[h323plus] RTP Packet Issue

[Jan Willamowius]

Hi,

using the latest H323Plus, I see the same timestamp error on video
packets with a marker in Wireshark, but I see it in both directions
(Polycom PVX to H323Plus and reverse).

Regards,
Jan

Simon Horne 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.
> 


-- 
Jan Willamowius, jan at willamowius.de, http://www.gnugk.org/