Audio lag


New Member
We're using Web Call server version 4.0.1450
We're having a delay of 3-5 seconds in hearing the attendee. ie, If a person say "Hello... Jim", caller would hear "Jim,". Any issues has been reported in this call server version? Or we need to check any other parameters in

Media provider: Flash
Browser: Chrome
Machine: Linux and Mac


Staff member
In latest versions of wcs_api (client) Flash media provider is disabled for Chrome and Firefox browsers.
It should use WebRTC by default. Try to switch to WebRTC media provider and check the latency again.