Wireshark · Ethereal-users: Re: [Ethereal-users] RTP Analysis

["Philippe De Neve" <Philippe.deneve@xxxxxxxxxxxxxx>]

Hi,




> When I am looking at a trace I see the value of SET under the
> MARKER heading.  What does that mean?

in my experience with RTP the MARKER bit is SET (true) if the payload of the
RTP packet contains the last data of a frame. The next packet contains the
start  of a new frame!


> For those familiar with H.323 how many packets received witht
> the "wrong seq numbers" really effect the VIdeo and Audio.
>
> I have a trace with shows two packets received out of order.
> How many instances of this does it take to affect the quality of the
> video?

Isn't this dependent on the buffer size ( or buffering time ) of the player?