NEC DT750 User Manual page 200

1
STEP 3: To make a call, select Call (by using
or
pressing 1 ) and press , or OK.
When making a call from Call History, a prefix can be
added to the dial number. In that case, select 3 Prefix
on the SubMenu (indicated at STEP 2 of CASE 2) to
display the Prefix screen.
Note
On the Prefix screen, choose a prefix to be added to
the dial number. Also, prefixes need to be set in
advance. For details on setting of prefix, see TO ADD
PREFIX TO NUMBER.
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