AT&T 250 - Manual (Page 8)

7
1 Plug the coiled cord into the jack
on the base. Plug the other end
into the handset, then hang up.
2 Lift the handset and listen for a
dial tone. If you can’t hear a
dial tone, see IN CASE OF
DIFFICULTY.
INSTALLATION
For Table/Desk and Wall Installation
Coiled cord
3 Set the Dial Mode switch on the
handset to
TT if you have tone
dialing service or to DP if you
have dial pulse (rotary) service.
Dial Mode
switch
Your phone will work immediately after installation using the default
feature settings (see Feature Settings Summary on next page).
NOTE: If you subscribe to Caller ID services from your local telephone
service provider, you must follow the instructions in “Set Home Area Code”
on page 9 for your phone to properly recognize and dial calls, and you
may need to follow the instructions in “Set Local Area Codes” on page 10.