AT&T E560-2 - Manual (Page 12)

Replacing a handset
To de-register all handsets (E5655 ONLY)
• Press
* 8 8 3 2 4 4 # on the dial pad of the
telephone base.
• Press
SELECT/MENU
on the telephone base.
All handsets will be de-registered from the telephone base and the
handsets will display (may take up to 30 seconds):
The handsets are now de-registered from the telephone base, and
can now be re-registered (see page 9).
ENTER BASE ID
8