M3900 Flash Download Page 243 of 504
Telephones and Consoles Description, Installation, and Operation
25.30 Ye s Phase I,
Phase II
Follow the standard software order
process.
Phase III Note: This is not a standard
process. M3900 Phase III phones
should not be configured on a
Release 25.15 system.
1. Follow the Small System
Release 25.15 to Release 25.30
procedure for Phase I and Phase II
telephones (above).
The Release 25.30 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
Ye s Phase I,
Phase II
Follow the standard software order
process.
Phase III Note: This is not a standard
process. M3900 Phase III phones
should not be configured on a
Release 25.15 system.
1. Follow the Small System
Release 25.15 to Release 25.40/
25.40B procedure for Phase I and
Phase II telephones (above).
The Releases 25.40 and 25.40B
contain M3900 Phase III firmware
for M3900 telephones.
Table 37
Flash Download procedure matrix for Small Systems (Part 15 of 18)
Present
software
Upgrade to
software
Keycode
required
M3900
telephones
Upgrade steps