Questione giuridica chiave
Whether night on-call duty was separately payable or covered by the monthly salary
Decisione estratta
The night on-call duty was, according to the contracts construed in good faith, covered by the agreed monthly salary.
Motivazione estratta
The parties had been told at hiring that night duty was part of the overall working time and would not be paid separately. The Federal Supreme Court upheld the objective contractual interpretation.