Question about Sony PCS-1 (PCS1) Video Conference

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Packet Loss and Video Freezing Up

We are experiencing packet loss pop ups and after 10 minutes the screen freezes, where should I start?

We are currently having some problems receiving the video stream from our counterparts in China. Somehow 50% of the total packets gets lost and none are getting recovered. The video becomes so pixelated that you can't even see a clear image of what's in front of you. We have tested several resolution to fix the issue but none were successful. We did changed the bandwidth from 1024 to 4Mbps. Currently our counterparts from China can see our video clearly. We went to our vendor and did some tests at their showroom, to see whether the problem might be with our internet provider, using the same codec (PCS-G50) we did get the same result. They can see us clearly but from our end we lose a lot of packets and see a lot of pixelations and smears. Also just to add we did configure our firewall and set up the IP address of the codec outside of the firewall to avoid any filters and blockages, yet we were not successful. Please help us and see maybe there is way for us to recover the packet loss.


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  • artit Mar 10, 2008

    Also we are located in Vancouver, Canada.


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Hi artit,

I had the same problem with heavy packet lost after 10 minutes connection between Singapore and USA. We are using ADSL line and Sony PCS-G50 for video conferencing. After a much trouble-shooting, we identified that the nature of the problem lies with the Internet Service Provider's back-end server. The server has difficulties handling large and constant data packets. This could be due to the reasons that ISP using routers with more hops and small pipes. We immediately changed the ISP to a more reputated one (with better infrastructure) and now, we have a much better quality video.

Posted on Oct 20, 2008

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I assume that you are running the current Sony PCS-G50 Firmware?

Best regards,


Posted on Feb 19, 2009

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Posted on Mar 27, 2008

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