Telstra T-HUB 2 Manual page 13

option (2):
CuStomerS With a t-gateWay™
1) When your handset powers up, it will ask you to register
the handset – select "Register handset", and press OK.
2) Your handset will then prompt you to prepare the
base station for registration (which in your case,
is the T-Gateway™).
3) On the back of the T-Gateway™, press the white DECT
button for 3 seconds. The DECT LED on the front of the
T-Gateway™ should now flash orange.
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