diff --git a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/IWifiChip.aidl b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/IWifiChip.aidl
index 2d7fe03..db82a6e 100644
--- a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/IWifiChip.aidl
+++ b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/IWifiChip.aidl
@@ -84,6 +84,7 @@
   void enableStaChannelForPeerNetwork(in int channelCategoryEnableFlag);
   void setMloMode(in android.hardware.wifi.IWifiChip.ChipMloMode mode);
   @PropagateAllowBlocking android.hardware.wifi.IWifiApIface createApOrBridgedApIface(in android.hardware.wifi.IfaceConcurrencyType iface, in android.hardware.wifi.common.OuiKeyedData[] vendorData);
+  void setVoipMode(in android.hardware.wifi.IWifiChip.VoipMode mode);
   const int NO_POWER_CAP_CONSTANT = 0x7FFFFFFF;
   @Backing(type="int") @VintfStability
   enum FeatureSetMask {
@@ -162,6 +163,11 @@
     NAN_INSTANT_MODE = (1 << 2) /* 4 */,
   }
   @Backing(type="int") @VintfStability
+  enum VoipMode {
+    OFF = 0,
+    VOICE = 1,
+  }
+  @Backing(type="int") @VintfStability
   enum ChannelCategoryMask {
     INDOOR_CHANNEL = (1 << 0) /* 1 */,
     DFS_CHANNEL = (1 << 1) /* 2 */,
diff --git a/wifi/aidl/android/hardware/wifi/IWifiChip.aidl b/wifi/aidl/android/hardware/wifi/IWifiChip.aidl
index 733ff62..cf4c884 100644
--- a/wifi/aidl/android/hardware/wifi/IWifiChip.aidl
+++ b/wifi/aidl/android/hardware/wifi/IWifiChip.aidl
@@ -385,6 +385,16 @@
     }
 
     /**
+     * This enum represents the different VoIP mode that can be set through |setVoipMode|.
+     */
+    @VintfStability
+    @Backing(type="int")
+    enum VoipMode {
+        OFF = 0,
+        VOICE = 1,
+    }
+
+    /**
      * Configure the Chip.
      * This may NOT be called to reconfigure a chip due to an internal
      * limitation. Calling this when chip is already configured in a different
@@ -1173,4 +1183,23 @@
     @PropagateAllowBlocking
     IWifiApIface createApOrBridgedApIface(
             in IfaceConcurrencyType iface, in OuiKeyedData[] vendorData);
+
+    /**
+     * API to set the wifi VoIP mode.
+     *
+     * The VoIP mode is a hint to the HAL to enable or disable Wi-Fi VoIP
+     * optimization. The optimization should be enabled if the mode is NOT set to |OFF|.
+     * Furthermore, HAL should implement relevant optimization techniques based on the
+     * current operational mode.
+     *
+     * Note: Wi-Fi VoIP optimization may trade-off power against Wi-Fi
+     * performance but it provides better voice quility.
+     *
+     * @param mode Voip mode as defined by the enum |VoipMode|
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void setVoipMode(in VoipMode mode);
 }
diff --git a/wifi/aidl/default/wifi_chip.cpp b/wifi/aidl/default/wifi_chip.cpp
index d72775c..2db3b4a 100644
--- a/wifi/aidl/default/wifi_chip.cpp
+++ b/wifi/aidl/default/wifi_chip.cpp
@@ -20,6 +20,7 @@
 #include <android-base/unique_fd.h>
 #include <cutils/properties.h>
 #include <fcntl.h>
+#include <hardware_legacy/wifi_hal.h>
 #include <net/if.h>
 #include <sys/stat.h>
 #include <sys/sysmacros.h>
@@ -605,6 +606,11 @@
                            &WifiChip::setMloModeInternal, in_mode);
 }
 
+ndk::ScopedAStatus WifiChip::setVoipMode(const VoipMode in_mode) {
+    return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+                           &WifiChip::setVoipModeInternal, in_mode);
+}
+
 void WifiChip::invalidateAndRemoveAllIfaces() {
     invalidateAndClearBridgedApAll();
     invalidateAndClearAll(ap_ifaces_);
@@ -1913,6 +1919,23 @@
     return createWifiStatusFromLegacyError(legacy_hal_.lock()->setMloMode(mode));
 }
 
+ndk::ScopedAStatus WifiChip::setVoipModeInternal(const WifiChip::VoipMode in_mode) {
+    const auto ifname = getFirstActiveWlanIfaceName();
+    wifi_voip_mode mode;
+    switch (in_mode) {
+        case WifiChip::VoipMode::VOICE:
+            mode = wifi_voip_mode::WIFI_VOIP_MODE_ON;
+            break;
+        case WifiChip::VoipMode::OFF:
+            mode = wifi_voip_mode::WIFI_VOIP_MODE_OFF;
+            break;
+        default:
+            PLOG(ERROR) << "Error: invalid mode: " << toString(in_mode);
+            return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
+    }
+    return createWifiStatusFromLegacyError(legacy_hal_.lock()->setVoipMode(ifname, mode));
+}
+
 }  // namespace wifi
 }  // namespace hardware
 }  // namespace android
diff --git a/wifi/aidl/default/wifi_chip.h b/wifi/aidl/default/wifi_chip.h
index c6517db..ffd507f 100644
--- a/wifi/aidl/default/wifi_chip.h
+++ b/wifi/aidl/default/wifi_chip.h
@@ -158,6 +158,7 @@
             int32_t in_channelCategoryEnableFlag) override;
     binder_status_t dump(int fd, const char** args, uint32_t numArgs) override;
     ndk::ScopedAStatus setMloMode(const ChipMloMode in_mode) override;
+    ndk::ScopedAStatus setVoipMode(const VoipMode in_mode) override;
 
   private:
     void invalidateAndRemoveAllIfaces();
@@ -269,6 +270,7 @@
     getSupportedRadioCombinationsInternal();
     std::pair<WifiChipCapabilities, ndk::ScopedAStatus> getWifiChipCapabilitiesInternal();
     ndk::ScopedAStatus setMloModeInternal(const ChipMloMode in_mode);
+    ndk::ScopedAStatus setVoipModeInternal(const VoipMode in_mode);
     void retrieveDynamicIfaceCombination();
     void setWeakPtr(std::weak_ptr<WifiChip> ptr);