diff --git a/AUTHORS b/AUTHORS
index ed702b6b6..3bf6671fb 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -61,6 +61,7 @@ Agora IO <*@agora.io>
 ARM Holdings <*@arm.com>
 BroadSoft Inc. <*@broadsoft.com>
 Google Inc. <*@google.com>
+Life On Air Inc. <*@lifeonair.com>
 Intel Corporation <*@intel.com>
 MIPS Technologies <*@mips.com>
 Mozilla Foundation <*@mozilla.com>
diff --git a/modules/video_coding/frame_buffer2.cc b/modules/video_coding/frame_buffer2.cc
index 50c3763dc..b4bb00280 100644
--- a/modules/video_coding/frame_buffer2.cc
+++ b/modules/video_coding/frame_buffer2.cc
@@ -147,6 +147,8 @@ FrameBuffer::ReturnReason FrameBuffer::NextFrame(
         float rtt_mult = protection_mode_ == kProtectionNackFEC ? 0.0 : 1.0;
         timing_->SetJitterDelay(jitter_estimator_->GetJitterEstimate(rtt_mult));
         timing_->UpdateCurrentDelay(frame->RenderTime(), now_ms);
+      } else {
+        jitter_estimator_->FrameNacked();
       }
 
       // Gracefully handle bad RTP timestamps and render time issues.
@@ -247,6 +249,11 @@ void FrameBuffer::Stop() {
   new_continuous_frame_event_.Set();
 }
 
+void FrameBuffer::UpdateRtt(int64_t rtt_ms) {
+  rtc::CritScope lock(&crit_);
+  jitter_estimator_->UpdateRtt(rtt_ms);
+}
+
 bool FrameBuffer::ValidReferences(const FrameObject& frame) const {
   if (frame.picture_id < 0)
     return false;
diff --git a/modules/video_coding/frame_buffer2.h b/modules/video_coding/frame_buffer2.h
index 32eba8a3c..e502666a8 100644
--- a/modules/video_coding/frame_buffer2.h
+++ b/modules/video_coding/frame_buffer2.h
@@ -74,6 +74,9 @@ class FrameBuffer {
   // return immediately.
   void Stop();
 
+  // Updates the RTT for jitter buffer estimation.
+  void UpdateRtt(int64_t rtt_ms);
+
  private:
   struct FrameKey {
     FrameKey() : picture_id(-1), spatial_layer(0) {}
diff --git a/video/video_receive_stream.cc b/video/video_receive_stream.cc
index 1db768940..36905913f 100644
--- a/video/video_receive_stream.cc
+++ b/video/video_receive_stream.cc
@@ -176,6 +176,7 @@ void VideoReceiveStream::Start() {
 
   frame_buffer_->Start();
   call_stats_->RegisterStatsObserver(&rtp_video_stream_receiver_);
+  call_stats_->RegisterStatsObserver(this);
 
   if (rtp_video_stream_receiver_.IsRetransmissionsEnabled() &&
       protected_by_fec) {
@@ -225,6 +226,7 @@ void VideoReceiveStream::Stop() {
   rtp_video_stream_receiver_.StopReceive();
 
   frame_buffer_->Stop();
+  call_stats_->DeregisterStatsObserver(this);
   call_stats_->DeregisterStatsObserver(&rtp_video_stream_receiver_);
   process_thread_->DeRegisterModule(&video_receiver_);
 
@@ -347,6 +349,10 @@ void VideoReceiveStream::OnCompleteFrame(
     rtp_video_stream_receiver_.FrameContinuous(last_continuous_pid);
 }
 
+void VideoReceiveStream::OnRttUpdate(int64_t avg_rtt_ms, int64_t max_rtt_ms) {
+  frame_buffer_->UpdateRtt(max_rtt_ms);
+}
+
 int VideoReceiveStream::id() const {
   RTC_DCHECK_CALLED_SEQUENTIALLY(&worker_sequence_checker_);
   return config_.rtp.remote_ssrc;
diff --git a/video/video_receive_stream.h b/video/video_receive_stream.h
index 7a4a13e47..b2eaa5e2e 100644
--- a/video/video_receive_stream.h
+++ b/video/video_receive_stream.h
@@ -50,7 +50,8 @@ class VideoReceiveStream : public webrtc::VideoReceiveStream,
                            public NackSender,
                            public KeyFrameRequestSender,
                            public video_coding::OnCompleteFrameCallback,
-                           public Syncable {
+                           public Syncable,
+                           public CallStatsObserver {
  public:
   VideoReceiveStream(RtpStreamReceiverControllerInterface* receiver_controller,
                      int num_cpu_cores,
@@ -103,6 +104,9 @@ class VideoReceiveStream : public webrtc::VideoReceiveStream,
   void OnCompleteFrame(
       std::unique_ptr<video_coding::FrameObject> frame) override;
 
+  // Implements CallStatsObserver::OnRttUpdate
+  void OnRttUpdate(int64_t avg_rtt_ms, int64_t max_rtt_ms) override;
+
   // Implements Syncable.
   int id() const override;
   rtc::Optional<Syncable::Info> GetInfo() const override;