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M3900 Flash Download Page 239 of 504
Telephones and Consoles Description, Installation, and Operation
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 25.08 system.
1. Follow the Small System
Release 25.08 to Release 25.40/
25.40B Re-issue procedure for
Phase I and Phase II telephones
(above).
The Releases 25.40 and 25.40B
contain M3900 Phase III firmware
for M3900 telephones.
03.00 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 25.08 system.
1. Follow the Small System
Release 25.08 to Release 03.00
Re-issue procedure for Phase I
and Phase II telephones (above).
The Release 03.00 contains
M3900 Phase III firmware for
M3900 telephones.
Table 37
Flash Download procedure matrix for Small Systems (Part 11 of 18)
Present
software
Upgrade to
software
Keycode
required
M3900
telephones
Upgrade steps