diff --git a/current.txt b/current.txt
index 78e66fe..3f169db 100644
--- a/current.txt
+++ b/current.txt
@@ -665,5 +665,5 @@
 b27ab0cd40b0b078cdcd024bfe1061c4c4c065f3519eeb9347fa359a3268a5ae android.hardware.radio.config@1.3::IRadioConfig
 742360c775313438b0f82256eac62fb5bbc76a6ae6f388573f3aa142fb2c1eea android.hardware.radio.config@1.3::IRadioConfigIndication
 7683fed9d253956071f18b152e6be657719536f98d9b534433d5e411bcde5061 android.hardware.radio.config@1.3::IRadioConfigResponse
-c411dc16855fcb786cd5e08fe2889acbd72fd54217bd27fe0373813de230ce5f android.hardware.soundtrigger@2.3::types
-5abad7b54d3400fab633cb7a36ffc1747e037bf805d3d9e3517cb6aabf26b002 android.hardware.soundtrigger@2.3::ISoundTriggerHw
+b46d358537168c478762c3d34d5fe1555a3fcd89cd1f43621350ada395e6f795 android.hardware.soundtrigger@2.3::types
+15924fbf38b3c282299a37e48c72405c97e322f844f815081db6acbca22d4165 android.hardware.soundtrigger@2.3::ISoundTriggerHw
diff --git a/soundtrigger/2.3/ISoundTriggerHw.hal b/soundtrigger/2.3/ISoundTriggerHw.hal
index 207b9b7..23aa36e 100644
--- a/soundtrigger/2.3/ISoundTriggerHw.hal
+++ b/soundtrigger/2.3/ISoundTriggerHw.hal
@@ -26,6 +26,18 @@
 interface ISoundTriggerHw extends @2.2::ISoundTriggerHw {
 
     /**
+     * Retrieve extended implementation properties.
+     * The returned properties includes what is returned from the
+     * getProperties along with expanded implementation details.
+     *
+     * @return retval Operation completion status: 0 in case of success,
+     *                -ENODEV in case of initialization error.
+     * @return properties A Properties structure containing implementation
+     *                    description and capabilities.
+     */
+    getProperties_2_3() generates (int32_t retval, Properties properties);
+
+    /**
      * Set a model specific parameter with the given value. This parameter
      * will keep its value for the duration the model is loaded regardless of starting and stopping
      * recognition. Once the model is unloaded, the value will be lost.
diff --git a/soundtrigger/2.3/default/SoundTriggerHw.cpp b/soundtrigger/2.3/default/SoundTriggerHw.cpp
index 4a39ab5..9fd8fe0 100644
--- a/soundtrigger/2.3/default/SoundTriggerHw.cpp
+++ b/soundtrigger/2.3/default/SoundTriggerHw.cpp
@@ -89,7 +89,7 @@
     ALOGV("getProperties() mHwDevice %p", mHwDevice);
     int ret;
     struct sound_trigger_properties halProperties;
-    ISoundTriggerHw::Properties properties;
+    V2_0::ISoundTriggerHw::Properties properties;
 
     if (mHwDevice == NULL) {
         ret = -ENODEV;
@@ -333,7 +333,7 @@
 }
 
 void SoundTriggerHw::convertPropertiesFromHal(
-        ISoundTriggerHw::Properties* properties,
+        V2_0::ISoundTriggerHw::Properties* properties,
         const struct sound_trigger_properties* halProperties) {
     properties->implementor = halProperties->implementor;
     properties->description = halProperties->description;
@@ -350,6 +350,16 @@
     properties->powerConsumptionMw = halProperties->power_consumption_mw;
 }
 
+void SoundTriggerHw::convertPropertiesFromHal(
+        V2_3::Properties* properties, const struct sound_trigger_properties_header* header) {
+    if (header->version >= SOUND_TRIGGER_DEVICE_API_VERSION_1_3) {
+        const struct sound_trigger_properties_extended_1_3* halProperties =
+                (const struct sound_trigger_properties_extended_1_3*)header;
+        convertPropertiesFromHal(&properties->base, &halProperties->base);
+        properties->supportedModelArch = halProperties->supported_model_arch;
+    }
+}
+
 void SoundTriggerHw::convertTriggerPhraseToHal(struct sound_trigger_phrase* halTriggerPhrase,
                                                const ISoundTriggerHw::Phrase* triggerPhrase) {
     halTriggerPhrase->id = triggerPhrase->id;
@@ -708,6 +718,29 @@
 
