Comments on Optus in Australia Blocking VoIP in The MiddleTypePad2008-12-26T15:14:58ZAndy Abramsonhttps://andyabramson.blogs.com/voipwatch/tag:typepad.com,2003:https://andyabramson.blogs.com/voipwatch/2008/12/optus-in-australia-blocking-voip-in-the-middle/comments/atom.xml/