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Old 12-27-2007   #1
Gary Miyakawa
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Default New H323 IP Testing Site

Hey folks! It's been a while...

Many of you are familiar with www.vtctest.com (71.14.2.158). It's based on a Polycom VSX 7000 with a couple of PC's driving it. It's worked pretty well and we are averaging over 100 calls a day.

We have been working on a testing product that could be used without a full video conferencing endpoint.

Some of you have tried it, but I thought I would mention it in the forums. It's call Digital Video Loopback (the name will change in the future).

You can access it by dialing 71.14.2.154. It will give you a complete loop back of your call. Audio and video. Nothing really surprising EXCEPT this is being done completely with software (read, NO CODEC). The advantage here is that you "could" have this on your laptop and be able to test an installation without having to have a 2nd codec to test with.

Basically, we are reworking the packet headers and sending it back to you (there is a LOT more than that going on, but you get the idea).

There is a web page you can access to look at the call progression. It's functional (not really pretty). We are working on some graphs for packet loss, frame rate, etc. Those will come too.

We are limiting the calls to 384kb (I still only have 1mb of upspeed here since I'm paying for all this myself).

The call will last 30 seconds and then drop.

I'm including an image from the console (not to be confused with the webpage) to give you an idea of all the information we have.

We'd love to hear some feedback on this guy. Thoughts, ideas, etc.

Here's a screen capture of the console!

Thanks,

Gary Miyakawa
[email protected]


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Digital Video Loopback - 71.14.2.154
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Streaming Call Analysis tool - Simplify packet traces. www vtc-csi.com
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Old 01-24-2008   #2
yang
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can I get the Digital video loopback?
if it's not free, please let me know how to get it.
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Old 08-03-2010   #3
dgieckel
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Default very cool

This is great and I will use this and pass it on. I just tried it but received no H.239 signal from you but tested with my equipment and it worked fine. Using a Codian bridge and content was pending. Just some friendly feedback. Itís a little slow. If you could shorten the time between the different tests that would be great.

Thanks,

Dan
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Old 08-03-2010   #4
dgieckel
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Default Just realize you have two IP's

As per my feedback above maybe one IP could be a fast test for people who just want to check to see if everyting is working and the other for those of us who want to monitor stats while we perform the test.

Thanks again,

Dan
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Old 08-03-2010   #5
Gary Miyakawa
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Dan,

71.14.2.157 is a bit faster (about 2:26) for a complete call. I didn't see you come thru on .157. Please try it to make sure it's working for you. It should even call back if you are on a public IP..

This whole project has been a "freebie" for the last 6 years... I'm not charging for it but would appreciate donations if someone found the site particularly usefull since I'm footing the BW costs (about $200 per month). Please go to www.vtctest.com for a link for donations..

Thanks for the feed back, maybe we will try to build an extension that would give fast tests (or maybe let you use FECC to control the tests).. Those are just ideas..

P.S. you might try the 71.14.2.154 and if you are on a Polycom endpoint, you will see some of the statistic on closed captioning...

Gary Miyakawa
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Wanna' Test your H.323 System? (71.14.2.157 or 71.14.2.158)
Digital Video Loopback - 71.14.2.154
Monitor Multiple VTC systems - www vtcmonitor.com
Streaming Call Analysis tool - Simplify packet traces. www vtc-csi.com
iPod/iPhone/Android VTC-Remote NOW available in their stores.
VTC-Info - Video conferencing equipment inventory tool. www vtc-info.com
Want a custom HDX/Group remote for android device ? Let's talk !
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Old 06-13-2011   #6
darrenm6
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Is the digital video loopback still working? 71.14.2.154 is the IP I'm dialing. It just rings, and has been for the past couple of weeks.
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Old 06-13-2011   #7
Gary Miyakawa
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Hey folks,

Looks like DVL (Digital Video Loopback) is down at this point I'm on the road (Infocomm) so I won't be able to reboot it til I get home. Please use the Callback sites (71.14.2.157 or 71.14.2.158) until then.

Thanks for letting me know it's not working!

Cheers,

Gary Miyakawa
__________________
Wanna' Test your H.323 System? (71.14.2.157 or 71.14.2.158)
Digital Video Loopback - 71.14.2.154
Monitor Multiple VTC systems - www vtcmonitor.com
Streaming Call Analysis tool - Simplify packet traces. www vtc-csi.com
iPod/iPhone/Android VTC-Remote NOW available in their stores.
VTC-Info - Video conferencing equipment inventory tool. www vtc-info.com
Want a custom HDX/Group remote for android device ? Let's talk !
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Old 06-20-2011   #8
Gary Miyakawa
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Ok, back home after a very successful Infocomm ! CB157/158 are up and running just fine. DVL (154) is back up and functioning as expected. We will start testing CB version 3.0 this week. Doesn't change what you guys see but is should add most reliability and stability for users. (fingers crossed, less frozen screens)...

VTC-Remote is out there in both the Apple and Android versions...

VTC-CSI is getting interest from some service providers...

I'm considering moving my VTC-Monitor (at least a limited version, not with all 128 columns of info) on to the mobile devices.... Would be very convienent for me

Cheers,

Gary Miyakawa
__________________
Wanna' Test your H.323 System? (71.14.2.157 or 71.14.2.158)
Digital Video Loopback - 71.14.2.154
Monitor Multiple VTC systems - www vtcmonitor.com
Streaming Call Analysis tool - Simplify packet traces. www vtc-csi.com
iPod/iPhone/Android VTC-Remote NOW available in their stores.
VTC-Info - Video conferencing equipment inventory tool. www vtc-info.com
Want a custom HDX/Group remote for android device ? Let's talk !
Gary Miyakawa is online now   Reply With Quote
Old 07-22-2011   #9
darrenm6
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Default Problem's with loopback?

Hi, just wondering if you are experiencing any problems with 71.14.2.154? I've tried calling it a couple of times in the past few days, but I'm not getting connected.

We use this service nearly every day, so thank you very much for your efforts in keeping this up for testing!
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Old 07-22-2011   #10
Gary Miyakawa
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Default

It looks to be up but I'll restart it. btw, you always have 71.14.2.157 and .158 available too....
__________________
Wanna' Test your H.323 System? (71.14.2.157 or 71.14.2.158)
Digital Video Loopback - 71.14.2.154
Monitor Multiple VTC systems - www vtcmonitor.com
Streaming Call Analysis tool - Simplify packet traces. www vtc-csi.com
iPod/iPhone/Android VTC-Remote NOW available in their stores.
VTC-Info - Video conferencing equipment inventory tool. www vtc-info.com
Want a custom HDX/Group remote for android device ? Let's talk !
Gary Miyakawa is online now   Reply With Quote
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