The DTB team will be happy to assist you at any time by email – write to us at info [a] dialog-dtb.de
You can reach us by phone from 8 a.m. to 6 p.m. at 089 / 90139788.
From 03 May 2023 you can reach us under a new telephone number: 089 – 716 718 714
You can find your contact person at the DTB office here:
