diff --git a/audio/common/all-versions/default/service/service.cpp b/audio/common/all-versions/default/service/service.cpp
index 3472af1..fbf6165 100644
--- a/audio/common/all-versions/default/service/service.cpp
+++ b/audio/common/all-versions/default/service/service.cpp
@@ -23,6 +23,7 @@
 #include <android/binder_process.h>
 #include <binder/ProcessState.h>
 #include <cutils/properties.h>
+#include <dlfcn.h>
 #include <hidl/HidlTransportSupport.h>
 #include <hidl/LegacySupport.h>
 #include <hwbinder/ProcessState.h>
@@ -46,6 +47,31 @@
     return false;
 }
 
+static bool registerExternalServiceImplementation(const std::string& libName,
+                                                  const std::string& funcName) {
+    constexpr int dlMode = RTLD_LAZY;
+    void* handle = nullptr;
+    dlerror();  // clear
+    auto libPath = libName + ".so";
+    handle = dlopen(libPath.c_str(), dlMode);
+    if (handle == nullptr) {
+        const char* error = dlerror();
+        ALOGE("Failed to dlopen %s: %s", libPath.c_str(),
+              error != nullptr ? error : "unknown error");
+        return false;
+    }
+    binder_status_t (*factoryFunction)();
+    *(void**)(&factoryFunction) = dlsym(handle, funcName.c_str());
+    if (!factoryFunction) {
+        const char* error = dlerror();
+        ALOGE("Factory function %s not found in libName %s: %s", funcName.c_str(), libPath.c_str(),
+              error != nullptr ? error : "unknown error");
+        dlclose(handle);
+        return false;
+    }
+    return ((*factoryFunction)() == STATUS_OK);
+}
+
 int main(int /* argc */, char* /* argv */ []) {
     signal(SIGPIPE, SIG_IGN);
 
@@ -105,6 +131,13 @@
             "android.hardware.bluetooth.a2dp@1.0::IBluetoothAudioOffload"
         }
     };
+
+    const std::vector<std::pair<std::string,std::string>> optionalInterfaceSharedLibs = {
+        {
+            "android.hardware.bluetooth.audio-impl",
+            "createIBluetoothAudioProviderFactory",
+        },
+    };
     // clang-format on
 
     for (const auto& listIter : mandatoryInterfaces) {
@@ -121,5 +154,15 @@
                  "Could not register %s", interfaceFamilyName.c_str());
     }
 
+    for (const auto& interfacePair : optionalInterfaceSharedLibs) {
+        const std::string& libraryName = interfacePair.first;
+        const std::string& interfaceLoaderFuncName = interfacePair.second;
+        if (registerExternalServiceImplementation(libraryName, interfaceLoaderFuncName)) {
+            ALOGI("%s() from %s success", interfaceLoaderFuncName.c_str(), libraryName.c_str());
+        } else {
+            ALOGW("%s() from %s failed", interfaceLoaderFuncName.c_str(), libraryName.c_str());
+        }
+    }
+
     joinRpcThreadpool();
 }
diff --git a/bluetooth/audio/aidl/vts/VtsHalBluetoothAudioTargetTest.cpp b/bluetooth/audio/aidl/vts/VtsHalBluetoothAudioTargetTest.cpp
index 90ec8cb..e68c654 100644
--- a/bluetooth/audio/aidl/vts/VtsHalBluetoothAudioTargetTest.cpp
+++ b/bluetooth/audio/aidl/vts/VtsHalBluetoothAudioTargetTest.cpp
@@ -1545,7 +1545,8 @@
             lc3_config);
     DataMQDesc mq_desc;
     auto aidl_retval = audio_provider_->startSession(
-        audio_port_, AudioConfiguration(le_audio_broadcast_config), &mq_desc);
+        audio_port_, AudioConfiguration(le_audio_broadcast_config),
+        latency_modes, &mq_desc);
 
     ASSERT_TRUE(aidl_retval.isOk());
     EXPECT_TRUE(audio_provider_->endSession().isOk());
@@ -1578,7 +1579,8 @@
             lc3_config);
     DataMQDesc mq_desc;
     auto aidl_retval = audio_provider_->startSession(
-        audio_port_, AudioConfiguration(le_audio_broadcast_config), &mq_desc);
+        audio_port_, AudioConfiguration(le_audio_broadcast_config),
+        latency_modes, &mq_desc);
 
     // AIDL call should fail on invalid codec
     ASSERT_FALSE(aidl_retval.isOk());