Nortel Meridian 1 Succession 1000 Description page 441

Table 67
Flash Download procedure matrix for Small Systems (Part 3 of 5)
Present Upgrade to
software software
25.15
Re-issue
Keycode M3900
required telephones
Release 2
Yes Release1;
Release 2
M3900 Flash Download
Upgrade steps
Note: This is not a standard
process. M3900 Release 2
telephones should not be
configured on a Release 25.08
system).
1. Follow Small System 25.08 to
25.08 Reissue procedure for
Release 1 telephones (above).
The 25.08 Reissue contains
M3900 Release 1 firmware.
Following the flash download
process downgrades the M3900
Release 2 telephones to Release 1
firmware.
Follow the standard software order
process.
Telephones and Consoles
Page 441 of 532
Description