Hi deutscheparts,
I'm really sorry you've been having problems and I can understand your frustration. As you are a
Business customer here's a link relevant to your complaint in our BT Business contact us pages. There's also further information about how to make a complaint about BT Business in our help articles.
This Community Forum is for Business customers to help other Business customers with queries about products and services and not really the best way to get the help you need from BT. You can get contact details, including complaints information from our contact us pages.
Markp