diff --git a/include/telephony/ril.h b/include/telephony/ril.h
index 2ddb2bb..9e52d60 100644
--- a/include/telephony/ril.h
+++ b/include/telephony/ril.h
@@ -2762,6 +2762,40 @@
  */
 #define RIL_REQUEST_EXIT_EMERGENCY_CALLBACK_MODE 99
 
+/**
+ * RIL_REQUEST_GET_SMSC_ADDRESS
+ *
+ * Queries the default Short Message Service Center address on the device.
+ *
+ * "data" is NULL
+ *
+ * "response" is const char * containing the SMSC address.
+ *
+ * Valid errors:
+ *  SUCCESS
+ *  RADIO_NOT_AVAILABLE
+ *  GENERIC_FAILURE
+ *
+ */
+#define RIL_REQUEST_GET_SMSC_ADDRESS 100
+
+/**
+ * RIL_REQUEST_SET_SMSC_ADDRESS
+ *
+ * Sets the default Short Message Service Center address on the device.
+ *
+ * "data" is const char * containing the SMSC address.
+ *
+ * "response" is NULL
+ *
+ * Valid errors:
+ *  SUCCESS
+ *  RADIO_NOT_AVAILABLE
+ *  GENERIC_FAILURE
+ *
+ */
+#define RIL_REQUEST_SET_SMSC_ADDRESS 101
+
 
 /***********************************************************************/
 
diff --git a/libril/ril.cpp b/libril/ril.cpp
index 54ee61f..fd1d508 100644
--- a/libril/ril.cpp
+++ b/libril/ril.cpp
@@ -2734,6 +2734,9 @@
         case RIL_REQUEST_CDMA_WRITE_SMS_TO_RUIM: return "CDMA_WRITE_SMS_TO_RUIM";
         case RIL_REQUEST_CDMA_DELETE_SMS_ON_RUIM: return "CDMA_DELETE_SMS_ON_RUIM";
         case RIL_REQUEST_DEVICE_IDENTITY: return "DEVICE_IDENTITY";
+        case RIL_REQUEST_EXIT_EMERGENCY_CALLBACK_MODE: return "EXIT_EMERGENCY_CALLBACK_MODE";
+        case RIL_REQUEST_GET_SMSC_ADDRESS: return "GET_SMSC_ADDRESS";
+        case RIL_REQUEST_SET_SMSC_ADDRESS: return "SET_SMSC_ADDRESS";
         case RIL_UNSOL_RESPONSE_RADIO_STATE_CHANGED: return "UNSOL_RESPONSE_RADIO_STATE_CHANGED";
         case RIL_UNSOL_RESPONSE_CALL_STATE_CHANGED: return "UNSOL_RESPONSE_CALL_STATE_CHANGED";
         case RIL_UNSOL_RESPONSE_NETWORK_STATE_CHANGED: return "UNSOL_RESPONSE_NETWORK_STATE_CHANGED";
diff --git a/libril/ril_commands.h b/libril/ril_commands.h
index f22a868..896b44e 100644
--- a/libril/ril_commands.h
+++ b/libril/ril_commands.h
@@ -112,4 +112,7 @@
     {RIL_REQUEST_CDMA_SUBSCRIPTION, dispatchVoid, responseStrings},//Assumption Made here to use DispatchVoid!
     {RIL_REQUEST_CDMA_WRITE_SMS_TO_RUIM, dispatchRilCdmaSmsWriteArgs, responseInts}, //new DISPATCH function
     {RIL_REQUEST_CDMA_DELETE_SMS_ON_RUIM, dispatchInts, responseVoid},
-    {RIL_REQUEST_DEVICE_IDENTITY, dispatchVoid, responseStrings}
+    {RIL_REQUEST_DEVICE_IDENTITY, dispatchVoid, responseStrings},
+    {RIL_REQUEST_EXIT_EMERGENCY_CALLBACK_MODE, dispatchVoid, responseVoid},
+    {RIL_REQUEST_GET_SMSC_ADDRESS, dispatchVoid, responseString},
+    {RIL_REQUEST_SET_SMSC_ADDRESS, dispatchString, responseVoid}
diff --git a/libril/ril_unsol_commands.h b/libril/ril_unsol_commands.h
index d11f909..4cfa3aa 100644
--- a/libril/ril_unsol_commands.h
+++ b/libril/ril_unsol_commands.h
@@ -38,7 +38,8 @@
     {RIL_UNSOL_RESPONSE_NEW_BROADCAST_SMS, responseString, WAKE_PARTIAL},
     {RIL_UNSOL_CDMA_RUIM_SMS_STORAGE_FULL, responseVoid, WAKE_PARTIAL},
     {RIL_UNSOL_RESTRICTED_STATE_CHANGED, responseInts, WAKE_PARTIAL},
-    // TODO(): The following 4 CDMA commands need to be implemented
+    // TODO(): Need to update the response func for the following 4 commands,
+    // once they've been implemented.
     {RIL_UNSOL_ENTER_EMERGENCY_CALLBACK_MODE, responseVoid, WAKE_PARTIAL},
     {RIL_UNSOL_CDMA_CALL_WAITING, responseVoid, WAKE_PARTIAL},
     {RIL_UNSOL_CDMA_OTA_PROVISION_STATUS, responseInts, WAKE_PARTIAL},