The main base is the central communication for all the handsets, if your main base station is faulty none of your handsets will work.
BT 7660 Cordless Phone Genuine BT Replacement Charging Pod Only
BT 7660 Cordless Phone with Answering Machine
BT 7660 Cordless Phone Additional Handset 109337 109338 109339 K55-E97
BT 7660 Cordless Phone with Answering Machine K55-E97
BT 7660 Cordless Phone Quad Handsets, Silver/Black with Power Supply
BT 7660 Cordless Phone Main Base Charger Charging Base K55-E97 109337
