diff --git a/telephony/java/com/android/internal/telephony/BaseCommands.java b/telephony/java/com/android/internal/telephony/BaseCommands.java
index 0fc81b0..076db8b 100644
--- a/telephony/java/com/android/internal/telephony/BaseCommands.java
+++ b/telephony/java/com/android/internal/telephony/BaseCommands.java
@@ -71,6 +71,7 @@
     protected RegistrantList mCdmaSubscriptionChangedRegistrants = new RegistrantList();
     protected RegistrantList mCdmaPrlChangedRegistrants = new RegistrantList();
     protected RegistrantList mExitEmergencyCallbackModeRegistrants = new RegistrantList();
+    protected RegistrantList mRilConnectedRegistrants = new RegistrantList();
 
     protected Registrant mSMSRegistrant;
     protected Registrant mNITZTimeRegistrant;
@@ -96,7 +97,8 @@
     protected int mCdmaSubscription;
     // Type of Phone, GSM or CDMA. Set by CDMAPhone or GSMPhone.
     protected int mPhoneType;
-
+    // RIL Version
+    protected int mRilVersion = -1;
 
     public BaseCommands(Context context) {
         mContext = context;  // May be null (if so we won't log statistics)
@@ -639,6 +641,25 @@
         mExitEmergencyCallbackModeRegistrants.remove(h);
     }
 
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void registerForRilConnected(Handler h, int what, Object obj) {
+        Log.d(LOG_TAG, "registerForRilConnected h=" + h + " w=" + what);
+        Registrant r = new Registrant (h, what, obj);
+        mRilConnectedRegistrants.add(r);
+        if (mRilVersion != -1) {
+            Log.d(LOG_TAG, "Notifying: ril connected mRilVersion=" + mRilVersion);
+            r.notifyRegistrant(new AsyncResult(null, new Integer(mRilVersion), null));
+        }
+    }
+
+    @Override
+    public void unregisterForRilConnected(Handler h) {
+        mRilConnectedRegistrants.remove(h);
+    }
+
     //***** Protected Methods
     /**
      * Store new RadioState and send notification based on the changes
diff --git a/telephony/java/com/android/internal/telephony/CommandsInterface.java b/telephony/java/com/android/internal/telephony/CommandsInterface.java
index 99217b3..1d574ca 100644
--- a/telephony/java/com/android/internal/telephony/CommandsInterface.java
+++ b/telephony/java/com/android/internal/telephony/CommandsInterface.java
@@ -604,6 +604,20 @@
      void registerForExitEmergencyCallbackMode(Handler h, int what, Object obj);
      void unregisterForExitEmergencyCallbackMode(Handler h);
 
+     /**
+      * Registers the handler for RIL_UNSOL_RIL_CONNECT events.
+      *
+      * When ril connects or disconnects a message is sent to the registrant
+      * which contains an AsyncResult, ar, in msg.obj. The ar.result is an
+      * Integer which is the version of the ril or -1 if the ril disconnected.
+      *
+      * @param h Handler for notification message.
+      * @param what User-defined message code.
+      * @param obj User object.
+      */
+     void registerForRilConnected(Handler h, int what, Object obj);
+     void unregisterForRilConnected(Handler h);
+
     /**
      * Supply the ICC PIN to the ICC card
      *
diff --git a/telephony/java/com/android/internal/telephony/DataConnection.java b/telephony/java/com/android/internal/telephony/DataConnection.java
index 4ab62e6..0ad5296 100644
--- a/telephony/java/com/android/internal/telephony/DataConnection.java
+++ b/telephony/java/com/android/internal/telephony/DataConnection.java
@@ -194,6 +194,7 @@
     protected static final int EVENT_GET_LAST_FAIL_DONE = 4;
     protected static final int EVENT_DEACTIVATE_DONE = 5;
     protected static final int EVENT_DISCONNECT = 6;
+    protected static final int EVENT_RIL_CONNECTED = 7;
 
     //***** Tag IDs for EventLog
     protected static final int EVENT_LOG_BAD_DNS_ADDRESS = 50100;
@@ -202,6 +203,7 @@
     protected ApnSetting mApn;
     protected int mTag;
     protected PhoneBase phone;
+    protected int mRilVersion = -1;
     protected int cid;
     protected LinkProperties mLinkProperties = new LinkProperties();
     protected LinkCapabilities mCapabilities = new LinkCapabilities();
@@ -320,6 +322,16 @@
         clearSettings();
     }
 
+    protected int getRadioTechnology(int defaultRadioTechnology) {
+        int radioTechnology;
+        if (mRilVersion < 6) {
+            radioTechnology = defaultRadioTechnology;
+        } else {
+            radioTechnology = phone.getServiceState().getRadioTechnology() + 2;
+        }
+        return radioTechnology;
+    }
+
     /*
      * **************************************************************************
      * Begin Members and methods owned by DataConnectionTracker but stored
@@ -473,6 +485,14 @@
      */
     private class DcDefaultState extends HierarchicalState {
         @Override
+        protected void enter() {
+            phone.mCM.registerForRilConnected(getHandler(), EVENT_RIL_CONNECTED, null);
+        }
+        @Override
+        protected void exit() {
+            phone.mCM.unregisterForRilConnected(getHandler());
+        }
+        @Override
         protected boolean processMessage(Message msg) {
             AsyncResult ar;
 
@@ -497,6 +517,20 @@
                     notifyDisconnectCompleted((DisconnectParams) msg.obj);
                     break;
 
