@Marvin_S The new firmware (for testing) works perfect! Really nice support. Thanks.

@Marvin_S Thanks for your reply. I added information to hard- and firmware in my original post. You are right, we are talking about the German (DE) version. According to the Web UI firmware should be...

Hope somebody can give me a hint on how to successfully set the Voice Mail Duration for answering machine in v2100 to a useful value. It should be so simple according to the faq (link below) but no...