From the daily archives: Wednesday, May 18, 2005

What is the problem with SIP & NAT

By On May 18, 2005 · Leave a Comment

Getting SIP to work across a NAT or several of them from point to point can be very painful…. a sniffer and logs will help you greatly, if you can understand what is going on……

A SIP call involves both SIP signaling and RTP audio streams with the RTCP control streams as a hang-around.

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