diff --git a/radio/1.4/IRadio.hal b/radio/1.4/IRadio.hal
index 8ef1f96..f7ae39f 100644
--- a/radio/1.4/IRadio.hal
+++ b/radio/1.4/IRadio.hal
@@ -128,9 +128,11 @@
      * does not support the emergency service category or emergency uniform resource names, the
      * field 'categories' or 'urns' may be ignored.
      *
-     * 'fromEmergencyDialer' indicates if this request originated from emergency dialer/shortcut,
-     * which means an explicit intent from the user to dial an emergency number. The modem must
-     * treat this as an actual emergency dial and not try to disambiguate.
+     * In the scenarios that the 'address' in the 'dialInfo' field has other functions besides the
+     * emergency number function, if the 'hasKnownUserIntentEmergency' field is true, the user's
+     * intent for this dial request is emergency call, and the modem must treat this as an actual
+     * emergency dial; if the 'hasKnownUserIntentEmergency' field is false, Android does not know
+     * user's intent for this call.
      *
      * If 'isTesting' is true, this request is for testing purpose, and must not be sent to a real
      * emergency service; otherwise it's for a real emergency call request.
@@ -146,14 +148,15 @@
      *     of the call.
      * @param urns the emergency Uniform Resource Names (URN)
      * @param routing @1.4::EmergencyCallRouting the emergency call routing information.
-     * @param fromEmergencyDialer Flag indicating if this request originated from emergency dialer.
+     * @param hasKnownUserIntentEmergency Flag indicating if user's intent for the emergency call
+     *     is known.
      * @param isTesting Flag indicating if this request is for testing purpose.
      *
      * Response function is IRadioResponse.emergencyDialResponse()
      */
     oneway emergencyDial(int32_t serial, Dial dialInfo,
             bitfield<EmergencyServiceCategory> categories, vec<string> urns,
-            EmergencyCallRouting routing, bool fromEmergencyDialer, bool isTesting);
+            EmergencyCallRouting routing, bool hasKnownUserIntentEmergency, bool isTesting);
 
     /**
      * Starts a network scan
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 6b1f85e..9237799 100644
--- a/radio/1.4/vts/functional/radio_hidl_hal_api.cpp
+++ b/radio/1.4/vts/functional/radio_hidl_hal_api.cpp
@@ -16,4 +16,81 @@
 
 #include <radio_hidl_hal_utils_v1_4.h>
 
-#define ASSERT_OK(ret) ASSERT_TRUE(ret.isOk())
\ No newline at end of file
+#define ASSERT_OK(ret) ASSERT_TRUE(ret.isOk())
+
+/*
+ * Test IRadio.emergencyDial() for the response returned.
+ */
+TEST_F(RadioHidlTest_v1_4, emergencyDial) {
+    serial = GetRandomSerialNumber();
+
+    ::android::hardware::radio::V1_0::Dial dialInfo;
+    dialInfo.address = hidl_string("911");
+    int categories = static_cast<int>(
+            ::android::hardware::radio::V1_4::EmergencyServiceCategory::UNSPECIFIED);
+    std::vector<hidl_string> urns = {""};
+    ::android::hardware::radio::V1_4::EmergencyCallRouting routing =
+            ::android::hardware::radio::V1_4::EmergencyCallRouting::UNKNOWN;
+
+    Return<void> res =
+            radio_v1_4->emergencyDial(serial, dialInfo, categories, urns, routing, true, true);
+    ASSERT_OK(res);
+    EXPECT_EQ(std::cv_status::no_timeout, wait());
+    EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_v1_4->rspInfo.type);
+    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);
+}
+
+/*
+ * Test IRadio.emergencyDial() with specified service and its response returned.
+ */
+TEST_F(RadioHidlTest_v1_4, emergencyDial_withServices) {
+    serial = GetRandomSerialNumber();
+
+    ::android::hardware::radio::V1_0::Dial dialInfo;
+    dialInfo.address = hidl_string("911");
+    int categories =
+            static_cast<int>(::android::hardware::radio::V1_4::EmergencyServiceCategory::AMBULANCE);
+    std::vector<hidl_string> urns = {"urn:service:sos.ambulance"};
+    ::android::hardware::radio::V1_4::EmergencyCallRouting routing =
+            ::android::hardware::radio::V1_4::EmergencyCallRouting::UNKNOWN;
+
+    Return<void> res =
+            radio_v1_4->emergencyDial(serial, dialInfo, categories, urns, routing, true, true);
+    ASSERT_OK(res);
+    EXPECT_EQ(std::cv_status::no_timeout, wait());
+    EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_v1_4->rspInfo.type);
+    EXPECT_EQ(serial, radioRsp_v1_4->rspInfo.serial);
+
+    ALOGI("emergencyDial_withServices, rspInfo.error = %s\n",
+          toString(radioRsp_v1_4->rspInfo.error).c_str());
+    EXPECT_EQ(RadioError::NONE, radioRsp_v1_4->rspInfo.error);
+}
+
+/*
+ * Test IRadio.emergencyDial() with known emergency call routing and its response returned.
+ */
+TEST_F(RadioHidlTest_v1_4, emergencyDial_withEmergencyRouting) {
+    serial = GetRandomSerialNumber();
+
+    ::android::hardware::radio::V1_0::Dial dialInfo;
+    dialInfo.address = hidl_string("911");
+    int categories = static_cast<int>(
+            ::android::hardware::radio::V1_4::EmergencyServiceCategory::UNSPECIFIED);
+    std::vector<hidl_string> urns = {""};
+    ::android::hardware::radio::V1_4::EmergencyCallRouting routing =
+            ::android::hardware::radio::V1_4::EmergencyCallRouting::EMERGENCY;
+
+    Return<void> res =
+            radio_v1_4->emergencyDial(serial, dialInfo, categories, urns, routing, true, true);
+    ASSERT_OK(res);
+    EXPECT_EQ(std::cv_status::no_timeout, wait());
+    EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_v1_4->rspInfo.type);
+    EXPECT_EQ(serial, radioRsp_v1_4->rspInfo.serial);
+
+    ALOGI("emergencyDial_withEmergencyRouting, rspInfo.error = %s\n",
+          toString(radioRsp_v1_4->rspInfo.error).c_str());
+    EXPECT_EQ(RadioError::NONE, radioRsp_v1_4->rspInfo.error);
+}
\ No newline at end of file