4 thoughts on “Some Changes at SIPphone”

  1. This firewall penetrating trick is a big mystery. First Skype claimed that they had licked the problem. Many others joined the chorus; but subsequent updates claimed improvements, as it is claimed here. It will be really nice to know some additional information and also some insight into how much of the problem is left to be conquered.

  2. Anecdotally, I can tell you that Both Skype and Gizmo happily penetrate my work firewall without any configuration (Something that X-Lite won’t do), but Gizmo still falls over when I plug in to my Uni network, whereas Skype seems to have no difficulties, even behind the quite restrictive (HTTP only?) Firewall in our labs.

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