diff --git a/current.txt b/current.txt
index 58b9755..fb6006f 100644
--- a/current.txt
+++ b/current.txt
@@ -666,10 +666,10 @@
 ##
 # BEGIN Radio HAL Merge Conflict Avoidance Buffer - STOPSHIP if present
 ##
-70cbe7cbeb51834f124a8b5940336dc9ec158a17487ab8b905ae9cf62f66f476 android.hardware.radio@1.5::types
-996f98ffe508a2f6f1755c1511b50067f7883f7c445dea9f3e931385f020b7ab android.hardware.radio@1.5::IRadio
+b3f250fe4f5f01ea3a2387eb7ae7e975699f6871e09b797d5ebfe18c2a489e98 android.hardware.radio@1.5::types
+6268d208631b21d1e85bfad338642ac5ca7ac6c83b411283515a4342b5d673f7 android.hardware.radio@1.5::IRadio
 20d52e66fd548f89bcb98cda42749a591ce8f439a2a7148617adac0c967ad937 android.hardware.radio@1.5::IRadioIndication
-1512f6e1198e1aa0ebcbdb1694d0ed500a3e7791d6f305327866112331d82b66 android.hardware.radio@1.5::IRadioResponse
+1344e7cfaa2cf259b05ea4f65a731552f0254df6604938cf8be94e04fd62a6a9 android.hardware.radio@1.5::IRadioResponse
 5971a891d7d8843e9fb9f44583a9a0a265ec42fd5e4e1c95c9803454d21fabf7 android.hardware.radio.config@1.3::types
 a2977755bc5f1ef47f04b7f2400632efda6218e1515dba847da487145cfabc4f android.hardware.radio.config@1.3::IRadioConfig
 742360c775313438b0f82256eac62fb5bbc76a6ae6f388573f3aa142fb2c1eea android.hardware.radio.config@1.3::IRadioConfigIndication
diff --git a/radio/1.5/IRadio.hal b/radio/1.5/IRadio.hal
index e41989c..52e579a 100644
--- a/radio/1.5/IRadio.hal
+++ b/radio/1.5/IRadio.hal
@@ -245,4 +245,22 @@
      * Response callback is IRadioResponse.getBarringInfoResponse()
      */
     oneway getBarringInfo(int32_t serial);
+
+    /**
+     * Request current voice registration state
+     *
+     * @param serial Serial number of request.
+     *
+     * Response function is IRadioResponse.getVoiceRegistrationStateResponse_1_5()
+     */
+    oneway getVoiceRegistrationState_1_5(int32_t serial);
+
+    /**
+     * Request current data registration state
+     *
+     * @param serial Serial number of request.
+     *
+     * Response function is IRadioResponse.getDataRegistrationStateResponse_1_5()
+     */
+    oneway getDataRegistrationState_1_5(int32_t serial);
 };
diff --git a/radio/1.5/IRadioResponse.hal b/radio/1.5/IRadioResponse.hal
index 2ed789a..3f83209 100644
--- a/radio/1.5/IRadioResponse.hal
+++ b/radio/1.5/IRadioResponse.hal
@@ -20,6 +20,7 @@
 import @1.4::IRadioResponse;
 import @1.5::BarringInfo;
 import @1.5::SetupDataCallResult;
+import @1.5::RegStateResult;
 
 /**
  * Interface declaring response functions to solicited radio requests.
