AT&T E5640 User Manual page 10

Adding new handsets
• If the number is not entered correctly, the screen will be blank
for a few seconds and
ENTER BASE ID
will be displayed again until a valid base ID has been entered.
• After entering the code, press
code to complete the registration process.
NOTE: In some cases, the last digit of the base ID may be an *. Treat that as part of the base ID
and enter it into the handset for registration purpose.
NOTE: If an invalid base ID code is entered, there will be an error tone and the handset will
continue to display ENTER BASE ID. To make corrections while entering the code, erase digits by
pressing the DELETE/ key.
MENU
When a valid base ID has been entered and recognized by the
telephone base, the screen will be blank for a few seconds and
will show:
SEARCHING...
followed by a screen indicating the number for the newly
registered handset.
HANDSET X
The new handset will be assigned the next available handset
number (Handset 2, Handset 3, or Handset 4). A maximum of
four handsets can be registered to each telephone base.
to accept the
SELECT/
MENU
6