diff --git a/common/aidl/aidl_api/android.hardware.common/current/android/hardware/common/GrantorDescriptor.aidl b/common/aidl/aidl_api/android.hardware.common/current/android/hardware/common/GrantorDescriptor.aidl
index 4a9ecd9..07bceb0 100644
--- a/common/aidl/aidl_api/android.hardware.common/current/android/hardware/common/GrantorDescriptor.aidl
+++ b/common/aidl/aidl_api/android.hardware.common/current/android/hardware/common/GrantorDescriptor.aidl
@@ -18,8 +18,6 @@
 package android.hardware.common;
 @VintfStability
 parcelable GrantorDescriptor {
-  int flags;
-  int fdIndex;
   int offset;
   long extent;
 }
diff --git a/common/aidl/android/hardware/common/GrantorDescriptor.aidl b/common/aidl/android/hardware/common/GrantorDescriptor.aidl
index 442d7fa..3552e9e 100644
--- a/common/aidl/android/hardware/common/GrantorDescriptor.aidl
+++ b/common/aidl/android/hardware/common/GrantorDescriptor.aidl
@@ -16,10 +16,17 @@
 
 package android.hardware.common;
 
+/*
+ * Included in MQDescriptor, for use with libfmq.
+ */
 @VintfStability
 parcelable GrantorDescriptor {
-    int flags;
-    int fdIndex;
+    /*
+     * The offset of this descriptor in the shared memory in bytes.
+     */
     int offset;
+    /*
+     * The size of this descriptor in bytes.
+     */
     long extent;
 }
diff --git a/common/aidl/android/hardware/common/MQDescriptor.aidl b/common/aidl/android/hardware/common/MQDescriptor.aidl
index 1126a25..8997688 100644
--- a/common/aidl/android/hardware/common/MQDescriptor.aidl
+++ b/common/aidl/android/hardware/common/MQDescriptor.aidl
@@ -18,6 +18,11 @@
 
 import android.hardware.common.GrantorDescriptor;
 
+/*
+ * For use with libfmq. This is created from an instance of AidlMessageQueue,
+ * and is used to pass information required to create another instance of that
+ * queue for fast communication.
+ */
 @VintfStability
 parcelable MQDescriptor {
     /*
diff --git a/radio/1.0/vts/functional/vts_test_util.cpp b/radio/1.0/vts/functional/vts_test_util.cpp
index 7a21a40..9a2d089 100644
--- a/radio/1.0/vts/functional/vts_test_util.cpp
+++ b/radio/1.0/vts/functional/vts_test_util.cpp
@@ -17,6 +17,7 @@
 
 #include <vts_test_util.h>
 #include <iostream>
+#include "VtsCoreUtil.h"
 
 int GetRandomSerialNumber() {
     return rand();
@@ -78,4 +79,24 @@
     __android_log_print(ANDROID_LOG_INFO, LOG_TAG, "Feature %s: %ssupported", feature,
                         hasFeature ? "" : "not ");
     return hasFeature;
+}
+
+bool isDsDsEnabled() {
+    return testing::checkSubstringInCommandOutput("getprop persist.radio.multisim.config", "dsds");
+}
+
+bool isTsTsEnabled() {
+    return testing::checkSubstringInCommandOutput("getprop persist.radio.multisim.config", "tsts");
+}
+
+bool isVoiceInService(RegState state) {
+    return ::android::hardware::radio::V1_0::RegState::REG_HOME == state ||
+           ::android::hardware::radio::V1_0::RegState::REG_ROAMING == state;
+}
+
+bool isVoiceEmergencyOnly(RegState state) {
+    return ::android::hardware::radio::V1_0::RegState::NOT_REG_MT_NOT_SEARCHING_OP_EM == state ||
+           ::android::hardware::radio::V1_0::RegState::NOT_REG_MT_SEARCHING_OP_EM == state ||
+           ::android::hardware::radio::V1_0::RegState::REG_DENIED_EM == state ||
+           ::android::hardware::radio::V1_0::RegState::UNKNOWN_EM == state;
 }
\ No newline at end of file
diff --git a/radio/1.0/vts/functional/vts_test_util.h b/radio/1.0/vts/functional/vts_test_util.h
index df8dd77..1625f11 100644
--- a/radio/1.0/vts/functional/vts_test_util.h
+++ b/radio/1.0/vts/functional/vts_test_util.h
@@ -21,6 +21,7 @@
 #include <gtest/gtest.h>
 
 using ::android::hardware::radio::V1_0::RadioError;
+using ::android::hardware::radio::V1_0::RegState;
 using ::android::hardware::radio::V1_0::SapResultCode;
 using namespace std;
 
@@ -55,3 +56,23 @@
  * Check if device supports feature.
  */
 bool deviceSupportsFeature(const char* feature);
+
+/*
+ * Check if device is in DSDS.
+ */
+bool isDsDsEnabled();
+
+/*
+ * Check if device is in TSTS.
+ */
+bool isTsTsEnabled();
+
+/*
+ * Check if voice status is in emergency only.
+ */
+bool isVoiceEmergencyOnly(RegState state);
+
+/*
+ * Check if voice status is in service.
+ */
+bool isVoiceInService(RegState state);
\ No newline at end of file
diff --git a/radio/1.4/vts/functional/radio_hidl_hal_api.cpp b/radio/1.4/vts/functional/radio_hidl_hal_api.cpp
index 3ba9b9d..1b254a1 100644
--- a/radio/1.4/vts/functional/radio_hidl_hal_api.cpp
+++ b/radio/1.4/vts/functional/radio_hidl_hal_api.cpp
@@ -56,7 +56,21 @@
     EXPECT_EQ(serial, radioRsp_v1_4->rspInfo.serial);
 
