diff --git a/include/openthread.h b/include/openthread.h
index df715a6ff..2283d450e 100644
--- a/include/openthread.h
+++ b/include/openthread.h
@@ -930,6 +930,16 @@ OTAPI ThreadError OTCALL otGetActiveDataset(otInstance *aInstance, otOperational
  */
 OTAPI ThreadError OTCALL otSetActiveDataset(otInstance *aInstance, const otOperationalDataset *aDataset);
 
+/**
+ * This function indicates whether a valid network is present in the Active Operational Dataset or not.
+ *
+ * @param[in]  aInstance A pointer to an OpenThread instance.
+ *
+ * @returns TRUE if a valid network is present in the Active Operational Dataset, FALSE otherwise.
+ *
+ */
+OTAPI bool OTCALL otIsNodeCommissioned(otInstance *aInstance);
+
 /**
  * This function gets the Pending Operational Dataset.
  *
diff --git a/src/core/openthread.cpp b/src/core/openthread.cpp
index fbe9266ab..c6f9690fc 100644
--- a/src/core/openthread.cpp
+++ b/src/core/openthread.cpp
@@ -1636,6 +1636,21 @@ exit:
     return error;
 }
 
+bool otIsNodeCommissioned(otInstance *aInstance)
+{
+    otOperationalDataset dataset;
+
+    otGetActiveDataset(aInstance, &dataset);
+
+    if ((dataset.mIsMasterKeySet) && (dataset.mIsNetworkNameSet) &&
+        (dataset.mIsExtendedPanIdSet) && (dataset.mIsPanIdSet) && (dataset.mIsChannelSet))
+    {
+        return true;
+    }
+
+    return false;
+}
+
 ThreadError otGetPendingDataset(otInstance *aInstance, otOperationalDataset *aDataset)
 {
     ThreadError error = kThreadError_None;