This Mumble server is free for anyone to use. If you need a channel to be created please let me know and I will add. The service uses such little resources it costs my system nothing to run it so free to use.
It currently resides on a VPS hosted in London via DigitalOcean. If anything starts getting out of hand I will lock it off.
If you want a channel to be created or anything else please contact me via one of the many contact methods on the site.