+                case EVENT_RIL_CONNECTED:
+                    ar = (AsyncResult)msg.obj;
+                    if (ar.exception == null) {
+                        mRilVersion = (Integer)ar.result;
+                        if (DBG) {
+                            log("DcDefaultState: msg.what=EVENT_RIL_CONNECTED mRilVersion=" +
+                                mRilVersion);
+                        }
+                    } else {
+                        log("Unexpected exception on EVENT_RIL_CONNECTED");
+                        mRilVersion = -1;
+                    }
+                    break;
+
                 default:
                     if (DBG) {
                         log("DcDefaultState: shouldn't happen but ignore msg.what=" + msg.what);
diff --git a/telephony/java/com/android/internal/telephony/RIL.java b/telephony/java/com/android/internal/telephony/RIL.java
index b0a265b..2633ca6 100644
--- a/telephony/java/com/android/internal/telephony/RIL.java
+++ b/telephony/java/com/android/internal/telephony/RIL.java
@@ -605,6 +605,9 @@
             }} catch (Throwable tr) {
                 Log.e(LOG_TAG,"Uncaught exception", tr);
             }
+
+            /* We're disconnected so we don't know the ril version */
+            notifyRegistrantsRilConnectionChanged(-1);
         }
     }
 
@@ -2468,6 +2471,7 @@
             case RIL_UNSOL_CDMA_SUBSCRIPTION_CHANGED: ret = responseInts(p); break;
             case RIL_UNSOl_CDMA_PRL_CHANGED: ret = responseInts(p); break;
             case RIL_UNSOL_EXIT_EMERGENCY_CALLBACK_MODE: ret = responseVoid(p); break;
+            case RIL_UNSOL_RIL_CONNECTED: ret = responseInts(p); break;
 
             default:
                 throw new RuntimeException("Unrecognized unsol response: " + response);
@@ -2798,6 +2802,25 @@
                                         new AsyncResult (null, null, null));
                 }
                 break;
+
+            case RIL_UNSOL_RIL_CONNECTED: {
+                if (RILJ_LOGD) unsljLogRet(response, ret);
+                notifyRegistrantsRilConnectionChanged(((int[])ret)[0]);
+                break;
+            }
+        }
+    }
+
+    /**
+     * Notifiy all registrants that the ril has connected or disconnected.
+     *
+     * @param rilVer is the version of the ril or -1 if disconnected.
+     */
+    private void notifyRegistrantsRilConnectionChanged(int rilVer) {
+        mRilVersion = rilVer;
+        if (mRilConnectedRegistrants != null) {
+            mRilConnectedRegistrants.notifyRegistrants(
+                                new AsyncResult (null, new Integer(rilVer), null));
         }
     }
 
@@ -3535,6 +3558,7 @@
             case RIL_UNSOL_CDMA_SUBSCRIPTION_CHANGED: return "CDMA_SUBSCRIPTION_CHANGED";
             case RIL_UNSOl_CDMA_PRL_CHANGED: return "UNSOL_CDMA_PRL_CHANGED";
             case RIL_UNSOL_EXIT_EMERGENCY_CALLBACK_MODE: return "UNSOL_EXIT_EMERGENCY_CALLBACK_MODE";
+            case RIL_UNSOL_RIL_CONNECTED: return "UNSOL_RIL_CONNECTED";
             default: return "<unknown reponse>";
         }
     }
diff --git a/telephony/java/com/android/internal/telephony/RILConstants.java b/telephony/java/com/android/internal/telephony/RILConstants.java
index 4faf297..73dfdc0 100644
--- a/telephony/java/com/android/internal/telephony/RILConstants.java
+++ b/telephony/java/com/android/internal/telephony/RILConstants.java
@@ -289,4 +289,5 @@
     int RIL_UNSOL_CDMA_SUBSCRIPTION_CHANGED = 1031;
     int RIL_UNSOl_CDMA_PRL_CHANGED = 1032;
     int RIL_UNSOL_EXIT_EMERGENCY_CALLBACK_MODE = 1033;
+    int RIL_UNSOL_RIL_CONNECTED = 1034;
 }
diff --git a/telephony/java/com/android/internal/telephony/cdma/CdmaDataConnection.java b/telephony/java/com/android/internal/telephony/cdma/CdmaDataConnection.java
index cccc053..124c888 100644
--- a/telephony/java/com/android/internal/telephony/cdma/CdmaDataConnection.java
+++ b/telephony/java/com/android/internal/telephony/cdma/CdmaDataConnection.java
@@ -84,7 +84,7 @@
         Message msg = obtainMessage(EVENT_SETUP_DATA_CONNECTION_DONE, cp);
         msg.obj = cp;
         phone.mCM.setupDataCall(
-                Integer.toString(RILConstants.SETUP_DATA_TECH_CDMA),
+                Integer.toString(getRadioTechnology(RILConstants.SETUP_DATA_TECH_CDMA)),
                 Integer.toString(dataProfile),
                 null, null, null,
                 Integer.toString(RILConstants.SETUP_DATA_AUTH_PAP_CHAP),
diff --git a/telephony/java/com/android/internal/telephony/gsm/GsmDataConnection.java b/telephony/java/com/android/internal/telephony/gsm/GsmDataConnection.java
index 2589de4..f4672d1 100644
--- a/telephony/java/com/android/internal/telephony/gsm/GsmDataConnection.java
+++ b/telephony/java/com/android/internal/telephony/gsm/GsmDataConnection.java
@@ -102,7 +102,7 @@
         }
 
         phone.mCM.setupDataCall(
-                Integer.toString(RILConstants.SETUP_DATA_TECH_GSM),
+                Integer.toString(getRadioTechnology(RILConstants.SETUP_DATA_TECH_GSM)),
                 Integer.toString(mProfileId),
                 mApn.apn, mApn.user, mApn.password,
                 Integer.toString(authType),