AT&T SB67040 User Manual page 194

You can delete all entries only when viewing the Call Log list from Idle mode.
To delete all of the entries in the Call Log:
CALL LOG
1/7
OPTIONS
Graham Bell
1. Delete All
800-916-2007
2. Play Message
NEW
Feb 23 9:55a
Mary Williams 10:01a
UNKNOWN ... Jan. 14
EXIT
Figure 258. Call Log
Options
CALL LOG
Graham Bell
232-555-0176
Are you sure you
want to delete all
NEW
Feb 23 9:55a
entries?
Mary Williams 10:01a
UNKNOWN ... Jan. 14
YES NO
Figure 259. Delete-All
Confirmation
Call Log
Synapse User's Guide
1. Press to display the Call Log.
2. Press OPTIONS to display the Call Log Options screen shown in Figure 258.
3. Press 1 or SELECT to display the Delete-All Confirmation screen, as shown in Figure 259.
Press to delete all Call Log entries.
Press to return to the Call Log screen.
To do this with the Deskset, see "Deleting Call Log Entries" on page
194
186.