Press and hold the Registration Button on the base station until the handset LED (Indicated by the red arrow above) starts flashing.

Once the base station is in registration mode, press OK on the handset

Using the arrow keys, Scroll to Settings, press OK

Using the arrow keys, Scroll down to Registration press OK

Using the arrow keys, Select Register Handset and when highlighted click ok

It may ask you which base, if it does this is usually base 1

If asked, enter the system PIN this is 0000 (4 Zero's)

Press Done.

Once the handset has been registered successfully, the handset will play a tone and display “Handset Subscribed”.