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18
T
ELEPHONE
DBC 425
If the telephone has the option with default number and the possibility to log on with the
individual number (see 2.7.3 Logging on with an Individual number on page 15), the
display will show:
Figure 23:
2.9
CHECKING SOFTWARE VERSION
It is possible to check the software version in the telephone by pressing the buttons
C
,
*
and
4
simultaneously for at least one second.
The program revision is shown in the display for 5 seconds and then all the pixels are
lit for one minute. To return to normal mode, press the
#
key.
Figure 24:
The name, the product number and the version of each software unit are shown.
An alternative is to use the information menu, see 10.2 Checking the SW version on
page 82.
2.10 FAULT
LOCATING
This section contains information on how to solve common operational problems, and
warnings that might occur.