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Page 254 of 504 M3900 Flash Download
553-3001-367 Standard 3.00 August 2005
04.00 Ye s Phase I,
Phase II
Follow the standard software order
process.
Phase III Note: This is not a standard process.
There should not be M3900 Phase III
phones configured on a 25.08 system.
1. Follow the Large System Release
25.08 to 04.00 procedure for Phase I/II
telephones (above).
The Release 04.00 contains M3900
Phase III firmware for M3900 telephones.
25.10 25.15
Re-issue
Ye s Phase I,
Phase II
Follow the standard software order
process.
Phase III Note: This is not a standard process.
There should not be M3900 Phase III
phones configured on a 25.10 system.
1. Follow the Large System Release
25.10 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 8 of 15)
Present
software
Upgrade
to
software
Keycode
required
M3900
telephones
Upgrade steps