How to safely shut down or force shut down Gigaset devices

Gigaset GS270 Gigaset GS270
Gigaset GS270 Plus Gigaset GS270 Plus
Gigaset GS370 Gigaset GS370
Gigaset GS370 Plus Gigaset GS370 Plus
Gigaset GS180 Gigaset GS180
Gigaset GS185 Gigaset GS185
Gigaset GS100 Gigaset GS100
Gigaset GS80 Gigaset GS80