Hi Jaap,

It worked! Thanks very much for your time and help!

Best Regards
Nan Xiao


On Wed, Oct 13, 2021 at 8:55 PM Jaap Keuter <jaap.keu...@xs4all.nl> wrote:

> Hi,
>
> Have a look in your preferences file. There you’ll find an entry for
> evs.dynamic.payload.type. Use that on the command line with -o.
>
> Thanks,
> Jaap
>
> > On 13 Oct 2021, at 10:45, Nan Xiao <xiaonan830...@gmail.com> wrote:
> >
> > Hi Community,
> >
> > Greetings from me!
> >
> > I have a RTP packet whose payload type is "109", and actually it is EVS
> payload type. For some reason, I can't get SIP/SDP packets. But through
> setting "EVS dynamic payload types", I can decode the packet finally.
> >
> > I want to know whether it is possible to do the same thing through
> tshark. i.e., I tried to use following command:
> >
> > $ ./run/tshark -r ~/evs.pcapng -d udp.port==20956,evs
> >
> > tshark reported error: tshark: Protocol "evs" isn't valid for layer type
> "udp.port".
> >
> > The pcap file is attached for reference, thanks in advance!
> >
> > Best Regards
> > Nan Xiao
> >
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