The 11 AOKs jointly offer a nationwide complaint hotline with a 24-hour service as part of their complaint management.

Incoming calls from the cellular networks cannot be connected directly to the respective AOK via automatic regional routing. These calls from mobile networks should be accepted by the contractor and manually forwarded to the respective call center of the responsible AOK.

As part of its complaint management, AOK - Die Gesundheitskasse offers the nationwide complaint hotline "Don't annoy - call!" On the free hotline number 0800 2246465 as a 24-hour service.

The callers from the fixed network are routed regionally to the responsible call center of the respective eleven AOKs depending on the local network through which the customers dial in. An automatic regional routing of the incoming calls from the cellular networks to a customer advisor is not possible. These calls from mobile networks should be accepted by the contractor and forwarded to the respective call center of the responsible AOK.