Current connection info:
serv: voice.lowpop.ca
port: 1337
pass: Barked07chided51Brooder66Wits69spheres

Integrity
It is good practice to always check the hashes of the files you download, lest they be incomplete, damaged or tampered with!
To address concerns on the latter, you will be needing these *.sig files @ GitHub.
The binaries linked on the main page correspond to these SHA256-Hashes below.

SHA256 hashes of binaries found at Mumble Team's Github account for release version 1.3.0.
83dd36754e7369f2df5c540786784dd98d3095f21879e6602d079eaf27158a01 mumble-1.3.0.winx64.msi
9a8de2547344962a81c00c37b5d8bd5a371bb685fa36cf03a3f134e37c79b80d mumble-1.3.0.tar.gz
ffe648f07e3749dac1b7e9e82eb15b032e4547b8bfd48d568a618057dea6ee49 Mumble-1.3.0.dmg