diff --git a/api/current.txt b/api/current.txt
index dc44a16e3efc9..8020a2ff3c003 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -27598,6 +27598,7 @@ package android.telecomm {
   public final class CallServiceAdapter {
     method public void handleFailedOutgoingCall(android.telecomm.ConnectionRequest, int, java.lang.String);
     method public void handleSuccessfulOutgoingCall(java.lang.String);
+    method public void handoffCall(java.lang.String);
     method public void notifyIncomingCall(android.telecomm.CallInfo);
     method public void onPostDialWait(java.lang.String, java.lang.String);
     method public void setActive(java.lang.String);
diff --git a/telecomm/java/android/telecomm/CallServiceAdapter.java b/telecomm/java/android/telecomm/CallServiceAdapter.java
index fb5c87160c74a..8c3ddad3c670b 100644
--- a/telecomm/java/android/telecomm/CallServiceAdapter.java
+++ b/telecomm/java/android/telecomm/CallServiceAdapter.java
@@ -224,4 +224,16 @@ public final class CallServiceAdapter {
         } catch (RemoteException ignored) {
         }
     }
+
+    /**
+     * Instructs Telecomm to handoff the call to another call service.
+     *
+     * @param callId The identifier of the call to handoff.
+     */
+    public void handoffCall(String callId) {
+        try {
+            mAdapter.handoffCall(callId);
+        } catch (RemoteException e) {
+        }
+    }
 }
diff --git a/telecomm/java/com/android/internal/telecomm/ICallServiceAdapter.aidl b/telecomm/java/com/android/internal/telecomm/ICallServiceAdapter.aidl
index 17e04879bba08..b380293f8dc83 100644
--- a/telecomm/java/com/android/internal/telecomm/ICallServiceAdapter.aidl
+++ b/telecomm/java/com/android/internal/telecomm/ICallServiceAdapter.aidl
@@ -54,4 +54,6 @@ oneway interface ICallServiceAdapter {
     void removeCall(String callId);
 
     void onPostDialWait(String callId, String remaining);
+
+    void handoffCall(String callId);
 }