diff --git a/radio/1.6/IRadio.hal b/radio/1.6/IRadio.hal
index a093dee..d3790a8 100644
--- a/radio/1.6/IRadio.hal
+++ b/radio/1.6/IRadio.hal
@@ -114,6 +114,9 @@
      *     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.
+     * @param pduSessionId The pdu session id to be used for this data call.  A value of 0 means
+     *     no pdu session id was attached to this call.
+     *     Reference: 3GPP TS 24.007 section 11.2.3.1b
      *
      * Response function is IRadioResponse.setupDataCallResponse_1_6()
      *
@@ -121,7 +124,8 @@
      */
     oneway setupDataCall_1_6(int32_t serial, AccessNetwork accessNetwork,
             DataProfileInfo dataProfileInfo, bool roamingAllowed,
-            DataRequestReason reason, vec<LinkAddress> addresses, vec<string> dnses);
+            DataRequestReason reason, vec<LinkAddress> addresses, vec<string> dnses,
+            int32_t pduSessionId);
 
     /**
      * Send an SMS message
@@ -290,12 +294,12 @@
      * @param serial Serial number of request.
      * @param id callId The identifier of the data call which is provided in SetupDataCallResult
      *
-     * Response function is IRadioResponse.beginHandoverResponse()
+     * Response function is IRadioResponse.startHandoverResponse()
      */
-    oneway beginHandover(int32_t serial, int32_t callId);
+    oneway startHandover(int32_t serial, int32_t callId);
 
     /**
-     * Indicates that a handover was cancelled after a call to IRadio::beginHandover.
+     * Indicates that a handover was cancelled after a call to IRadio::startHandover.
      *
      * Since the handover was unsuccessful, the modem retains ownership over any of the resources
      * being transferred and is still responsible for releasing them.
diff --git a/radio/1.6/IRadioResponse.hal b/radio/1.6/IRadioResponse.hal
index 0379e00..05bb003 100644
--- a/radio/1.6/IRadioResponse.hal
+++ b/radio/1.6/IRadioResponse.hal
@@ -241,7 +241,7 @@
 
     /**
      * @param info Response info struct containing response type, serial no. and error
-     * @param id The allocated id. On an error, this is set to -1
+     * @param id The allocated id. On an error, this is set to 0.
      *
      * Valid errors returned:
      *   RadioError:NONE
@@ -275,7 +275,7 @@
      *   RadioError:REQUEST_NOT_SUPPORTED
      *   RadioError:INVALID_CALL_ID
      */
-    oneway beginHandoverResponse(RadioResponseInfo info);
+    oneway startHandoverResponse(RadioResponseInfo info);
 
     /**
      * @param info Response info struct containing response type, serial no. and error
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 6547611..49df906 100644
--- a/radio/1.6/vts/functional/radio_hidl_hal_api.cpp
+++ b/radio/1.6/vts/functional/radio_hidl_hal_api.cpp
@@ -57,7 +57,7 @@
             ::android::hardware::radio::V1_2::DataRequestReason::NORMAL;
 
     Return<void> res = radio_v1_6->setupDataCall_1_6(serial, accessNetwork, dataProfileInfo,
-                                                     roamingAllowed, reason, addresses, dnses);
+                                                     roamingAllowed, reason, addresses, dnses, -1);
     ASSERT_OK(res);
 
     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 6189be6..28853ef 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
@@ -784,7 +784,7 @@
     Return<void> releasePduSessionIdResponse(
             const ::android::hardware::radio::V1_6::RadioResponseInfo& info);
 
-    Return<void> beginHandoverResponse(
+    Return<void> startHandoverResponse(
             const ::android::hardware::radio::V1_6::RadioResponseInfo& info);
 
     Return<void> cancelHandoverResponse(
diff --git a/radio/1.6/vts/functional/radio_response.cpp b/radio/1.6/vts/functional/radio_response.cpp
index 18cda6a..cc2be4e 100644
--- a/radio/1.6/vts/functional/radio_response.cpp
+++ b/radio/1.6/vts/functional/radio_response.cpp
@@ -1136,7 +1136,7 @@
     return Void();
 }
 
-Return<void> RadioResponse_v1_6::beginHandoverResponse(
+Return<void> RadioResponse_v1_6::startHandoverResponse(
         const ::android::hardware::radio::V1_6::RadioResponseInfo& info) {
     rspInfo = info;
     parent_v1_6.notify(info.serial);