Siemens Optipoint 420 - Checking the Telephone; Checking Its Functionality

Checking the telephone
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Step by Step
Checking the telephone
Checking its functionality
You can test the functionality of your telephone. This in-
cludes the following checks:
• Are all the key lamps operating properly?
• Is the display operating properly?
• Do all the keys function?
• Are there any problems with the speaker, handset,
ringing tone volume, ringing tone pitch, alerting tone
or speakerphone function (not available with
optiPoint 420 economy)?
Otherwise, if necessary, for servicing:
• the terminal ID (identity) of the telephone
• the software version of the optiPoint 400 telephone
• the power level of the line.
Precondition: The telephone is in the idle state.
Press the key. The lamp lights up.
m Enter the service code.
or
> : Select and confirm.
and
> : Select and confirm the required test function. Follow
the user prompts on the display.
Press the key. The lamp goes out. The test is ended.
program/service
Phone test?
program/service