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[Cedric Baudoin <question254639@xxxxxxxxxxxxxxxxxxxxx>]

Question #254639 on rohc changed:
https://answers.launchpad.net/rohc/+question/254639

Cedric Baudoin proposed the following answer:
Hi,

If you want safer RTP flow identification, you can also you Deep Packet
Inspection (DPI) tools, such as TIE or libprotoident
 that give very good results for determining the related protocol stack
used by applications

Cheers

Cédric

2014-09-21 13:26 GMT+02:00 Didier Barvaux <
question254639@xxxxxxxxxxxxxxxxxxxxx>:

> Question #254639 on rohc changed:
> https://answers.launchpad.net/rohc/+question/254639
>
>     Status: Open => Answered
>
> Didier Barvaux proposed the following answer:
> Hello,
>
> > The rtp_detect_cb(...) in the [...]/sniffer.c#L1739 is enough and
> accurate
> > for RTP detection from the UDP streams? Are there any negligence or
> > improvement for it? Thank you.
>
> It entirely depends on your needs. And on your RTP streams. Think of it
> as a good start that may be modified to fit your needs.
>
> >     It seems as if the RTP detection in lib 1.7.0 is also implemented by
> a
> > fixed list of UDP ports that are considered as used only for RTP traffic.
>
> Yes, but that code is considered as deprecated in favor of the callback
> function. It will be removed in next version. I advise you that you
> don't use it in new code.
>
> Regards,
> Didier
>
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