Question about Uniden TRU9480 Cordless Telephone
Same manual as lethean but Page 24 if the previously used Base is Unavailable and your phone shows "Deregistration" in the Menu.
Base Unavailable (Handset Only)
To clear the base registration data in the handset, please follow these steps:
Press and hold  and [#] for more than 5 seconds. Select the BASE UNAVAILABLE submenu.
BASE UNAVAILABLE appears. Move the cursor to select YES, and then press the OK soft key.
ARE YOU SURE? appears. Move the cursor to select YES. Press the OK soft key.
Posted on Nov 01, 2008
Have you followed the instructions for handset registration? For some of the newer handsets, you may need to refer to the instructions that came with the handset (and not the base) instead of just putting the additional handset in the base to register it.
Page 23 of the 9480 manual gives explicit registration instructions.
Posted on Jan 09, 2008
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