[h323plus] RTP Packet Issue

kc ooi kcooi12345 at gmail.com
Wed Feb 23 11:15:38 EST 2011


Dear Simon, H323plus members,

Thanks for your reply.

One thing that I am not understand is why it happened at the packets which
are sent by polycom site, but the bug was fixed at our site(h323plus)
system?

Thanks.
On Wed, Feb 23, 2011 at 7:25 PM, Simon Horne <s.horne at packetizer.com> wrote:

>
>
> Kc
>
>
>
> Yes you are correct there was a bug with the timestamp on the marker packet
> being incorrect, that should have been fixed in the last release.
>
> Update to the latest release.
>
>
>
> That should also help resolve some issues with packets being discarded.
>
>
>
> Simon
>
>
>
>
>
>
>
> *From:* h323plus-bounces at lists.packetizer.com [mailto:
> h323plus-bounces at lists.packetizer.com] *On Behalf Of *kc ooi
> *Sent:* 23 February 2011 19:54
> *To:* h323plus at lists.packetizer.com"
> *Subject:* [h323plus] RTP Packet Issue
>
>
>
> Dear H323plus Team members,
>
>
>
> Recently, I have found some issue when I am doing H.323  testing with
> polycom system (eg. PVX 8.0.2) and checked the packet traffic using
> wireshark.
>
>
>
> I use RTP stream analysis of wireshark for viewing the result, and I notice
> that every packet(which is final slice of a frame, contain Marker=1) has a
> status of "Incorrect timestamp".
>
>
>
> 1. Why it behave like this?
>
>
>
> 2. Does it affect the receiving site during a conference meeting?
>
>
>
> 3. Is there any timeout for RTP packet handling(like dropping packet) in
> h323plus? Because I found out that it cause large packet loss during the
> conference compare to other h.323
>
>     system on the same situation(ie. same executing environment).
>
>
>
>  Btw, I have done some enhancement on MyOutput display according to the
> suggestion of "Simon" to one of the h323 member, to avoid dropping packet.
>
>
>
> Thanks.
>
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