WebMeeting - asynchronous audio and video

[pbHZ]

Hi all,

first of all I must mention that Web-Meeting is a great tool to use in 3CX, we appreciate it a lot. We have done like 10 Web-Meetings with a various number of participants from 2 - 5 users.

The audio and video quality is great, here is nothing I can complain about. We do have a challenge though, at a certain point, usually during the start of a Web-Meeting, we experience a mismatch of audio and video. Video is ahead, people start talking and you think your audio is not working. People stop talking and all of sudden you hear what they said, but their mouth isn't moving. However, when we continue the Web-Meeting, after like 10 minutes or so, we experience that the audio and video at some point will be matching again to the audio. At this point, the meeting becomes fun again.

During the meetings I checked the resources on the dashboard, but I cannot remark at any point a lack of performance or resources. We have 3CX Enterprise Annual license hosted on Amazon LightSail running Version 16.0.676.

What would be the next steps for me to check on or take in account and what information can I provide you guys in order to help me narrow down the issue?

Best regards
Paul

 

[LeonidasG_3CX]

Hi there,

1. Are all participants experiencing the same issues you've described?
2. Are all participants using WebMeeting from the same location/office?
3. Could you let me know which MCU you're connecting to? You can see this in the settings > info panel inside the WebMeeting.
4. Is everyone using PC's or Mobile Devices for WebMeeting?

I'll need the info above in order to be able to narrow down on whether the issue is related to bandwidth or resources on the participants PC's. I'm excluding the MCU server itself from the above as we haven't had any other reports indicating a media sync issue.

 

[pbHZ]

Hi Leonidas,
merci for the fast reply. I hope to give detailed enough answers:

1. Yes, all participants experience the same behavior.
2. No, we have had users in Germany, Norway, Austria so far.
3. MCU is Germany (Frankfurt) #2 - aa002-fra.3cx.net (3.122.15.121) - DE Germany Frankfurt am Main - Version: 10.6.0.25687/Linux
4. Everybody is using Windows machines as well as MacBook Pro - everybody is running WebMeeting in Chrome

I also would exclude bandwidth from a first guess, as the audio quality and video quality was excellent. I had once a participant with a bad internet connection and from that I felt that the scaling down of quality worked very well. The image quality became very bad - once the bandwidth connection got better, the quality went up to being excellent again.

I almost forgot about the MCU - shall I try another one just for excluding it as cause?