diff --git a/radio/1.6/Android.bp b/radio/1.6/Android.bp
index b363f57..fc3191f 100644
--- a/radio/1.6/Android.bp
+++ b/radio/1.6/Android.bp
@@ -17,6 +17,7 @@
         "android.hardware.radio@1.4",
         "android.hardware.radio@1.5",
         "android.hidl.base@1.0",
+        "android.hidl.safe_union@1.0",
     ],
     gen_java: true,
 }
diff --git a/radio/1.6/IRadio.hal b/radio/1.6/IRadio.hal
index a084b92..c3f15f4 100644
--- a/radio/1.6/IRadio.hal
+++ b/radio/1.6/IRadio.hal
@@ -16,7 +16,11 @@
 
 package android.hardware.radio@1.6;
 
+import @1.2::DataRequestReason;
 import @1.5::IRadio;
+import @1.5::AccessNetwork;
+import @1.5::DataProfileInfo;
+import @1.5::LinkAddress;
 
 /**
  * This interface is used by telephony and telecom to talk to cellular radio.
@@ -24,7 +28,63 @@
  * serial: which corresponds to serial no. of request. Serial numbers must only be memorized for the
  * duration of a method call. If clients provide colliding serials (including passing the same
  * serial to different methods), multiple responses (one for each method call) must still be served.
- * setResponseFunctions must work with @1.6:IRadioResponse and @1.6::IRadioIndication.
+ * setResponseFunctions must work with @1.6::IRadioResponse and @1.6::IRadioIndication.
  */
 interface IRadio extends @1.5::IRadio {
+    /**
+     * Returns the data call list. An entry is added when a setupDataCall() is issued and removed
+     * on a deactivateDataCall(). The list is emptied when setRadioPower()  off/on issued or when
+     * the vendor HAL or modem crashes.
+     *
+     * @param serial Serial number of request.
+     *
+     * Response function is IRadioResponse.getDataCallListResponse_1_6()
+     */
+    oneway getDataCallList_1_6(int32_t serial);
+
+    /**
+     * Setup a packet data connection. If DataCallResponse.status returns DataCallFailCause:NONE,
+     * the data connection must be added to data calls and a unsolDataCallListChanged() must be
+     * sent. The call remains until removed by subsequent unsolDataCallIstChanged(). It may be
+     * lost due to many factors, including deactivateDataCall() being issued, the radio powered
+     * off, reception lost or even transient factors like congestion. This data call list is
+     * returned by getDataCallList() and dataCallListChanged().
+     *
+     * The Radio is expected to:
+     *   - Create one data call context.
+     *   - Create and configure a dedicated interface for the context.
+     *   - The interface must be point to point.
+     *   - The interface is configured with one or more addresses and is capable of sending and
+     *     receiving packets. The format is IP address with optional "/" prefix length
+     *     (The format is defined in RFC-4291 section 2.3). For example, "192.0.1.3",
+     *     "192.0.1.11/16", or "2001:db8::1/64". Typically one IPv4 or one IPv6 or one of each. If
+     *     the prefix length is absent, then the addresses are assumed to be point to point with
+     *     IPv4 with prefix length 32 or IPv6 with prefix length 128.
+     *   - Must not modify routing configuration related to this interface; routing management is
+     *     exclusively within the purview of the Android OS.
+     *   - Support simultaneous data call contexts up to DataRegStateResult.maxDataCalls specified
+     *     in the response of getDataRegistrationState.
+     *
+     * @param serial Serial number of request.
+     * @param accessNetwork The access network to setup the data call. If the data connection cannot
+     *     be established on the specified access network then it should be responded with an error.
+     * @param dataProfileInfo Data profile info.
+     * @param roamingAllowed Indicates whether or not data roaming is allowed by the user.
+     * @param reason The request reason. Must be DataRequestReason:NORMAL or
+     *     DataRequestReason:HANDOVER.
+     * @param addresses If the reason is DataRequestReason:HANDOVER, this indicates the list of link
+     *     addresses of the existing data connection. This parameter must be ignored unless reason
+     *     is DataRequestReason:HANDOVER.
+     * @param dnses If the reason is DataRequestReason:HANDOVER, this indicates the list of DNS
+     *     addresses of the existing data connection. The format is defined in RFC-4291 section 2.2.
+     *     For example, "192.0.1.3" or "2001:db8::1". This parameter must be ignored unless reason
+     *     is DataRequestReason:HANDOVER.
+     *
+     * Response function is IRadioResponse.setupDataCallResponse_1_6()
+     *
+     * Note this API is the same as the 1.5
+     */
+    oneway setupDataCall_1_6(int32_t serial, AccessNetwork accessNetwork,
+            DataProfileInfo dataProfileInfo, bool roamingAllowed,
+            DataRequestReason reason, vec<LinkAddress> addresses, vec<string> dnses);
 };
diff --git a/radio/1.6/IRadioIndication.hal b/radio/1.6/IRadioIndication.hal
index 9951dd9..d9aaa38 100644
--- a/radio/1.6/IRadioIndication.hal
+++ b/radio/1.6/IRadioIndication.hal
@@ -16,10 +16,28 @@
 
