diff --git a/api/current.txt b/api/current.txt
index 8894f97..46de4dd 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -38219,6 +38219,7 @@
     method public android.telephony.IccOpenLogicalChannelResponse iccOpenLogicalChannel(java.lang.String, int);
     method public java.lang.String iccTransmitApduBasicChannel(int, int, int, int, int, java.lang.String);
     method public java.lang.String iccTransmitApduLogicalChannel(int, int, int, int, int, int, java.lang.String);
+    method public boolean isConcurrentVoiceAndDataAllowed();
     method public boolean isHearingAidCompatibilitySupported();
     method public boolean isNetworkRoaming();
     method public boolean isSmsCapable();
diff --git a/api/system-current.txt b/api/system-current.txt
index 3a3ba96..aefa0fe 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -41436,6 +41436,7 @@
     method public android.telephony.IccOpenLogicalChannelResponse iccOpenLogicalChannel(java.lang.String, int);
     method public java.lang.String iccTransmitApduBasicChannel(int, int, int, int, int, java.lang.String);
     method public java.lang.String iccTransmitApduLogicalChannel(int, int, int, int, int, int, java.lang.String);
+    method public boolean isConcurrentVoiceAndDataAllowed();
     method public boolean isDataConnectivityPossible();
     method public boolean isHearingAidCompatibilitySupported();
     method public boolean isIdle();
diff --git a/api/test-current.txt b/api/test-current.txt
index 88b3c2f..74a7bf9 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -38318,6 +38318,7 @@
     method public android.telephony.IccOpenLogicalChannelResponse iccOpenLogicalChannel(java.lang.String, int);
     method public java.lang.String iccTransmitApduBasicChannel(int, int, int, int, int, java.lang.String);
     method public java.lang.String iccTransmitApduLogicalChannel(int, int, int, int, int, int, java.lang.String);
+    method public boolean isConcurrentVoiceAndDataAllowed();
     method public boolean isHearingAidCompatibilitySupported();
     method public boolean isNetworkRoaming();
     method public boolean isSmsCapable();
diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index 5d222d4..5a848d9 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -5087,6 +5087,20 @@
         }
     }
 
+   /*
+    * @return true, if the device is currently on a technology (e.g. UMTS or LTE) which can support
+    * voice and data simultaneously. This can change based on location or network condition.
+    */
+    public boolean isConcurrentVoiceAndDataAllowed() {
+        try {
+            ITelephony telephony = getITelephony();
+            return (telephony == null ? false : telephony.isConcurrentVoiceAndDataAllowed(mSubId));
+        } catch (RemoteException e) {
+            Log.e(TAG, "Error calling ITelephony#isConcurrentVoiceAndDataAllowed", e);
+        }
+        return false;
+    }
+
     /** @hide */
     @SystemApi
     public boolean handlePinMmi(String dialString) {
diff --git a/telephony/java/com/android/internal/telephony/ITelephony.aidl b/telephony/java/com/android/internal/telephony/ITelephony.aidl
index 6b9c81d..6de62de 100644
--- a/telephony/java/com/android/internal/telephony/ITelephony.aidl
+++ b/telephony/java/com/android/internal/telephony/ITelephony.aidl
@@ -492,6 +492,12 @@
      */
     int getVoiceMessageCountForSubscriber(int subId);
 
+    /**
+      * Returns true if current state supports both voice and data
+      * simultaneously. This can change based on location or network condition.
+      */
+    boolean isConcurrentVoiceAndDataAllowed(int subId);
+
     oneway void setVisualVoicemailEnabled(String callingPackage,
             in PhoneAccountHandle accountHandle, boolean enabled);