We are using TAP but those are passive tap ( only mirrors on optic fibers link  - Netoptics TAP) so  why would they strip something.

The other thing is  if  I understand Wireshark is doing delta calculation for jitter infos right ?

Regards.

>First - Question – If you were using a SPAN port or some of the new filter TAPs for access than there will be no jitter..the >switch or chipset in the Filter TAP  grooms everything. Thus no jitter, no bad frames…etc.

Hi,

I captured  an RTP stream from Microsoft Office Communicator and  I<m not able to see any jitter

from Wireshark.    The dissectors are not detecting the RTP so I have to do a “Decode As…  RTP”

then it sees   PT=DynamicRTP-Type-114   but  when I do “Analyze” for the stream there is no jitter nor deltas etc.

We are unable to graph any of the above mentioned RTP streams info.

Any idea ?

Regards.

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André Noël
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