No. If you are called up for military service, training or civilian service, you have special protection against dismissal and dismissal.
The prerequisite for this is that you inform your employer immediately. From this point on, the employment relationship cannot usually be terminated by your employer until the end of one month after the end of your military service, training or civilian service.
If you are called up during the period of continued employment, it will be interrupted for the duration of your military service, training or civilian service.
Work must be resumed within 6 working days after the end of military service, training or civilian service. Otherwise, this is a reason for dismissal for your employer.