Check it out everyone, you do the following to reset your mailbox
then once you do that you pick up the handset, hit feature 981 and enter the default password of 0000 after that WAIT for an automated voice that comes on and walks you through whatever you need to do.

to reset mailbox

without lifting the handset
Feature
985
9
73738767793
ok
yes

then without lifting the handset again
hit feature
983
1020000
Mbox
enter the box number (extension)
reset
next
hangup ke

at this point our mailbox will be reset to 0000, hit feature 981 0000# and wait for the voice like I said at the beginning and let her walk you through whatever you need to do.