Comments on What OS 4.0 on Apple Devices Means to VoIPTypePad2010-04-11T14:19:44ZAndy Abramsonhttps://andyabramson.blogs.com/voipwatch/tag:typepad.com,2003:https://andyabramson.blogs.com/voipwatch/2010/04/what-os-40-on-apple-devices-means-to-voip/comments/atom.xml/