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I was trying to know if I send a file through skype to friend who is in same LAN as me then whether it will get transferred via LAN or it will consume some my internet bandwidth also.

I have searched a little bit but I found links about skype calls not file transfers. So I'm not pretty sure if skype file transfers doesn't consumes internet bandwidth. Is anyone sure here? Any reference?

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Just try it. You'll see if it is done with LAN speed or internet speed. –  Daniel Andersson May 16 '12 at 11:49
I have tried it. Sometimes transfer is pretty fast. sometimes its very slow. That's why I'm not getting sure about it. –  KEYSS.Imdad May 16 '12 at 11:57
If direct connection is possible, it should use it. If not (NAT or firewall in the way) it will fall back to relayed transfer. Perhaps it is smart enough to only require one of the parts to be directly connectable. –  Daniel Andersson May 16 '12 at 12:06
This may no longer be the case, what with Microsoft changing the way Skype works to make calls easier to intercept. There was also the issue of being able to track a Skype users' IP address, hence the new Allow direct connection to your contacts only option under Options->Advanced->Connection –  Basic Feb 1 '14 at 11:43

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