Mobile Troubleshooting of H.323 Video

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Mobile Troubleshooting of H.323 Video

  1. 1. Troubleshooting Tools For H.323 Video VRG/DRG Meeting Thursday, Dec 2, 2004 Sujay Daniel Info.Sys & Network Architect, NJEDge.Net
  2. 2. What you need …  Polycom PVX Software Codec downloadable at http://www.polycomconnect.com/Apps/DCS/mcp?r=7003eZS0000003G1803eZS0 30-day License: XPVX-DEMO-0105 Key Code: X79E-F9A3-6110-0C85-0001  Ethereal (packet capture utility) Free software downloadable at http://www.ethereal.com  Webcam  Notebook/Laptop PC Intel Pentium IV 1.8 GHz or higher ViaVideo or DxVA – Pentium III 8000MHz  DirectX 9.0b or later  Internet Explorer v6.0 for Webcommander VRG/DRG Meeting – December 2, 2004
  3. 3. Polycom PVX Features  High quality, sharp video with H.264 compression  CD-like audio quality with Polycom’s Siren™ 14 audio  IP network support at call rates up to 2 Mbps  Call security ensured via embedded AES encryption of audio, video and content  Ability to monitor Call & Media Statistics  Supports DirectX Video Acceleration (DxVA) Recommended Cameras  Polycom ViaVideo  Polycom ViaVideo II  Logitech® QuickCam® Pro 4000  Logitech QuickCam for Notebooks Pro  Logitech QuickCam Orbit VRG/DRG Meeting – December 2, 2004
  4. 4. Setting up the Polycom PVX Enter the IP address of your gatekeeper Specify an e.164 number for the codec Make sure the packets are being marked With IP precedence of 4 for video and audio VRG/DRG Meeting – December 2, 2004
  5. 5. WebCommander For testing with the portal, add the codec in WebCommander VRG/DRG Meeting – December 2, 2004
  6. 6. WebCommander Place the codec in a meeting with another codec VRG/DRG Meeting – December 2, 2004
  7. 7. Ethereal Capturing packets Click on ‘Start’ under the Capture menu VRG/DRG Meeting – December 2, 2004
  8. 8. Ethereal Capturing packets Select the right network interface VRG/DRG Meeting – December 2, 2004
  9. 9. Ethereal Capturing packets If your codec was configured as ‘dial-out’ in WebCommander, then click on the ‘Connect’ button next to your codec VRG/DRG Meeting – December 2, 2004
  10. 10. Ethereal Capturing packets If your codec was configured as ‘dial-in’ in WebCommander, then Click on the ‘Call’ button VRG/DRG Meeting – December 2, 2004
  11. 11. Ethereal Capturing packets Packets are being captured VRG/DRG Meeting – December 2, 2004
  12. 12. Polycom PVX Statistics Screen VRG/DRG Meeting – December 2, 2004
  13. 13. Ethereal Stopping the capture After your test time hang up the codec by clicking the ‘Hang-up’ button VRG/DRG Meeting – December 2, 2004
  14. 14. Analysis Checking IP Precedence Check if the packets are being marked for IP precedence of 4 VRG/DRG Meeting – December 2, 2004
  15. 15. Analysis RTP Stream Analysis Select a video packet In the menu click on : Statistics > RTP > Stream Analysis VRG/DRG Meeting – December 2, 2004
  16. 16. Analysis RTP Stream Analysis Delay and Jitter values are shown for the incoming video stream Packet # 318 & 319 are out of order Click on the ‘Graph’ button to display this information graphically VRG/DRG Meeting – December 2, 2004
  17. 17. Analysis RTP Stream Analysis - Graphs Graph of Delay (in ms) v/s time Graph of Jitter (in ms) v/s time VRG/DRG Meeting – December 2, 2004
  18. 18. Analysis RTP Stream Analysis - Exporting To export this information to Excel click on the ‘Save as CSV’ button VRG/DRG Meeting – December 2, 2004
  19. 19. Analysis RTP Stream Analysis - Excel VRG/DRG Meeting – December 2, 2004
  20. 20. Analysis RTP Stream Analysis – Excel Reporting Bandwidth Graph VRG/DRG Meeting – December 2, 2004
  21. 21. Analysis RTP Stream Analysis – Excel Reporting Graph of Delay and Jitter VRG/DRG Meeting – December 2, 2004
  22. 22. Thank You DRG Meeting - Thursday, Dec 2, 2004

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