The other handset was plugged in briefly - essentially Grandfather found it too tricky to use and reverted back his old one.
BT Halo Twin Digital Cordless Telephone Bluetooth House Phone
BT 4600 Twin Pack Cordless Phones Big Button with Call Blocker and Chargers
BT Cordless Phone Power Supply Item Code 085668 - BT Halo / BT9500 main base
BT Halo 9500 Main Base or Power Cable - Multi-Variation Listing
BT 4600 Big Button Cordless Home Phones Twin Pack - Silver Great Con
BT Home Phone Twin Pack, Nuisance Call Blocking, Answer Machine, Cordless
