Nortel Networks M3110 User Manual
Page 255

M3900 Flash Download
Page 255 of 504
Telephones and Consoles
Description, Installation, and Operation
25.30
Yes
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 25.30 Re-issue procedure for
Phase I/II telephones (above).
The Release 25.30 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.
25.40,
25.40B
Yes
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 25.40/25.40B procedure for
Phase I/II telephones (above).
The Releases 25.40 and 25.40B contain
M3900 Phase III firmware for M3900
telephones.
Table 38
Flash Download procedure matrix for Large Systems (Part 9 of 15)
Present
software
Upgrade
to
software
Keycode
required
M3900
telephones
Upgrade steps