 package android.hardware.radio@1.6;
 
+import @1.0::RadioIndicationType;
 import @1.5::IRadioIndication;
 
 /**
  * Interface declaring unsolicited radio indications.
  */
 interface IRadioIndication extends @1.5::IRadioIndication {
+
+    /**
+     * Indicates data call contexts have changed.
+     *
+     * This indication is updated from IRadioIndication@1.5 to report the @1.6 version of
+     * SetupDataCallResult.
+     *
+     * @param type Type of radio indication
+     * @param dcList Array of SetupDataCallResult identical to that returned by
+     *        IRadio.getDataCallList(). It is the complete list of current data contexts including
+     *        new contexts that have been activated. A data call is only removed from this list
+     *        when any of the below conditions is matched.
+     *        1. The framework sends a IRadio.deactivateDataCall().
+     *        2. The radio is powered off/on.
+     *        3. Unsolicited disconnect from either modem or network side.
+     */
+    oneway dataCallListChanged_1_6(RadioIndicationType type, vec<SetupDataCallResult> dcList);
 };
diff --git a/radio/1.6/IRadioResponse.hal b/radio/1.6/IRadioResponse.hal
index a67aa3f..e91b9c1 100644
--- a/radio/1.6/IRadioResponse.hal
+++ b/radio/1.6/IRadioResponse.hal
@@ -16,10 +16,42 @@
 
 package android.hardware.radio@1.6;
 
+import @1.0::RadioResponseInfo;
 import @1.5::IRadioResponse;
+import @1.6::SetupDataCallResult;
 
 /**
  * Interface declaring response functions to solicited radio requests.
  */
 interface IRadioResponse extends @1.5::IRadioResponse {
+    /**
+     * @param info Response info struct containing response type, serial no. and error
+     * @param dcResponse SetupDataCallResult defined in types.hal
+     *
+     * Valid errors returned:
+     *   RadioError:NONE must be returned on both success and failure of setup with the
+     *              DataCallResponse.status containing the actual status
+     *              For all other errors the DataCallResponse is ignored.
+     *   RadioError:RADIO_NOT_AVAILABLE
+     *   RadioError:OP_NOT_ALLOWED_BEFORE_REG_TO_NW
+     *   RadioError:OP_NOT_ALLOWED_DURING_VOICE_CALL
+     *   RadioError:INVALID_ARGUMENTS
+     *   RadioError:INTERNAL_ERR
+     *   RadioError:NO_RESOURCES if the vendor is unable handle due to resources
+     *              are full.
+     *   RadioError:SIM_ABSENT
+     */
+    oneway setupDataCallResponse_1_6(RadioResponseInfo info, SetupDataCallResult dcResponse);
+
+    /**
+     * @param info Response info struct containing response type, serial no. and error
+     * @param dcResponse List of SetupDataCallResult as defined in types.hal
+     *
+     * Valid errors returned:
+     *   RadioError:NONE
+     *   RadioError:RADIO_NOT_AVAILABLE
+     *   RadioError:INTERNAL_ERR
+     *   RadioError:SIM_ABSENT
+     */
+    oneway getDataCallListResponse_1_6(RadioResponseInfo info, vec<SetupDataCallResult> dcResponse);
 };
diff --git a/radio/1.6/types.hal b/radio/1.6/types.hal
index 3395619..fbcbe97 100644
--- a/radio/1.6/types.hal
+++ b/radio/1.6/types.hal
@@ -15,3 +15,176 @@
  */
 
