Black) : Office Products
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 KX-TG7732S DECT 6.0 Link-to-Cell via Bluetooth Cordless Phone with Answering System, Silver, 2 Handsets : Bluetooth Phone Line : Office Products