@@ -170,4 +171,31 @@
      *   RadioError:MODEM_ERR
      */
     oneway getBarringInfoResponse(RadioResponseInfo info, vec<BarringInfo> barringInfos);
+
+    /**
+     * @param info Response info struct containing response type, serial no. and error
+     * @param voiceRegResponse Current Voice registration response as defined by RegStateResult
+     *        in types.hal
+     *
+     * Valid errors returned:
+     *   RadioError:NONE
+     *   RadioError:RADIO_NOT_AVAILABLE
+     *   RadioError:INTERNAL_ERR
+     */
+    oneway getVoiceRegistrationStateResponse_1_5(RadioResponseInfo info,
+            RegStateResult voiceRegResponse);
+
+    /**
+     * @param info Response info struct containing response type, serial no. and error
+     * @param dataRegResponse Current Data registration response as defined by RegStateResult in
+     *        types.hal
+     *
+     * Valid errors returned:
+     *   RadioError:NONE
+     *   RadioError:RADIO_NOT_AVAILABLE
+     *   RadioError:INTERNAL_ERR
+     *   RadioError:NOT_PROVISIONED
+     */
+    oneway getDataRegistrationStateResponse_1_5(RadioResponseInfo info,
+            RegStateResult dataRegResponse);
 };
diff --git a/radio/1.5/types.hal b/radio/1.5/types.hal
index efd2e35..55f2137 100644
--- a/radio/1.5/types.hal
+++ b/radio/1.5/types.hal
@@ -20,6 +20,7 @@
 import @1.0::DataProfileId;
 import @1.0::DataProfileInfoType;
 import @1.0::RadioAccessFamily;
+import @1.0::RegState;
 import @1.1::EutranBands;
 import @1.1::GeranBands;
 import @1.1::RadioAccessNetworks;
@@ -39,7 +40,10 @@
 import @1.4::DataCallFailCause;
 import @1.4::DataConnActiveStatus;
 import @1.4::DataProfileInfo;
+import @1.4::LteVopsInfo;
+import @1.4::NrIndicators;
 import @1.4::PdpProtocolType;
+import @1.4::RadioTechnology;
 
 import android.hidl.safe_union@1.0::Monostate;
 
@@ -635,3 +639,189 @@
     /** Control the unsolicited sending of barring info updates via onBarringInfo */
     BARRING_INFO = 1 << 6,
 };
+
+/**
+ * Call fail causes for Circuit-switched service enumerated in 3GPP TS 24.008, 10.5.3.6 and
+ * 10.5.147. Additional detail is available in 3GPP TS 24.008 Annex G.
+ */
+enum RegistrationFailCause : int32_t {
+    /** 0 - None */
+    NONE = 0,
+    /** 2 - IMSI unknown in HLR */
+    IMSI_UNKNOWN_IN_HLR = 2,
+    /** 3 - Illegal MS */
+    ILLEGAL_MS = 3,
+    /** 4 - Illegal ME */
+    IMSI_UNKNOWN_IN_VLR = 4,
+    /** 5 - PLMN not allowed */
+    IMEI_NOT_ACCEPTED = 5,
+    /** 6 - Location area not allowed */
+    ILLEGAL_ME = 6,
+    /** 7 - Roaming not allowed */
+    GPRS_SERVICES_NOT_ALLOWED = 7,
+    /** 8 - No Suitable Cells in this Location Area */
+    GPRS_AND_NON_GPRS_SERVICES_NOT_ALLOWED = 8,
+    /** 9 - Network failure */
+    MS_IDENTITY_CANNOT_BE_DERIVED_BY_NETWORK = 9,
+    /** 10 - Persistent location update reject */
+    IMPLICITLY_DETACHED = 10,
+    /** 11 - PLMN not allowed */
+    PLMN_NOT_ALLOWED = 11,
+    /** 12 - Location area not allowed */
+    LOCATION_AREA_NOT_ALLOWED = 12,
+    /** 13 - Roaming not allowed in this Location Area */
+    ROAMING_NOT_ALLOWED = 13,
+    /** 14 - GPRS Services not allowed in this PLMN */
+    GPRS_SERVICES_NOT_ALLOWED_IN_PLMN = 14,
+    /** 15 - No Suitable Cells in this Location Area */
+    NO_SUITABLE_CELLS = 15,
+    /** 16 - MSC temporarily not reachable */
+    MSC_TEMPORARILY_NOT_REACHABLE = 15,
+    /** 17 - Network Failure */
