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Bernard ChaseSep 7, 2025
What does 'Not possible' or 'Incorrect input' mean on my Siemens HiPath 500 Telephone?
- LlucassmithSep 7, 2025
If your Siemens Telephone displays 'Not possible,' 'Incorrect input,' or 'Nothing stored,' it suggests that a speed dial number is not available, an appointment was entered incorrectly, an entry is blocked or not allowed, a prerequisite is not fulfilled, or the number dialed was incomplete. Correct your input, select a permitted option, and enter the phone number in full.