Low latency rtsp stream over Kurento and webRTC

I'm trying to stream video from a camera using RTSP with H.264 encoding at a resolution of 1280*720.

when I use an RTSP client directly from Gstreamer using gst-launch i get a latency of about 160ms.

BUT when i use Kurento and webRTC to view the stream through chrome/chromium browser the latency is much higher, at about 250ms.

from what ive heard from someone who knows about web streaming more then i do, that is the limit, and streaming with lower latency is not possible.

is that really the case? i cant display any stream on a normal browser with a latency lower then that?

considering that 160ms is the lowest latency i can get.

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How can i improve my latency? what parameters should i look into?

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note: alredy tried looking into the jitter buffer but from what ive gathered, its making no delay by default.