Hitachi TD61-2472 - Manual (Page 31)

6 To delete a "draft", press the LeftSoft key to select the sub-menu, then select
"3. Delete".
The screen in the figure on the right (3rd line) is displayed.
Select whether or not to delete with the keys, then press the key to
finalize the deletion.
1.8.4 Outbox
Displaying, editing, deleting, and re-sending of sent messages
1 From the IM menu, select "4. Outbox".
Hitachi Cable 27