Here is a BT3510 twin phone system with answerphone all in very good working condition.
Panasonic KX-TGE822 Twin Cordless Digital Telephone And Answering System
Panasonic Twin Cordless Digital Phones with Answer Machine KX-TG8521E
BT3510 Twin Digital Cordless Telephones With Answering Machine
Binatone Elite 2025 Twin Cordless Phone Set Digital Answer Machine White New
Panasonic KX-TG1612 Twin/Duo Digital Cordless Phone
Alcatel E260 SVoice Digital Twin Cordless Phone with Answering Machine 2 Handset
