diff --git a/radio/aidl/vts/radio_ims_response.cpp b/radio/aidl/vts/radio_ims_response.cpp
index 7a90ebd..62912ea 100644
--- a/radio/aidl/vts/radio_ims_response.cpp
+++ b/radio/aidl/vts/radio_ims_response.cpp
@@ -45,6 +45,12 @@
     return ndk::ScopedAStatus::ok();
 }
 
+ndk::ScopedAStatus RadioImsResponse::triggerEpsFallbackResponse(const RadioResponseInfo& info) {
+    rspInfo = info;
+    parent_ims.notify(info.serial);
+    return ndk::ScopedAStatus::ok();
+}
+
 ndk::ScopedAStatus RadioImsResponse::sendAnbrQueryResponse(const RadioResponseInfo& info) {
     rspInfo = info;
     parent_ims.notify(info.serial);
diff --git a/radio/aidl/vts/radio_ims_test.cpp b/radio/aidl/vts/radio_ims_test.cpp
index d3bdd4b..52912c1 100644
--- a/radio/aidl/vts/radio_ims_test.cpp
+++ b/radio/aidl/vts/radio_ims_test.cpp
@@ -164,6 +164,32 @@
 }
 
 /*
+ * Test IRadioIms.triggerEpsFallback() for the response returned.
+ */
+TEST_P(RadioImsTest, triggerEpsFallback) {
+    if (!deviceSupportsFeature(FEATURE_TELEPHONY_IMS)) {
+        ALOGI("Skipping triggerEpsFallback because ims is not supported in device");
+        return;
+    } else {
+        ALOGI("Running triggerEpsFallback because ims is supported in device");
+    }
+
+    serial = GetRandomSerialNumber();
+
+    ndk::ScopedAStatus res =
+            radio_ims->triggerEpsFallback(serial, EpsFallbackReason::NO_NETWORK_TRIGGER);
+    ASSERT_OK(res);
+    EXPECT_EQ(std::cv_status::no_timeout, wait());
+    EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_ims->rspInfo.type);
+    EXPECT_EQ(serial, radioRsp_ims->rspInfo.serial);
+
+    ALOGI("triggerEpsFallback, rspInfo.error = %s\n",
+              toString(radioRsp_ims->rspInfo.error).c_str());
+
+    verifyError(radioRsp_ims->rspInfo.error);
+}
+
+/*
  * Test IRadioIms.sendAnbrQuery() for the response returned.
  */
 TEST_P(RadioImsTest, sendAnbrQuery) {
diff --git a/radio/aidl/vts/radio_ims_utils.h b/radio/aidl/vts/radio_ims_utils.h
index c9ecf4a..bf5684d 100644
--- a/radio/aidl/vts/radio_ims_utils.h
+++ b/radio/aidl/vts/radio_ims_utils.h
@@ -48,6 +48,8 @@
 
     virtual ndk::ScopedAStatus stopImsTrafficResponse(const RadioResponseInfo& info) override;
 
+    virtual ndk::ScopedAStatus triggerEpsFallbackResponse(const RadioResponseInfo& info) override;
+
     virtual ndk::ScopedAStatus sendAnbrQueryResponse(const RadioResponseInfo& info) override;
 };