Mumble
Configure mumble as shown in the following image. Your password in Mumble is the same as used here.
Student association
mumble.mafiasi.de
64738
Your username
The fingerprint of the current SSL certificate is:
SHA1 Fingerprint=27:AC:F5:B9:27:91:FD:47:22:5A:33:7E:FF:1B:75:0A:8F:06:EA:D4