AASTRA DT292 for MX-ONE User Guide EN - Manual (Page 11)

11 DT292
Important User Information
IPEI code
If your phone is blocked because an incorrect PIN code has been
entered three times, you can unlock it with the IPEI code
(International Portable part Equipment Identity). After entering the
IPEI code, you must enter a new PIN code.
The IPEI code is a unique code which has been assigned to your
phone. The IPEI code can be found in the ShowIPEI menu.
If your phone is blocked, PIN Blocked, Unblock? appears. The
phone must be unblocked before it can be used again.
To display the IPEI code
Route: Information » ShowIPEI Ь Ы
Select ShowIPEI and press.
Enter PIN: is displayed.
Z Ь Ы
Enter the PIN code for your phone (default 0000) and press.
The 13-digit IPEI code is displayed. Ь Ы
Press to leave this menu.
Note: Write down the IPEI code for future use. If you cannot
retrieve the IPEI code, please contact your system
administrator. Keep the IPEI code secret to prevent misuse
of your phone.
Unblock the DT292 Ь Ы
Press.
Backdoor: is displayed.
Z Ь Ы
Enter the IPEI code and press.
EnterNewPIN: is displayed.
Z Ь Ы
Enter the four digits of the new PIN code and press.
RepeatNewPIN is displayed.
Z Ь Ы
Enter the new PIN code again and press.
Either New PIN accepted or Wrong New PIN is displayed. In the
latter case, the new PIN and the code you have just entered do not
match. If New PIN accepted appears, you can use the phone
again.