diff --git a/telephony/java/com/android/internal/telephony/BaseCommands.java b/telephony/java/com/android/internal/telephony/BaseCommands.java
index 7586ba29c4356..74218547a3003 100644
--- a/telephony/java/com/android/internal/telephony/BaseCommands.java
+++ b/telephony/java/com/android/internal/telephony/BaseCommands.java
@@ -65,6 +65,7 @@ public abstract class BaseCommands implements CommandsInterface {
     protected RegistrantList mT53ClirInfoRegistrants = new RegistrantList();
     protected RegistrantList mT53AudCntrlInfoRegistrants = new RegistrantList();
     protected RegistrantList mRingbackToneRegistrants = new RegistrantList();
+    protected RegistrantList mResendIncallMuteRegistrants = new RegistrantList();
 
     protected Registrant mSMSRegistrant;
     protected Registrant mNITZTimeRegistrant;
@@ -579,6 +580,15 @@ public abstract class BaseCommands implements CommandsInterface {
         mRingbackToneRegistrants.remove(h);
     }
 
+    public void registerForResendIncallMute(Handler h, int what, Object obj) {
+        Registrant r = new Registrant (h, what, obj);
+        mResendIncallMuteRegistrants.add(r);
+    }
+
+    public void unregisterForResendIncallMute(Handler h) {
+        mResendIncallMuteRegistrants.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 1d9f10a96e03a..d90c3056bf76b 100644
--- a/telephony/java/com/android/internal/telephony/CommandsInterface.java
+++ b/telephony/java/com/android/internal/telephony/CommandsInterface.java
@@ -537,6 +537,18 @@ public interface CommandsInterface {
      void registerForRingbackTone(Handler h, int what, Object obj);
      void unregisterForRingbackTone(Handler h);
 
+     /**
+      * Registers the handler when mute/unmute need to be resent to get
+      * uplink audio during a call.<p>
+      *
+      * @param h Handler for notification message.
+      * @param what User-defined message code.
+      * @param obj User object.
+      *
+      */
+     void registerForResendIncallMute(Handler h, int what, Object obj);
+     void unregisterForResendIncallMute(Handler h);
+
     /**
      * Supply the ICC PIN to the ICC card
      *
diff --git a/telephony/java/com/android/internal/telephony/Phone.java b/telephony/java/com/android/internal/telephony/Phone.java
index c1135817a22f0..11386aeab440b 100644
--- a/telephony/java/com/android/internal/telephony/Phone.java
+++ b/telephony/java/com/android/internal/telephony/Phone.java
@@ -407,6 +407,16 @@ public interface Phone {
 
     void unregisterForRingbackTone(Handler h);
 
+    /**
+     * Registers the handler to reset the uplink mute state to get
+     * uplink audio.
+     */
+    void registerForResendIncallMute(Handler h, int what, Object obj);
+
+    /**
+     * Unregisters for resend incall mute notifications.
+     */
+    void unregisterForResendIncallMute(Handler h);
 
     /**
      * Notifies when a voice connection has disconnected, either due to local
diff --git a/telephony/java/com/android/internal/telephony/PhoneBase.java b/telephony/java/com/android/internal/telephony/PhoneBase.java
index 1c03c5a31c31b..eb406b72da1c1 100644
--- a/telephony/java/com/android/internal/telephony/PhoneBase.java
+++ b/telephony/java/com/android/internal/telephony/PhoneBase.java
@@ -492,6 +492,16 @@ public abstract class PhoneBase extends Handler implements Phone {
         mCM.unregisterForRingbackTone(h);
     }
 
+    // Inherited documentation suffices.
+    public void registerForResendIncallMute(Handler h, int what, Object obj) {
+        mCM.registerForResendIncallMute(h,what,obj);
+    }
+
+    // Inherited documentation suffices.
+    public void unregisterForResendIncallMute(Handler h) {
+        mCM.unregisterForResendIncallMute(h);
+    }
+
     /**
      * Subclasses of Phone probably want to replace this with a
      * version scoped to their packages
diff --git a/telephony/java/com/android/internal/telephony/PhoneProxy.java b/telephony/java/com/android/internal/telephony/PhoneProxy.java
index b1eaa93115631..1ef8d3744605b 100644
--- a/telephony/java/com/android/internal/telephony/PhoneProxy.java
+++ b/telephony/java/com/android/internal/telephony/PhoneProxy.java
@@ -343,6 +343,14 @@ public class PhoneProxy extends Handler implements Phone {
         mActivePhone.unregisterForRingbackTone(h);
     }
 
+    public void registerForResendIncallMute(Handler h, int what, Object obj) {
+        mActivePhone.registerForResendIncallMute(h,what,obj);
+    }
+
+    public void unregisterForResendIncallMute(Handler h) {
+        mActivePhone.unregisterForResendIncallMute(h);
+    }
+
     public boolean getIccRecordsLoaded() {
         return mActivePhone.getIccRecordsLoaded();
     }
diff --git a/telephony/java/com/android/internal/telephony/RIL.java b/telephony/java/com/android/internal/telephony/RIL.java
index d802efa221cd5..86cb6fb79e710 100644
--- a/telephony/java/com/android/internal/telephony/RIL.java
+++ b/telephony/java/com/android/internal/telephony/RIL.java
@@ -2323,6 +2323,7 @@ public final class RIL extends BaseCommands implements CommandsInterface {
             case RIL_UNSOL_CDMA_INFO_REC: ret = responseCdmaInformationRecord(p); break;
             case RIL_UNSOL_OEM_HOOK_RAW: ret = responseRaw(p); break;
             case RIL_UNSOL_RINGBACK_TONE: ret = responseInts(p); break;
+            case RIL_UNSOL_RESEND_INCALL_MUTE: ret = responseVoid(p); break;
 
             default:
                 throw new RuntimeException("Unrecognized unsol response: " + response);
@@ -2615,6 +2616,15 @@ public final class RIL extends BaseCommands implements CommandsInterface {
                     mRingbackToneRegistrants.notifyRegistrants(
                                         new AsyncResult (null, playtone, null));
                 }
+                break;
+
+            case RIL_UNSOL_RESEND_INCALL_MUTE:
+                if (RILJ_LOGD) unsljLogRet(response, ret);
+
+                if (mResendIncallMuteRegistrants != null) {
+                    mResendIncallMuteRegistrants.notifyRegistrants(
+                                        new AsyncResult (null, ret, null));
+                }
         }
     }
 
@@ -3251,6 +3261,7 @@ public final class RIL extends BaseCommands implements CommandsInterface {
             case RIL_UNSOL_CDMA_INFO_REC: return "UNSOL_CDMA_INFO_REC";
             case RIL_UNSOL_OEM_HOOK_RAW: return "UNSOL_OEM_HOOK_RAW";
             case RIL_UNSOL_RINGBACK_TONE: return "UNSOL_RINGBACK_TONG";
+            case RIL_UNSOL_RESEND_INCALL_MUTE: return "UNSOL_RESEND_INCALL_MUTE";
             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 c29adcf7e1039..4d8c7ec86e872 100644
--- a/telephony/java/com/android/internal/telephony/RILConstants.java
+++ b/telephony/java/com/android/internal/telephony/RILConstants.java
@@ -259,4 +259,5 @@ cat include/telephony/ril.h | \
     int RIL_UNSOL_CDMA_INFO_REC = 1027;
     int RIL_UNSOL_OEM_HOOK_RAW = 1028;
     int RIL_UNSOL_RINGBACK_TONE = 1029;
+    int RIL_UNSOL_RESEND_INCALL_MUTE = 1030;
 }