SDP has been a frequent topic, both here on webrtcHacks as well as in the discussion about the standard itself. Modifying the SDP in arcane ways is referred to as SDP munging. This post gives an introduction into what SDP munging is, why its done and why it should not be done. This is not […]
Is everyone switching to Unified Plan?
Review of Chrome’s migration to WebRTC’s Unified Plan, how false metrics may have misguided this effort, and what that means moving forward.
How Zoom’s web client avoids using WebRTC (DataChannel Update)
Editor’s Note: This post was originally published on October 23, 2018. Zoom recently started using WebRTC’s DataChannels so we have added some new details at the end in the DataChannels section. Zoom has a web client that allows a participant to join meetings without downloading their app. Chris Koehncke was excited to see how this […]
The WhatsApp RTCP exploit – what might have happened?
As you may have heard, Whatsapp discovered a security issue in their client which was actively exploited in the wild. The exploit did not require the target to pick up the call which is really scary. Since there are not many facts to go on, lets do some tea reading… The security advisory issued by […]
Finding the Warts in WebAssembly+WebRTC
A while ago we looked at how Zoom was avoiding WebRTC by using WebAssembly to ship their own audio and video codecs instead of using the ones built into the browser’s WebRTC. I found an interesting branch in Google’s main (and sadly mostly abandoned) WebRTC sample application apprtc this past January. The branch is named […]