+    NETWORK_FAILURE = 17,
+    /** 20 - MAC Failure */
+    MAC_FAILURE = 20,
+    /** 21 - Sync Failure */
+    SYNC_FAILURE = 21,
+    /** 22 - Congestion */
+    CONGESTION = 22,
+    /** 23 - GSM Authentication unacceptable */
+    GSM_AUTHENTICATION_UNACCEPTABLE = 23,
+    /** 25 - Not Authorized for this CSG */
+    NOT_AUTHORIZED_FOR_THIS_CSG = 25,
+    /** 28 SMS provided via GPRS in this routing area */
+    SMS_PROVIDED_BY_GPRS_IN_ROUTING_AREA,
+    /** 32 - Service option not supported */
+    SERVICE_OPTION_NOT_SUPPORTED = 32,
+    /** 33 - Requested service option not subscribed */
+    SERVICE_OPTION_NOT_SUBSCRIBED = 33,
+    /** 34 - Service option temporarily out of order */
+    SERVICE_OPTION_TEMPORARILY_OUT_OF_ORDER = 34,
+    /** 38 - Call cannot be identified */
+    CALL_CANNOT_BE_IDENTIFIED = 38,
+    /** 40 No PDP context activated */
+    NO_PDP_CONTEXT_ACTIVATED = 40,
+    /** 48-63 - Retry upon entry into a new cell */
+    RETRY_UPON_ENTRY_INTO_NEW_CELL_1 = 48,
+    RETRY_UPON_ENTRY_INTO_NEW_CELL_2 = 49,
+    RETRY_UPON_ENTRY_INTO_NEW_CELL_3 = 50,
+    RETRY_UPON_ENTRY_INTO_NEW_CELL_4 = 51,
+    RETRY_UPON_ENTRY_INTO_NEW_CELL_5 = 52,
+    RETRY_UPON_ENTRY_INTO_NEW_CELL_6 = 53,
+    RETRY_UPON_ENTRY_INTO_NEW_CELL_7 = 54,
+    RETRY_UPON_ENTRY_INTO_NEW_CELL_8 = 55,
+    RETRY_UPON_ENTRY_INTO_NEW_CELL_9 = 56,
+    RETRY_UPON_ENTRY_INTO_NEW_CELL_10 = 57,
+    RETRY_UPON_ENTRY_INTO_NEW_CELL_11 = 58,
+    RETRY_UPON_ENTRY_INTO_NEW_CELL_12 = 59,
+    RETRY_UPON_ENTRY_INTO_NEW_CELL_13 = 60,
+    RETRY_UPON_ENTRY_INTO_NEW_CELL_14 = 61,
+    RETRY_UPON_ENTRY_INTO_NEW_CELL_15 = 62,
+    RETRY_UPON_ENTRY_INTO_NEW_CELL_16 = 63,
+    /** 95 - Semantically incorrect message */
+    SEMANTICALLY_INCORRECT_MESSAGE = 95,
+    /** 96 - Invalid mandatory information */
+    INVALID_MANDATORY_INFORMATION = 96,
+    /** 97 - Message type non-existent or not implemented */
+    MESSAGE_TYPE_NON_EXISTENT_OR_NOT_IMPLEMENTED = 97,
+    /** 98 - Message type not compatible with protocol state */
+    MESSAGE_TYPE_NOT_COMPATIBLE_WITH_PROTOCOL_STATE = 98,
+    /** 99 - Information element non-existent or not implemented */
+    INFORMATION_ELEMENT_NON_EXISTENT_OR_NOT_IMPLEMENTED = 99,
+    /** 100 - Conditional IE error */
+    CONDITIONAL_IE_ERROR = 100,
+    /** 101 - Message not compatible with protocol state */
+    MESSAGE_NOT_COMPATIBLE_WITH_PROTOCOL_STATE = 101,
+    /** 111 - Protocol error, unspecified */
+    PROTOCOL_ERROR_UNSPECIFIED = 111,
+};
+
+enum PrlIndicator : int32_t {
+    NOT_REGISTERED = -1,
+    NOT_IN_PRL = 0,
+    IN_PRL = 1,
+};
+
+struct RegStateResult {
+    /**
+     * Registration state
+     *
+     * If the RAT is indicated as a GERAN, UTRAN, or CDMA2000 technology, this value reports
+     * registration in the Circuit-switched domain.
+     * If the RAT is indicated as an EUTRAN, NGRAN, or another technology that does not support
+     * circuit-switched services, this value reports registration in the Packet-switched domain.
+     */
+    RegState regState;
+
+    /**
+     * Indicates the available voice radio technology, valid values as
+     * defined by RadioTechnology.
+     */
+    RadioTechnology rat;
+
+    /**
+     * Cause code reported by the network in case registration fails. This will be a mobility
+     * management cause code defined for MM, GMM, MME or equivalent as appropriate for the RAT.
