Instead of relying on Google STUN servers we could/should leverage XEP-0215: External Service Discovery
Reference: https://github.com/tigase/stork/issues/28
Feature implemented in the same way as in BeagleIM with an option to disable usage of public STUN servers if no STUN/TURN servers are advertised by the XMPP server.
Instead of relying on Google STUN servers we could/should leverage XEP-0215: External Service Discovery
Reference: https://github.com/tigase/stork/issues/28