 // Begin V2_3 implementation
 
+Return<void> SoundTriggerHw::getProperties_2_3(ISoundTriggerHw::getProperties_2_3_cb _hidl_cb) {
+    ALOGV("getProperties_2_3() mHwDevice %p", mHwDevice);
+    int ret = 0;
+    V2_3::Properties properties;
+    const struct sound_trigger_properties_header* header;
+
+    if (mHwDevice == NULL) {
+        ret = -ENODEV;
+        goto exit;
+    }
+
+    header = mHwDevice->get_properties_extended(mHwDevice);
+
+    convertPropertiesFromHal(&properties, header);
+
+    ALOGV("getProperties_2_3 implementor %s supportedModelArch %s",
+          properties.base.implementor.c_str(), properties.supportedModelArch.c_str());
+
+exit:
+    _hidl_cb(ret, properties);
+    return Void();
+}
+
 Return<int32_t> SoundTriggerHw::setParameter(V2_0::SoundModelHandle modelHandle,
                                              ModelParameter modelParam, int32_t value) {
     sp<SoundModelClient> client;
diff --git a/soundtrigger/2.3/default/SoundTriggerHw.h b/soundtrigger/2.3/default/SoundTriggerHw.h
index c82c9ea..078debb 100644
--- a/soundtrigger/2.3/default/SoundTriggerHw.h
+++ b/soundtrigger/2.3/default/SoundTriggerHw.h
@@ -85,6 +85,7 @@
     Return<int32_t> getModelState(int32_t modelHandle) override;
 
     // Methods from V2_3::ISoundTriggerHw follow.
+    Return<void> getProperties_2_3(getProperties_2_3_cb _hidl_cb) override;
     Return<int32_t> setParameter(V2_0::SoundModelHandle modelHandle, ModelParameter modelParam,
                                  int32_t value) override;
     Return<void> getParameter(V2_0::SoundModelHandle modelHandle, ModelParameter modelParam,
@@ -156,6 +157,8 @@
     void convertUuidToHal(sound_trigger_uuid_t* halUuid, const Uuid* uuid);
     void convertPropertiesFromHal(V2_0::ISoundTriggerHw::Properties* properties,
                                   const struct sound_trigger_properties* halProperties);
+    void convertPropertiesFromHal(V2_3::Properties* properties,
+                                  const struct sound_trigger_properties_header* header);
     static sound_trigger_model_parameter_t convertModelParameterToHal(ModelParameter param);
     void convertTriggerPhraseToHal(struct sound_trigger_phrase* halTriggerPhrase,
                                    const V2_0::ISoundTriggerHw::Phrase* triggerPhrase);
diff --git a/soundtrigger/2.3/types.hal b/soundtrigger/2.3/types.hal
index c3a522b..6149126 100644
--- a/soundtrigger/2.3/types.hal
+++ b/soundtrigger/2.3/types.hal
@@ -17,6 +17,21 @@
 package android.hardware.soundtrigger@2.3;
 
 import android.hidl.safe_union@1.0::Monostate;
+import @2.0::ISoundTriggerHw.Properties;
+
+/**
+ * Extended implementation properties providing verbose implementation
+ * details.
+ */
+struct Properties {
+    @2.0::ISoundTriggerHw.Properties base;
+
+    /**
+     * String naming the architecture used for running the supported models.
+     * (eg. DSP architecture)
+     */
+    string supportedModelArch;
+};
 
 /**
  * Model specific parameters to be used with parameter set and get APIs
diff --git a/soundtrigger/2.3/vts/functional/VtsHalSoundtriggerV2_3TargetTest.cpp b/soundtrigger/2.3/vts/functional/VtsHalSoundtriggerV2_3TargetTest.cpp
index 202eb6c..ed38368 100644
--- a/soundtrigger/2.3/vts/functional/VtsHalSoundtriggerV2_3TargetTest.cpp
+++ b/soundtrigger/2.3/vts/functional/VtsHalSoundtriggerV2_3TargetTest.cpp
@@ -26,7 +26,9 @@
 
 using ::android::sp;
 using ::android::hardware::Return;
+using ::android::hardware::soundtrigger::V2_0::RecognitionMode;
 using ::android::hardware::soundtrigger::V2_3::ISoundTriggerHw;
+using ::android::hardware::soundtrigger::V2_3::Properties;
 
 /**
  * Test class holding the instance of the SoundTriggerHW service to test.
@@ -53,6 +55,32 @@
  */
 TEST_P(SoundTriggerHidlTest, ServiceIsInstantiated) {}
 
+/**
+ * Test ISoundTriggerHw::getProperties_2_3 method
+ *
+ * Verifies that:
+ * - the implementation implements the method
+ * - the method returns no error
+ * - the implementation supports at least one sound model and one key phrase
+ * - the implementation supports at least VOICE_TRIGGER recognition mode
+ */
+TEST_P(SoundTriggerHidlTest, GetProperties_2_3) {
+    Properties halProperties;
+    Return<void> hidlReturn;
+    int ret = -ENODEV;
+
+    hidlReturn = soundtrigger->getProperties_2_3([&](int rc, auto res) {
+        ret = rc;
+        halProperties = res;
+    });
+
+    EXPECT_TRUE(hidlReturn.isOk());
+    EXPECT_EQ(0, ret);
+    EXPECT_GT(halProperties.base.maxSoundModels, 0u);
+    EXPECT_GT(halProperties.base.maxKeyPhrases, 0u);
+    EXPECT_NE(0u, (halProperties.base.recognitionModes & (uint32_t)RecognitionMode::VOICE_TRIGGER));
+}
+
 INSTANTIATE_TEST_SUITE_P(
         PerInstance, SoundTriggerHidlTest,
         testing::ValuesIn(android::hardware::getAllHalInstanceNames(ISoundTriggerHw::descriptor)),