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Re:EFF adds ASCII art to its DNS by MichaelGG on Friday March 14, 2014 @12:43AM (#7397026)
>So, they don't use IP Telephony then?

A lot of VoIP deployments simply ignore the whole DNS side of things, or at best use an A record. Especially in wholesale, it's IP only (using domains breaks some things), and authentication is based on IP, too. (Source IP on a UDP packet - very secure.)

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