diff --git a/telecomm/java/android/telecom/CallControl.java b/telecomm/java/android/telecom/CallControl.java
index 808a575..1e1abf2 100644
--- a/telecomm/java/android/telecom/CallControl.java
+++ b/telecomm/java/android/telecom/CallControl.java
@@ -39,7 +39,10 @@
 
 /**
  * CallControl provides client side control of a call.  Each Call will get an individual CallControl
- * instance in which the client can alter the state of the associated call.
+ * instance in which the client can alter the state of the associated call.  Outgoing and incoming
+ * calls should move to active (via {@link CallControl#setActive(Executor, OutcomeReceiver)} or
+ * answered (via {@link CallControl#answer(int, Executor, OutcomeReceiver)} before 60 seconds.  If
+ * the new call is not moved to active or answered before 60 seconds, the call will be disconnected.
  *
  * <p>
  * Each method is Transactional meaning that it can succeed or fail. If a transaction succeeds,
diff --git a/telecomm/java/android/telecom/Connection.java b/telecomm/java/android/telecom/Connection.java
index 1df6cf7..ad7d987 100644
--- a/telecomm/java/android/telecom/Connection.java
+++ b/telecomm/java/android/telecom/Connection.java
@@ -2621,7 +2621,9 @@
     }
 
     /**
-     * Sets state to ringing (e.g., an inbound ringing connection).
+     * Sets state to ringing (e.g., an inbound ringing connection).  The Connection should not be
+     * in STATE_RINGING for more than 60 seconds. After 60 seconds, the Connection will
+     * be disconnected.
      */
     public final void setRinging() {
         checkImmutable();
@@ -2645,7 +2647,9 @@
     }
 
     /**
-     * Sets state to dialing (e.g., dialing an outbound connection).
+     * Sets state to dialing (e.g., dialing an outbound connection). The Connection should not be
+     * in STATE_DIALING for more than 60 seconds. After 60 seconds, the Connection will
+     * be disconnected.
      */
     public final void setDialing() {
         checkImmutable();