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RTP over GTP with PCMU content- Disection
From: NITIN GOYAL <nitinkumgoyal () gmail com>
Date: Mon, 16 Apr 2012 20:06:11 +0530
Hi How the GTP-u content being dissected by Wireshark? Is the content inside GTP-U also encrypted if i don't have the ipsec over it? I have some G711 PCMU content with GTP tunneling as shown by Wireshark but i am seeing there are two packets with the same content everywhere but the IPs are different. I am not able to understand how this has been dis-sected and is the content really encrypted or not as in generally the frame size of the PCMU content is 160 bytes without RTP header but here i am seeing only 32 bytes without header. Anyone has any idea on this GTP-U content or can provide me some documents or resource to understand the same? Thanks Nitin
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