Page30 of 174 Functionaldescription
553-3001-216 Standard 5.00 January2002
• Ifuser A does not have Call Forward configured, but has the default Call
Forward(DCF W)configured, the call is forwarded to that DN (the DN
canbe MeridianMail).
• Ifneither of t he above two scenarios apply, the caller receives overflow
tone.
Display-based Expansion Module
TheDisplay-based Expansion Module is an accessory that provides a single
stripof eight additional keys for the M3904 and M3905 telephones. The user
pressesthe Page Key on the Display-based Expansion Module to access three
differentlayers of keys. A single Display-based Expansion Module can be
configuredto provide up to 24 soft-labeled programmable featu re or DN keys
(eightkeys on each of the three layers).
Flash Download
FlashDownload p rovides the ability to download a new version of firmware
from the Meridian 1 to a single M3900 Series telephone, or to a range of
M3900Series telephones. For X11 Release 25, this feature is applicable to
M3902,M3903, M3904, and M3905 telephones. Flash Download enables
firmwareupgrades 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
administratorchooses a language that is not supported by one of the sets, the
languageselection remains at the default (English). When the system
administratorchooses an unsupported language, an error messageappears on
theTTY.
Set-to-Set Messaging
Ifthe system administr ator chooses a language and the file containing the ten
predefinedmessages for that language cannot be found on the hard disk, the
listo f messages stored in memory will be completely blank. The system
administrator can still create a list of customized messages in the same
manneras if they wereonlymodifying one or two of the predefined
messages.