In December 11, I sent letters of termination to O2 by letter for my current used DSL contract (Rufnummer: XXXXXXXX). In my cover letter, I mentioned that I will leave Germany on 01.01.2020, thus have to terminate the DSL contract. However, I never receive confirmation from O2 in any forms.
I find it very unfavorable that there is no way to contact the provider, wait forever in the queue and then let myself be comforted. Can I assume that O2 has accepted my termination, or do I actually have to issue some letters again? Does anyone have experience here?
EDIT: Please do not use personal data in a public forum. Your number has been edited. o2_Tobias