diff --git a/extphone/src/com/qti/extphone/ExtTelephonyManager.java b/extphone/src/com/qti/extphone/ExtTelephonyManager.java
index 9b50c4f..50d185b 100644
--- a/extphone/src/com/qti/extphone/ExtTelephonyManager.java
+++ b/extphone/src/com/qti/extphone/ExtTelephonyManager.java
@@ -69,6 +69,12 @@
     private AtomicBoolean mServiceConnected = new AtomicBoolean();
 
     /**
+     * This represents the state of the SIM before SIM_STATE_LOADED, when only the
+     * essential records have been loaded.
+     */
+    public static final String SIM_STATE_ESSENTIAL_RECORDS_LOADED = "ESSENTIAL_LOADED";
+
+    /**
      * Intent action broadcasted when Sms Callback Mode changed.
      */
     public static final String ACTION_SMS_CALLBACK_MODE_CHANGED =
@@ -220,7 +226,6 @@
         for (ServiceCallback cb : mServiceCbs) {
             cb.onDisconnected();
         }
-        mServiceCbs.clear();
     }
 
     /**
diff --git a/ims/ims-ext-common/src/org/codeaurora/ims/QtiCallConstants.java b/ims/ims-ext-common/src/org/codeaurora/ims/QtiCallConstants.java
index bfd077b..f235e2f 100644
--- a/ims/ims-ext-common/src/org/codeaurora/ims/QtiCallConstants.java
+++ b/ims/ims-ext-common/src/org/codeaurora/ims/QtiCallConstants.java
@@ -329,18 +329,23 @@
     public static final int CALL_COMPOSER_MODE = 1004;
 
     /**
-     * Key values for the Call Composer elements
+     * Key values for the pre alerting call elements
      */
-    // Intent action broadcasted when call composer elements are available for MT
-    public static final String ACTION_CALL_COMPOSER_INFO =
-            "org.codeaurora.intent.action.CALL_COMPOSER_INFO";
-    // set for MT call composer call (unique ID to match each call)
+    // Intent action broadcasted when pre alerting call elements are available for MT
+    public static final String ACTION_PRE_ALERTING_CALL_INFO =
+            "org.codeaurora.intent.action.PRE_ALERTING_CALL_INFO";
+    // Set for MT pre alerting call (unique ID to match each call)
     // Type: int
-    public static String EXTRA_CALL_COMPOSER_TOKEN = "call_composer_token";
+    public static String EXTRA_PRE_ALERTING_CALL_TOKEN = "pre_alerting_call_token";
+    public static final int INVALID_TOKEN = -1;
 
-    // set for MT call composer call (only set when the call has ended)
+    // Set for MT pre alerting call (unique ID to match subscription)
+    // Type: int
+    public static final String EXTRA_PRE_ALERTING_CALL_PHONE_ID = " pre_alerting_call_phoneId";
+
+    // Set for MT pre alerting call (only set when the call has ended)
     // Type: boolean
-    public static String EXTRA_CALL_COMPOSER_CALL_ENDED = "call_composer_call_ended";
+    public static String EXTRA_PRE_ALERTING_CALL_ENDED = "pre_alerting_call_ended";
 
     // set for call composer call
     public static String EXTRA_CALL_COMPOSER_INFO = "call_composer_info";
@@ -374,6 +379,25 @@
     public static String EXTRA_CALL_COMPOSER_LOCATION_LONGITUDE =
             "call_composer_location_longitude";
 
+    // Set for eCnam info
+    public static String EXTRA_CALL_ECNAM = "call_ecnam";
+
+    // Set when ecnam display name is added
+    // Type: String
+    public static final String EXTRA_CALL_ECNAM_DISPLAY_NAME = "call_ecnam_display_name";
+
+    // Set when ecnam icon url is added
+    // Type: parcelable Uri
+    public static final String EXTRA_CALL_ECNAM_ICON = "call_ecnam_icon";
+
+    // Set when ecnam info url is added
+    // Type: parcelable Uri
+    public static final String EXTRA_CALL_ECNAM_INFO = "call_ecnam_info";
+
+    // Set when ecnam card url is added
+    // Type: parcelable Uri
+    public static final String EXTRA_CALL_ECNAM_CARD = "call_ecnam_card";
+
     /**
      * User setting to control whether dialing call composer calls are allowed
      * Type: int (0 for disable, 1 for enabled);