 package android.hardware.radio@1.6;
+
+import @1.5::SetupDataCallResult;
+
+import android.hidl.safe_union@1.0::Monostate;
+
+struct QosBandwidth {
+    /** Maximum bit rate possible on the bearer */
+    int32_t maxBitrateKbps;
+    /** Minimum bit rate that is guaranteed to be provided by the network */
+    int32_t guaranteedBitrateKbps;
+};
+
+/** LTE/EPS Quality of Service parameters as per 3gpp spec 24.301 sec 9.9.4.3. */
+struct EpsQos {
+    /**
+     * Quality of Service Class Identifier (QCI), see 3GPP TS 23.203 and 29.212.
+     * The allowed values are standard values(1-9, 65-68, 69-70, 75, 79-80, 82-85)
+     * defined in the spec and operator specific values in the range 128-254.
+     */
+    uint16_t qci;
+    QosBandwidth downlink;
+    QosBandwidth uplink;
+};
+
+/** 5G Quality of Service parameters as per 3gpp spec 24.501 sec 9.11.4.12 */
+struct NrQos {
+    /**
+     * 5G QOS Identifier (5QI), see 3GPP TS 24.501 and 23.501.
+     * The allowed values are standard values(1-9, 65-68, 69-70, 75, 79-80, 82-85)
+     * defined in the spec and operator specific values in the range 128-254.
+     */
+    uint16_t fiveQi;
+    QosBandwidth downlink;
+    QosBandwidth uplink;
+    /**
+     * QOS flow identifier of the QOS flow description in the
+     * range of QosFlowIdRange::MIN to QosFlowIdRange::MAX
+     */
+    uint8_t qfi;
+    uint16_t averagingWindowMs;
+};
+
+/** Allowed values for 5G QOS flow identifier */
+enum QosFlowIdRange : uint8_t {
+    MIN = 1,
+    MAX = 63
+};
+
+/** EPS or NR QOS parameters */
+safe_union Qos {
+    Monostate noinit;
+    EpsQos eps;
+    NrQos nr;
+};
+
+/**
+ * Next header protocol numbers defined by IANA, RFC 5237
+ */
+enum QosProtocol : int32_t {
+    /** No protocol specified */
+    UNSPECIFIED = -1,
+    /** Transmission Control Protocol */
+    TCP = 6,
+    /** User Datagram Protocol */
+    UDP = 17,
+    /** Encapsulating Security Payload Protocol */
+    ESP = 50,
+    /** Authentication Header */
+    AH = 51,
+};
+
+enum QosFilterDirection : int32_t {
+    DOWNLINK = 0,
+    UPLINK = 1,
+    BIDIRECTIONAL = 2,
+};
+
+/** Allowed port numbers */
+enum QosPortRange : int32_t {
+    MIN = 20,
+    MAX = 65535
+};
+
+/**
+ * Defines range of ports. start and end are the first and last port numbers
+ * (inclusive) in the range. Both start and end are in QosPortRange.MIN to
+ * QosPortRange.MAX range. A single port shall be represented by the same
+ * start and end value.
+ */
+struct PortRange {
+    int32_t start;
+    int32_t end;
+};
+
+/** Port is optional, contains either single port or range of ports */
+safe_union MaybePort {
+    Monostate noinit;
+    PortRange range;
+};
+
+/** See 3gpp 24.008 10.5.6.12 and 3gpp 24.501 9.11.4.13 */
+struct QosFilter {
+    /**
+     * Local and remote IP addresses, typically one IPv4 or one IPv6
+     * or one of each. Addresses could be with optional "/" prefix
+     * length, e.g.,"192.0.1.3" or "192.0.1.11/16 2001:db8::1/64".
+     * If the prefix length is absent the addresses are assumed to be
+     * point to point with IPv4 having a prefix length of 32 and
+     * IPv6 128.
+     */
+    vec<string> localAddresses;
+    vec<string> remoteAddresses;
+
+    /** Local and remote port/ranges */
+    MaybePort localPort;
+    MaybePort remotePort;
+
+    /** QoS protocol */
+    QosProtocol protocol;
+
+    /** Type of service value or mask as defined in RFC 1349 */
+    safe_union TypeOfService {
+         Monostate noinit;
+         uint8_t value;
+    } tos;
+
+    /** IPv6 flow label as defined in RFC 6437 */
+    safe_union Ipv6FlowLabel {
+         Monostate noinit;
+         uint32_t value;
+    } flowLabel;
+
+    /** IPSec security parameter index */
+    safe_union IpsecSpi {
+         Monostate noinit;
+         uint32_t value;
+    } spi;
+
+    /** Filter direction */
+    QosFilterDirection direction;
+
+    /**
+     * Specified the order in which the filter needs to be matched.
+     * A lower numerical(positive) value has a higher precedence.
+     * Set -1 when unspecified.
+     */
+    int32_t precedence;
+};
+
+/** QOS session associated with a dedicated bearer */
+struct QosSession {
+    /** Unique ID of the QoS session within the data call */
+    int32_t qosSessionId;
+
+    /** QOS attributes */
+    Qos qos;
+
+    /** List of QOS filters associated with this session */
+    vec<QosFilter> qosFilters;
+};
+
+struct SetupDataCallResult {
+    @1.5::SetupDataCallResult base;
+
+    /** Default bearer QoS. Applicable to LTE and NR */
+    Qos defaultQos;
+
+    /**
+     * Active QOS sessions of the dedicated bearers. Applicable to
+     * PDNs that support dedicated bearers.
+     */
+    vec<QosSession> qosSessions;
+};
diff --git a/radio/1.6/vts/functional/radio_hidl_hal_api.cpp b/radio/1.6/vts/functional/radio_hidl_hal_api.cpp
index 8ed56ed..0bfce4d 100644
--- a/radio/1.6/vts/functional/radio_hidl_hal_api.cpp
+++ b/radio/1.6/vts/functional/radio_hidl_hal_api.cpp
@@ -17,3 +17,60 @@
 #include <radio_hidl_hal_utils_v1_6.h>
 
