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M3900 Flash Download Page 263 of 504
Telephones and Consoles Description, Installation, and Operation
through the display diagnostics on the M3900 telephone. You can obtain the
display diagnostics through the following procedure.
Procedure 44
Displaying the M3900 Diagnostics
1 Press the Options key on the M3900 telephone.
2 Scroll to the Display Diagnostics entry, using the up or down navigation
keys.
3 Press the Select soft key.
4 Scroll to the screen that shows the language file and firmware version
using the up or down navigation keys.
End of Procedure
For the latest firmware versions contained in the X11 software Reissue, refer
to
Table 40 on page 281. For information on firmware versions which fix
particular M3900 problems, refer to Matrix G in the latest version of the
M3900 Series Digital Telephone Advisory Bulletin.
The general rules for identifying which versions of firmware are Release 1
and which are Release 2 for the M3903, M3904 and M3905
telephones are
as follows:
• Phase 1 firmware vintages are less than version 4.0 (<40 from LD 32
FWVU response).
• Phase 2 firmware vintages are greater or equal to version 4.0 (>= 40 from
LD 32 FWVU response) but less than version 6.0 (<60 from LD 32
FWVU response).
• Phase 3 firmware vintages are greater or equal to version 6.0 (>=60 from
LD 32 FWVU response).
Flash Download advisements
Since the Flash Downloading feature of the M3900 takes some bandwidth
from the system signaling path while it is operating, it is recommended that
downloading be scheduled in off-peak hours for best results. There is some
real time impact to the system since the system processor is busy doing the