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Page 30 of 174 Functional description
553-3001-216 Standard 5.00 January 2002
• If user A does not have Call Forward configured, but has the default Call
Forward (DCFW) configured, the call is forwarded to that DN (the DN
can be Meridian Mail).
• If neither of the above two scenarios apply, the caller receives overflow
tone.
Display-based Expansion Module
The Display-based Expansion Module is an accessory that provides a single
strip of eight additional keys for the M3904 and M3905 telephones. The user
presses the Page Key on the Display-based Expansion Module to access three
different layers of keys. A single Display-based Expansion Module can be
configured to provide up to 24 soft-labeled programmable feature or DN keys
(eight keys on each of the three layers).
Flash Download
Flash Download provides the ability to download a new version of firmware
from the Meridian 1 to a single M3900 Series telephone, or to a range of
M3900 Series telephones. For X11 Release 25, this feature is applicable to
M3902, M3903, M3904, and M3905 telephones. Flash Download enables
firmware upgrades without the necessity of replacing the telephones in the
field, thereby “future-proofing” the M3900 Series telephones.
System-Initiated Language Download
For the initial system-initiated language download, if the system
administrator chooses a language that is not supported by one of the sets, the
language selection remains at the default (English). When the system
administrator chooses an unsupported language, an error message appears on
the TTY.
Set-to-Set Messaging
If the system administrator chooses a language and the file containing the ten
predefined messages for that language cannot be found on the hard disk, the
list of messages stored in memory will be completely blank. The system
administrator can still create a list of customized messages in the same
manner as if they were only modifying one or two of the predefined
messages.