diff --git a/modules/rtp_rtcp/source/rtcp_transceiver_config.cc b/modules/rtp_rtcp/source/rtcp_transceiver_config.cc
index ab0842916c..c129d171ee 100644
--- a/modules/rtp_rtcp/source/rtcp_transceiver_config.cc
+++ b/modules/rtp_rtcp/source/rtcp_transceiver_config.cc
@@ -27,6 +27,8 @@ bool RtcpTransceiverConfig::Validate() const {
     LOG(LS_WARNING)
         << debug_id
         << "Ssrc 0 may be treated by some implementation as invalid.";
+  if (cname.empty())
+    LOG(LS_WARNING) << debug_id << "missing cname for ssrc " << feedback_ssrc;
   if (cname.size() > 255) {
     LOG(LS_ERROR) << debug_id << "cname can be maximum 255 characters.";
     return false;
diff --git a/modules/rtp_rtcp/source/rtcp_transceiver_config.h b/modules/rtp_rtcp/source/rtcp_transceiver_config.h
index 81b925d580..187ad189d5 100644
--- a/modules/rtp_rtcp/source/rtcp_transceiver_config.h
+++ b/modules/rtp_rtcp/source/rtcp_transceiver_config.h
@@ -33,7 +33,8 @@ struct RtcpTransceiverConfig {
   // Ssrc to use as default sender ssrc, e.g. for transport-wide feedbacks.
   uint32_t feedback_ssrc = 1;
 
-  // Cname of the local particiapnt.
+  // Canonical End-Point Identifier of the local particiapnt.
+  // Defined in rfc3550 section 6 note 2 and section 6.5.1.
   std::string cname;
 
   // Maximum packet size outgoing transport accepts.
diff --git a/modules/rtp_rtcp/source/rtcp_transceiver_impl.cc b/modules/rtp_rtcp/source/rtcp_transceiver_impl.cc
index 6feb55da57..c8db3c858b 100644
--- a/modules/rtp_rtcp/source/rtcp_transceiver_impl.cc
+++ b/modules/rtp_rtcp/source/rtcp_transceiver_impl.cc
@@ -19,6 +19,7 @@
 #include "modules/rtp_rtcp/source/rtcp_packet.h"
 #include "modules/rtp_rtcp/source/rtcp_packet/receiver_report.h"
 #include "modules/rtp_rtcp/source/rtcp_packet/report_block.h"
+#include "modules/rtp_rtcp/source/rtcp_packet/sdes.h"
 #include "rtc_base/checks.h"
 
 namespace webrtc {
@@ -87,8 +88,13 @@ void RtcpTransceiverImpl::SendCompoundPacket() {
     rr.SetReportBlocks(std::move(report_blocks));
   }
   sender.AppendPacket(rr);
-  // TODO(danilchap): Append SDES to conform to the requirements on minimal
-  // compound RTCP packet.
+  if (!config_.cname.empty()) {
+    rtcp::Sdes sdes;
+    bool added = sdes.AddCName(config_.feedback_ssrc, config_.cname);
+    RTC_DCHECK(added) << "Failed to add cname " << config_.cname
+                      << " to rtcp sdes packet.";
+    sender.AppendPacket(sdes);
+  }
 
   sender.Send();
 }
diff --git a/modules/rtp_rtcp/source/rtcp_transceiver_impl_unittest.cc b/modules/rtp_rtcp/source/rtcp_transceiver_impl_unittest.cc
index 9d0b4c0fab..ca335ec438 100644
--- a/modules/rtp_rtcp/source/rtcp_transceiver_impl_unittest.cc
+++ b/modules/rtp_rtcp/source/rtcp_transceiver_impl_unittest.cc
@@ -36,19 +36,28 @@ class MockReceiveStatisticsProvider : public webrtc::ReceiveStatisticsProvider {
   MOCK_METHOD1(RtcpReportBlocks, std::vector<ReportBlock>(size_t));
 };
 
-TEST(RtcpTransceiverImplTest, ForceSendReportEmitsRtcpPacket) {
+TEST(RtcpTransceiverImplTest, SendsMinimalCompoundPacket) {
+  const uint32_t kSenderSsrc = 12345;
   MockTransport outgoing_transport;
-  RtcpPacketParser rtcp_parser;
-  EXPECT_CALL(outgoing_transport, SendRtcp(_, _))
-      .WillOnce(Invoke(&rtcp_parser, &RtcpPacketParser::Parse));
-
   RtcpTransceiverConfig config;
+  config.feedback_ssrc = kSenderSsrc;
+  config.cname = "cname";
   config.outgoing_transport = &outgoing_transport;
   RtcpTransceiverImpl rtcp_transceiver(config);
 
-  ASSERT_EQ(rtcp_parser.receiver_report()->num_packets(), 0);
+  RtcpPacketParser rtcp_parser;
+  EXPECT_CALL(outgoing_transport, SendRtcp(_, _))
+      .WillOnce(Invoke(&rtcp_parser, &RtcpPacketParser::Parse));
   rtcp_transceiver.SendCompoundPacket();
-  EXPECT_GT(rtcp_parser.receiver_report()->num_packets(), 0);
+
+  // Minimal compound RTCP packet contains sender or receiver report and sdes
+  // with cname.
+  ASSERT_GT(rtcp_parser.receiver_report()->num_packets(), 0);
+  EXPECT_EQ(rtcp_parser.receiver_report()->sender_ssrc(), kSenderSsrc);
+  ASSERT_GT(rtcp_parser.sdes()->num_packets(), 0);
+  ASSERT_EQ(rtcp_parser.sdes()->chunks().size(), 1u);
+  EXPECT_EQ(rtcp_parser.sdes()->chunks()[0].ssrc, kSenderSsrc);
+  EXPECT_EQ(rtcp_parser.sdes()->chunks()[0].cname, config.cname);
 }
 
 TEST(RtcpTransceiverImplTest, ReceiverReportUsesReceiveStatistics) {