+     */
+    RegistrationFailCause reasonForDenial;
+
+    /** CellIdentity */
+    CellIdentity cellIdentity;
+
+    /**
+     * The most-recent PLMN-ID upon which the UE registered (or attempted to register if a failure
+     * is reported in the reasonForDenial field). This PLMN shall be in standard format consisting
+     * of a 3 digit MCC concatenated with a 2 or 3 digit MNC.
+     */
+    string registeredPlmn;
+
+    /**
+     * Access-technology-specific registration information, such as for Cdma2000.
+     */
+    safe_union AccessTechnologySpecificInfo {
+        Monostate noinit;
+
+        struct Cdma2000RegistrationInfo {
+            /**
+             * concurrent services support indicator. if registered on a CDMA system.
+             * false - Concurrent services not supported,
+             * true - Concurrent services supported
+             */
+            bool cssSupported;
+
+            /**
+             * TSB-58 Roaming Indicator if registered on a CDMA or EVDO system or -1 if not.
+             * Valid values are 0-255.
+             */
+            int32_t roamingIndicator;
+
+            /**
+             * Indicates whether the current system is in the PRL if registered on a CDMA or EVDO
+             * system or -1 if not. 0=not in the PRL, 1=in the PRL.
+             */
+            PrlIndicator systemIsInPrl;
+
+            /**
+             * Default Roaming Indicator from the PRL if registered on a CDMA or EVDO system or -1
+             * if not.
+             * Valid values are 0-255.
+             */
+            int32_t defaultRoamingIndicator;
+        } cdmaInfo;
+
+        struct EutranRegistrationInfo {
+            /**
+             * Network capabilities for voice over PS services. This info is valid only on LTE
+             * network and must be present when device is camped on LTE. vopsInfo must be empty when
+             * device is camped only on 2G/3G.
+             */
+            LteVopsInfo lteVopsInfo; // LTE network capability
+
+            /**
+             * The parameters of NR 5G Non-Standalone. This value is only valid on E-UTRAN,
+             * otherwise must be empty.
+             */
+            NrIndicators nrIndicators;
+        } eutranInfo;
+    } accessTechnologySpecificInfo;
+};
diff --git a/radio/1.5/vts/functional/radio_hidl_hal_utils_v1_5.h b/radio/1.5/vts/functional/radio_hidl_hal_utils_v1_5.h
index c2a7d8a..9256c3e 100644
--- a/radio/1.5/vts/functional/radio_hidl_hal_utils_v1_5.h
+++ b/radio/1.5/vts/functional/radio_hidl_hal_utils_v1_5.h
@@ -558,6 +558,14 @@
             const RadioResponseInfo& info,
             const ::android::hardware::hidl_vec<::android::hardware::radio::V1_5::BarringInfo>&
                     barringInfos);
+
+    Return<void> getVoiceRegistrationStateResponse_1_5(
+            const RadioResponseInfo& info,
+            const ::android::hardware::radio::V1_5::RegStateResult& regResponse);
+
+    Return<void> getDataRegistrationStateResponse_1_5(
+            const RadioResponseInfo& info,
+            const ::android::hardware::radio::V1_5::RegStateResult& regResponse);
 };
 
 /* Callback class for radio indication */
diff --git a/radio/1.5/vts/functional/radio_response.cpp b/radio/1.5/vts/functional/radio_response.cpp
index 644a262..d16833c 100644
--- a/radio/1.5/vts/functional/radio_response.cpp
+++ b/radio/1.5/vts/functional/radio_response.cpp
@@ -969,3 +969,19 @@
     parent_v1_5.notify(info.serial);
     return Void();
 }
+
+Return<void> RadioResponse_v1_5::getVoiceRegistrationStateResponse_1_5(
+        const RadioResponseInfo& info,
+        const ::android::hardware::radio::V1_5::RegStateResult& /*regResponse*/) {
+    rspInfo = info;
+    parent_v1_5.notify(info.serial);
+    return Void();
+}
+
+Return<void> RadioResponse_v1_5::getDataRegistrationStateResponse_1_5(
+        const RadioResponseInfo& info,
+        const ::android::hardware::radio::V1_5::RegStateResult& /*regResponse*/) {
+    rspInfo = info;
+    parent_v1_5.notify(info.serial);
+    return Void();
+}