Nokia 12 GSM MODULE REMOTE I/O - Manual (Page 21)

The length of the password is 1- 8 characters, and it is case sensitive. It
accepts characters defined in Chapter 7, except space characters. The
password is case sensitive.
Note: If the password is changed, an indication message is only sent to the phone
number that requested the change.
5.3 ALIASING
Figure 6 shows a dialog (User Control Mode -> Settings -> Aliasing) where
aliases can be defined for commands with the Nokia 12 Configurator.
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