 #define ASSERT_OK(ret) ASSERT_TRUE(ret.isOk())
+
+/*
+ * Test IRadio.setupDataCall_1_6() for the response returned.
+ */
+TEST_P(RadioHidlTest_v1_6, setupDataCall_1_6) {
+    serial = GetRandomSerialNumber();
+
+    ::android::hardware::radio::V1_5::AccessNetwork accessNetwork =
+            ::android::hardware::radio::V1_5::AccessNetwork::EUTRAN;
+
+    android::hardware::radio::V1_5::DataProfileInfo dataProfileInfo;
+    memset(&dataProfileInfo, 0, sizeof(dataProfileInfo));
+    dataProfileInfo.profileId = DataProfileId::DEFAULT;
+    dataProfileInfo.apn = hidl_string("internet");
+    dataProfileInfo.protocol = PdpProtocolType::IP;
+    dataProfileInfo.roamingProtocol = PdpProtocolType::IP;
+    dataProfileInfo.authType = ApnAuthType::NO_PAP_NO_CHAP;
+    dataProfileInfo.user = hidl_string("username");
+    dataProfileInfo.password = hidl_string("password");
+    dataProfileInfo.type = DataProfileInfoType::THREE_GPP;
+    dataProfileInfo.maxConnsTime = 300;
+    dataProfileInfo.maxConns = 20;
+    dataProfileInfo.waitTime = 0;
+    dataProfileInfo.enabled = true;
+    dataProfileInfo.supportedApnTypesBitmap = 320;
+    dataProfileInfo.bearerBitmap = 161543;
+    dataProfileInfo.mtuV4 = 0;
+    dataProfileInfo.mtuV6 = 0;
+    dataProfileInfo.preferred = true;
+    dataProfileInfo.persistent = false;
+
+    bool roamingAllowed = false;
+
+    std::vector<::android::hardware::radio::V1_5::LinkAddress> addresses = {};
+    std::vector<hidl_string> dnses = {};
+
+    ::android::hardware::radio::V1_2::DataRequestReason reason =
+            ::android::hardware::radio::V1_2::DataRequestReason::NORMAL;
+
+    Return<void> res = radio_v1_6->setupDataCall_1_6(serial, accessNetwork, dataProfileInfo,
+                                                     roamingAllowed, reason, addresses, dnses);
+    ASSERT_OK(res);
+
+    EXPECT_EQ(std::cv_status::no_timeout, wait());
+    EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_v1_6->rspInfo.type);
+    EXPECT_EQ(serial, radioRsp_v1_6->rspInfo.serial);
+
+    if (cardStatus.base.base.base.cardState == CardState::ABSENT) {
+        ASSERT_TRUE(CheckAnyOfErrors(radioRsp_v1_6->rspInfo.error,
+                                     {RadioError::SIM_ABSENT, RadioError::RADIO_NOT_AVAILABLE,
+                                      RadioError::OP_NOT_ALLOWED_BEFORE_REG_TO_NW}));
+    } else if (cardStatus.base.base.base.cardState == CardState::PRESENT) {
+        ASSERT_TRUE(CheckAnyOfErrors(radioRsp_v1_6->rspInfo.error,
+                                     {RadioError::NONE, RadioError::RADIO_NOT_AVAILABLE,
+                                      RadioError::OP_NOT_ALLOWED_BEFORE_REG_TO_NW}));
+    }
+}
diff --git a/radio/1.6/vts/functional/radio_hidl_hal_test.cpp b/radio/1.6/vts/functional/radio_hidl_hal_test.cpp
index e9a4542..114fd1a 100644
--- a/radio/1.6/vts/functional/radio_hidl_hal_test.cpp
+++ b/radio/1.6/vts/functional/radio_hidl_hal_test.cpp
@@ -72,3 +72,9 @@
     count_--;
     return status;
 }
+
+void RadioHidlTest_v1_6::getDataCallList() {
+    serial = GetRandomSerialNumber();
+    radio_v1_6->getDataCallList_1_6(serial);
+    EXPECT_EQ(std::cv_status::no_timeout, wait());
+}
diff --git a/radio/1.6/vts/functional/radio_hidl_hal_utils_v1_6.h b/radio/1.6/vts/functional/radio_hidl_hal_utils_v1_6.h
index 66846ea..95a2d09 100644
--- a/radio/1.6/vts/functional/radio_hidl_hal_utils_v1_6.h
+++ b/radio/1.6/vts/functional/radio_hidl_hal_utils_v1_6.h
@@ -602,6 +602,13 @@
             const ::android::hardware::radio::V1_5::CardStatus& card_status);
 
