User`s guide

SECURITY
51
BusinessPhone 250 / BusinessPhone 50
Portable DT310 / DT360 / DT368
SELECT PERSONAL
CODE You can use your four-digit code for blocking your phone
from unauthorized use or for making external calls from any
blocked extension.
Press
Dial to select a new code
Dial your present code
Press
The default personal code is ”0000”
Dial your new code
Press
Verification tone.