BT 8600 Main Base Unit ONLY for BT Cordless Phone 083157 083158 083159 083160

For BT Cordless Phone 083157 083158 083159 083160. BT 8600 Main Base Unit ONLY. 1x BT 8600 Main Base Unit ONLY. If requested, I can send a link or an image of the procedure. There may also be demonstration videos on Youtube that may help.