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Continue to ChatSametime and NAT Support explained in one simple diagram https://www.curiousmitch.com/2007/11/sametime-and-nat-support-explained-in-one-simple-diagram/
Sametime and NAT Support explained in one simple diagram https://www.curiousmitch.com/2007/11/sametime-and-nat-support-explained-in-one-simple-diagram/