AT&T DLP73290 Complete User's Manual page 119

Caller ID
Caller ID operation
To delete all entries:
1. Press MENU/
2. Press or
CID
/SELECT.
MENU
3. Press or
CID
then press
MENU
4. When the screen shows Delete all? on the handset, press
/SELECT to confirm. There is a confirmation tone and
MENU
the screen returns to the previous menu.
on the handset in idle mode.
SELECT
to highlight Caller ID log, then press
DIR
to highlight Delete all on the handset,
DIR
/SELECT.
112
Caller ID log
ECO
Delete all
ECO
Delete all?
ECO