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Page 276 of 504 M3900 Flash Download
553-3001-367 Standard 3.00 August 2005
Flash Download System (FDLS) - Initiate system-wide flash download
based on the parameters specified in LD 97. This initiates the system-wide
flash download to all, or the specified type of M3900 telephones, from the
system disk if the flash firmware version on the telephone is different from
the version found on the disk.
During system-wide flash download, when flash download detects that an
M3900 telephone is in an active call connection, the telephone is skipped.
Download logic keeps track of skipped telephones, and comes back to
attempt the download later.
M3900 flash download attempts download to each telephone up to three
times. If download does not succeed by the third attempt (whether due to an
active call connection or some problem such as a transmission error), flash
download to the telephone is considered to have failed. An appropriate
message is displayed for each telephone that fails the firmware upgrade
process. Upon completion of system-wide flash download, a completion
message is displayed on the maintenance telephone. This operation can take
up to several days to complete depending on the traffic load, the total number
and distribution of the equipped M3900 telephones, and the scheduling of the
download. See Table 39 on page 277 for estimations on download times.
When M3900 telephones fail system-wide flash download, you can then
determine the cause of the failure, perform corrective action, and repeat the
flash download command – system-wide or for a specific telephone.
.FDLS
Flash Download Cancel (FDLC) - Cancel the system-wide flash download.
From LD 32 or outside of the overlays, you can cancel or stop the
system-wide flash download operation gracefully by issuing the FDLC
command. A download in progress to the current telephone(s) completes
before the download process terminates.
.FDLC