1. Logging in

To use the Administration Portal, you have to log in with your 1&1 Business Phone username and password. These are the same credentials you would use at https://start.1und1-businessphone.de.

  1. Go to https://setup.1und1-businessphone.de.

  2. Enter your username (your email) and password (which have been provided to you by 1&1 Versatel).

  3. Click Sign in.
    ⇒ Once logged in, you will see the Tenant configuration page.