NEC DTL-6DE-1 - DT310 - 6 Button Display Digital Phone User Manual page 181

STEP 3: The telephone number stored on the call his-
tory is displayed. The telephone number can
be changed if necessary. Press OK soft key
to add the displayed data to Local Phone-
book.
Name :NEC ABIKO
Number
:31300
Clr OK Cnl
173