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M3900 Flash Download Page 257 of 504
Telephones and Consoles Description, Installation, and Operation
25.15 25.15
Re-issue
No Phase I,
Phase II
1. Determine M3900 PSWV to install
(see Table 40 on page 281).
Select PSWV #1 Global or #4 N.A. (25%
savings; second PC card needed).
Note: Select PSWV #5 (Release 1
firmware for X11 Release 24; second PC
card needed) only if the customer is just
running the Release 24 M3900 features.
2. Download software from the web with
appropriate PSWV language file.
3. Follow the procedure “PSDL
installation” on page 267 to install
software with the selected M3900 PSWV
file.
4. Install manufactured patches.
5. Download firmware to telephones,
following the Flash Download procedure.
Phase III Note: This is not a standard process.
There should not be M3900 Phase III
phones configured on a 25.15 system.
1. Follow the Large System Release
25.15 to 25.15 Re-issue procedure for
Phase I/II telephones (above).
The Release 25.15 Re-issue contains
M3900 Phase I firmware for M3905
telephones and Phase II firmware for
M3902, M3903, and M3904 telephones.
Follow the Flash Download process to
downgrade the M3900 Phase III phones
to Phase I/II firmware.
Table 38
Flash Download procedure matrix for Large Systems (Part 11 of 15)
Present
software
Upgrade
to
software
Keycode
required
M3900
telephones
Upgrade steps