     /* 1.6 Api */
+    Return<void> setupDataCallResponse_1_6(
+            const RadioResponseInfo& info,
+            const android::hardware::radio::V1_6::SetupDataCallResult& dcResponse);
+
+    Return<void> getDataCallListResponse_1_6(
+            const RadioResponseInfo& info,
+            const hidl_vec<::android::hardware::radio::V1_6::SetupDataCallResult>& dcResponse);
 };
 
 /* Callback class for radio indication */
@@ -614,6 +621,9 @@
     virtual ~RadioIndication_v1_6() = default;
 
     /* 1.6 Api */
+    Return<void> dataCallListChanged_1_6(
+            RadioIndicationType type,
+            const hidl_vec<::android::hardware::radio::V1_6::SetupDataCallResult>& dcList);
 
     /* 1.5 Api */
     Return<void> uiccApplicationsEnablementChanged(RadioIndicationType type, bool enabled);
diff --git a/radio/1.6/vts/functional/radio_indication.cpp b/radio/1.6/vts/functional/radio_indication.cpp
index 857ea3c..57ee873 100644
--- a/radio/1.6/vts/functional/radio_indication.cpp
+++ b/radio/1.6/vts/functional/radio_indication.cpp
@@ -19,6 +19,11 @@
 RadioIndication_v1_6::RadioIndication_v1_6(RadioHidlTest_v1_6& parent) : parent_v1_6(parent) {}
 
 /* 1.6 Apis */
+Return<void> RadioIndication_v1_6::dataCallListChanged_1_6(
+        RadioIndicationType /*type*/,
+        const hidl_vec<android::hardware::radio::V1_6::SetupDataCallResult>& /*dcList*/) {
+    return Void();
+}
 
 /* 1.5 Apis */
 Return<void> RadioIndication_v1_6::uiccApplicationsEnablementChanged(RadioIndicationType /*type*/,
diff --git a/radio/1.6/vts/functional/radio_response.cpp b/radio/1.6/vts/functional/radio_response.cpp
index 44e61b9..f53e199 100644
--- a/radio/1.6/vts/functional/radio_response.cpp
+++ b/radio/1.6/vts/functional/radio_response.cpp
@@ -1041,4 +1041,18 @@
 }
 
 /* 1.6 Apis */
+Return<void> RadioResponse_v1_6::setupDataCallResponse_1_6(
+        const RadioResponseInfo& info,
+        const android::hardware::radio::V1_6::SetupDataCallResult& /* dcResponse */) {
+    rspInfo = info;
+    parent_v1_6.notify(info.serial);
+    return Void();
+}
 
+Return<void> RadioResponse_v1_6::getDataCallListResponse_1_6(
+        const RadioResponseInfo& info,
+        const hidl_vec<::android::hardware::radio::V1_6::SetupDataCallResult>& /* dcResponse */) {
+    rspInfo = info;
+    parent_v1_6.notify(info.serial);
+    return Void();
+}