diff --git a/api.txt b/api.txt
index 4c03f14089..e138ae401a 100644
--- a/api.txt
+++ b/api.txt
@@ -548,6 +548,7 @@ package androidx.media3.common {
     field public static final String APPLICATION_PGS = "application/pgs";
     field @Deprecated public static final String APPLICATION_RAWCC = "application/x-rawcc";
     field public static final String APPLICATION_RTSP = "application/x-rtsp";
+    field public static final String APPLICATION_SDP = "application/sdp";
     field public static final String APPLICATION_SS = "application/vnd.ms-sstr+xml";
     field public static final String APPLICATION_SUBRIP = "application/x-subrip";
     field public static final String APPLICATION_TTML = "application/ttml+xml";
diff --git a/libraries/common/src/main/java/androidx/media3/common/MimeTypes.java b/libraries/common/src/main/java/androidx/media3/common/MimeTypes.java
index 969b61a0b2..91bebc4960 100644
--- a/libraries/common/src/main/java/androidx/media3/common/MimeTypes.java
+++ b/libraries/common/src/main/java/androidx/media3/common/MimeTypes.java
@@ -139,6 +139,7 @@ public final class MimeTypes {
   public static final String APPLICATION_VOBSUB = BASE_TYPE_APPLICATION + "/vobsub";
   public static final String APPLICATION_PGS = BASE_TYPE_APPLICATION + "/pgs";
   @UnstableApi public static final String APPLICATION_SCTE35 = BASE_TYPE_APPLICATION + "/x-scte35";
+  public static final String APPLICATION_SDP = BASE_TYPE_APPLICATION + "/sdp";
 
   @UnstableApi
   public static final String APPLICATION_CAMERA_MOTION = BASE_TYPE_APPLICATION + "/x-camera-motion";
diff --git a/libraries/exoplayer_rtsp/src/main/java/androidx/media3/exoplayer/rtsp/RtspClient.java b/libraries/exoplayer_rtsp/src/main/java/androidx/media3/exoplayer/rtsp/RtspClient.java
index 11c47251a7..a551beb0e8 100644
--- a/libraries/exoplayer_rtsp/src/main/java/androidx/media3/exoplayer/rtsp/RtspClient.java
+++ b/libraries/exoplayer_rtsp/src/main/java/androidx/media3/exoplayer/rtsp/RtspClient.java
@@ -39,11 +39,11 @@ import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.net.Uri;
 import android.os.Handler;
-import android.os.Looper;
 import android.util.SparseArray;
 import androidx.annotation.IntDef;
 import androidx.annotation.Nullable;
 import androidx.media3.common.C;
+import androidx.media3.common.MimeTypes;
 import androidx.media3.common.ParserException;
 import androidx.media3.common.util.Log;
 import androidx.media3.common.util.Util;
@@ -384,7 +384,11 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
     public void sendDescribeRequest(Uri uri, @Nullable String sessionId) {
       sendRequest(
           getRequestWithCommonHeaders(
-              METHOD_DESCRIBE, sessionId, /* additionalHeaders= */ ImmutableMap.of(), uri));
+              METHOD_DESCRIBE,
+              sessionId,
+              /* additionalHeaders= */ ImmutableMap.of(
+                  RtspHeaders.ACCEPT, MimeTypes.APPLICATION_SDP),
+              uri));
     }
 
     public void sendSetupRequest(Uri trackUri, String transport, @Nullable String sessionId) {
diff --git a/libraries/exoplayer_rtsp/src/test/java/androidx/media3/exoplayer/rtsp/RtspClientTest.java b/libraries/exoplayer_rtsp/src/test/java/androidx/media3/exoplayer/rtsp/RtspClientTest.java
index e699de2ea7..f0ad3788a2 100644
--- a/libraries/exoplayer_rtsp/src/test/java/androidx/media3/exoplayer/rtsp/RtspClientTest.java
+++ b/libraries/exoplayer_rtsp/src/test/java/androidx/media3/exoplayer/rtsp/RtspClientTest.java
@@ -15,10 +15,12 @@
  */
 package androidx.media3.exoplayer.rtsp;
 
+import static androidx.media3.common.util.Assertions.checkArgument;
 import static com.google.common.truth.Truth.assertThat;
 
 import android.net.Uri;
 import androidx.annotation.Nullable;
+import androidx.media3.common.MimeTypes;
 import androidx.media3.common.util.Util;
 import androidx.media3.exoplayer.rtsp.RtspClient.PlaybackEventListener;
 import androidx.media3.exoplayer.rtsp.RtspClient.SessionInfoListener;
@@ -167,6 +169,8 @@ public final class RtspClientTest {
 
       @Override
       public RtspResponse getDescribeResponse(Uri requestedUri, RtspHeaders headers) {
+        checkArgument(
+            headers.asMultiMap().containsEntry(RtspHeaders.ACCEPT, MimeTypes.APPLICATION_SDP));
         return RtspTestUtils.newDescribeResponseWithSdpMessage(
             SESSION_DESCRIPTION, rtpPacketStreamDumps, requestedUri);
       }