Hi all, I am using the built-in uac_pcap scenario to run RTP traffic. This scenario uses the built-in ./pcap/g711a.pcap file as the source for the media. In the file, as distributed, the packets are marked as best effort (0x00000010) (this is actually DSCP Unknown, according to Wireshark.) I modified this field in the capture so that the TOS would be a known value (I'm using 184 so that the packets are marked as Expedited Forwarding, DSCP = 46.) After the change, if I look at g711a.pcap in Wireshark everything looks great.
The problem I'm having is that no matter what I do, no matter what this field is, when I actually sniff the resulting RTP packets using Wireshark while SIPp is sending this media, this field shows up as 0x00. So DSCP CS0. Any thoughts about why that's happening? I don't know where this is being reset, and I don't see any settings in SIPp that would be doing that, but it's possible I missed it. Thanks. Leigh
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