Benutzeraktivitäten

Hello,I'm moving to a new apartment that has Internet already installed (part of the rent, with no choice to pay internet separately) and I would like to cancel my current Internet Contract.  Could you please advise me on what I should do? Thank you ...
Hello,    I’m moving to a new apartment that has Internet already installed and I would like to cancel my contract. My Kd-Nr is xxxx. I am moving now, August 2019. I got in contact with you via the website: no one answered but I got sent the document...