     ALOGI("emergencyDial, rspInfo.error = %s\n", toString(radioRsp_v1_4->rspInfo.error).c_str());
-    EXPECT_EQ(RadioError::NONE, radioRsp_v1_4->rspInfo.error);
+
+    ::android::hardware::radio::V1_0::RadioError rspEmergencyDial = radioRsp_v1_4->rspInfo.error;
+    // In DSDS or TSTS, we only check the result if the current slot is IN_SERVICE
+    // or Emergency_Only.
+    if (isDsDsEnabled() || isTsTsEnabled()) {
+        serial = GetRandomSerialNumber();
+        radio_v1_4->getVoiceRegistrationState(serial);
+        EXPECT_EQ(std::cv_status::no_timeout, wait());
+        if (isVoiceEmergencyOnly(radioRsp_v1_4->voiceRegResp.regState) ||
+            isVoiceInService(radioRsp_v1_4->voiceRegResp.regState)) {
+            EXPECT_EQ(RadioError::NONE, rspEmergencyDial);
+        }
+    } else {
+        EXPECT_EQ(RadioError::NONE, rspEmergencyDial);
+    }
 
     // Give some time for modem to establish the emergency call channel.
     sleep(MODEM_EMERGENCY_CALL_ESTABLISH_TIME);
@@ -95,8 +109,21 @@
 
     ALOGI("emergencyDial_withServices, rspInfo.error = %s\n",
           toString(radioRsp_v1_4->rspInfo.error).c_str());
-    EXPECT_EQ(RadioError::NONE, radioRsp_v1_4->rspInfo.error);
+    ::android::hardware::radio::V1_0::RadioError rspEmergencyDial = radioRsp_v1_4->rspInfo.error;
 
+    // In DSDS or TSTS, we only check the result if the current slot is IN_SERVICE
+    // or Emergency_Only.
+    if (isDsDsEnabled() || isTsTsEnabled()) {
+        serial = GetRandomSerialNumber();
+        radio_v1_4->getVoiceRegistrationState(serial);
+        EXPECT_EQ(std::cv_status::no_timeout, wait());
+        if (isVoiceEmergencyOnly(radioRsp_v1_4->voiceRegResp.regState) ||
+            isVoiceInService(radioRsp_v1_4->voiceRegResp.regState)) {
+            EXPECT_EQ(RadioError::NONE, rspEmergencyDial);
+        }
+    } else {
+        EXPECT_EQ(RadioError::NONE, rspEmergencyDial);
+    }
     // Give some time for modem to establish the emergency call channel.
     sleep(MODEM_EMERGENCY_CALL_ESTABLISH_TIME);
 
@@ -134,7 +161,21 @@
 
     ALOGI("emergencyDial_withEmergencyRouting, rspInfo.error = %s\n",
           toString(radioRsp_v1_4->rspInfo.error).c_str());
-    EXPECT_EQ(RadioError::NONE, radioRsp_v1_4->rspInfo.error);
+    ::android::hardware::radio::V1_0::RadioError rspEmergencyDial = radioRsp_v1_4->rspInfo.error;
+
+    // In DSDS or TSTS, we only check the result if the current slot is IN_SERVICE
+    // or Emergency_Only.
+    if (isDsDsEnabled() || isTsTsEnabled()) {
+        serial = GetRandomSerialNumber();
+        radio_v1_4->getVoiceRegistrationState(serial);
+        EXPECT_EQ(std::cv_status::no_timeout, wait());
+        if (isVoiceEmergencyOnly(radioRsp_v1_4->voiceRegResp.regState) ||
+            isVoiceInService(radioRsp_v1_4->voiceRegResp.regState)) {
+            EXPECT_EQ(RadioError::NONE, rspEmergencyDial);
+        }
+    } else {
+        EXPECT_EQ(RadioError::NONE, rspEmergencyDial);
+    }
 
     // Give some time for modem to establish the emergency call channel.
     sleep(MODEM_EMERGENCY_CALL_ESTABLISH_TIME);
diff --git a/radio/1.4/vts/functional/radio_hidl_hal_utils_v1_4.h b/radio/1.4/vts/functional/radio_hidl_hal_utils_v1_4.h
index 53a5845..8eee811 100644
--- a/radio/1.4/vts/functional/radio_hidl_hal_utils_v1_4.h
+++ b/radio/1.4/vts/functional/radio_hidl_hal_utils_v1_4.h
@@ -64,6 +64,7 @@
 
     // Call
     hidl_vec<::android::hardware::radio::V1_2::Call> currentCalls;
+    ::android::hardware::radio::V1_2::VoiceRegStateResult voiceRegResp;
 
     // Modem
     bool isModemEnabled;
diff --git a/radio/1.4/vts/functional/radio_response.cpp b/radio/1.4/vts/functional/radio_response.cpp
index d0aae47..3e93bf4 100644
--- a/radio/1.4/vts/functional/radio_response.cpp
+++ b/radio/1.4/vts/functional/radio_response.cpp
@@ -762,8 +762,9 @@
 
 Return<void> RadioResponse_v1_4::getVoiceRegistrationStateResponse_1_2(
         const RadioResponseInfo& info,
-        const ::android::hardware::radio::V1_2::VoiceRegStateResult& /*voiceRegResponse*/) {
+        const ::android::hardware::radio::V1_2::VoiceRegStateResult& voiceRegResponse) {
     rspInfo = info;
+    voiceRegResp = voiceRegResponse;
     parent_v1_4.notify(info.serial);
     return Void();
 }