How To Change WebRTC Jitter Buffer Settings?

[Confygre]

Is it possible to set jitter settings in webrtc? My WebRTC video stream gets more jitter than other webRTC video streams? Why am I getting this? Is there a way to reduce the jitter buffer or flush it? so I can remove video lag issue.
Other Stream

My Stream

I am currently using this settings, but it does not shows any improvement