You need to pair devices when powering up CK3x00 for the first time. Subsequently, all connections between your phone and CK3x00 are automatically established when both devices are within a few meters range of each other.
Procedure
Select MENU, select SETTINGS, select CONNECTION.
Select BLUETOOTH LINK, select HANDSFREE and turn Bluetooth ON.
Select LOOK FOR DEVICES (searching).
Select SEARCH FOR, press ACCESS (Accessories search).