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Commit 222bd9d6 authored by Jayachandran C's avatar Jayachandran C
Browse files

Pass cause and precise call fail causes for IMS calls 

Bug: 35609963
Change-Id: I7955a246b89e8dfd8a4b21ab9c8c4203b569c0a4
parent 9b85480e

src/java/com/android/internal/telephony/imsphone/ImsPhoneBase.java

+2 −0
Original line number Diff line number Diff line
@@ -220,6 +220,8 @@ abstract class ImsPhoneBase extends Phone { 


    public void notifyDisconnect(Connection cn) {

        mDisconnectRegistrants.notifyResult(cn);



        mNotifier.notifyDisconnectCause(cn.getDisconnectCause(), cn.getPreciseDisconnectCause());

    }



    void notifyUnknownConnection() {

src/java/com/android/internal/telephony/imsphone/ImsPhoneCallTracker.java

+243 −0
Original line number Diff line number Diff line
@@ -40,6 +40,7 @@ import android.telecom.ConferenceParticipant; 
import android.telecom.VideoProfile;

import android.telephony.CarrierConfigManager;

import android.telephony.DisconnectCause;

import android.telephony.PreciseDisconnectCause;

import android.telephony.PhoneNumberUtils;

import android.telephony.Rlog;

import android.telephony.ServiceState;
@@ -48,6 +49,7 @@ import android.telephony.TelephonyManager; 
import android.telephony.ims.ImsServiceProxy;

import android.telephony.ims.feature.ImsFeature;

import android.text.TextUtils;

import android.util.SparseIntArray;

import android.util.ArrayMap;

import android.util.Log;

import android.util.Pair;
@@ -315,6 +317,231 @@ public class ImsPhoneCallTracker extends CallTracker implements ImsPullCall { 
     */

    private boolean mSupportDowngradeVtToAudio = false;



    /**

     * Stores the mapping of {@code ImsReasonInfo#CODE_*} to {@code PreciseDisconnectCause#*}

     */

    private static final SparseIntArray PRECISE_CAUSE_MAP = new SparseIntArray();

    static {

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_ILLEGAL_ARGUMENT,

                PreciseDisconnectCause.LOCAL_ILLEGAL_ARGUMENT);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_ILLEGAL_STATE,

                PreciseDisconnectCause.LOCAL_ILLEGAL_STATE);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_INTERNAL_ERROR,

                PreciseDisconnectCause.LOCAL_INTERNAL_ERROR);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN,

                PreciseDisconnectCause.LOCAL_IMS_SERVICE_DOWN);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NO_PENDING_CALL,

                PreciseDisconnectCause.LOCAL_NO_PENDING_CALL);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_POWER_OFF,

                PreciseDisconnectCause.LOCAL_POWER_OFF);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_LOW_BATTERY,

                PreciseDisconnectCause.LOCAL_LOW_BATTERY);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NETWORK_NO_SERVICE,

                PreciseDisconnectCause.LOCAL_NETWORK_NO_SERVICE);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NETWORK_NO_LTE_COVERAGE,

                PreciseDisconnectCause.LOCAL_NETWORK_NO_LTE_COVERAGE);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NETWORK_ROAMING,

                PreciseDisconnectCause.LOCAL_NETWORK_ROAMING);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NETWORK_IP_CHANGED,

                PreciseDisconnectCause.LOCAL_NETWORK_IP_CHANGED);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE,

                PreciseDisconnectCause.LOCAL_SERVICE_UNAVAILABLE);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NOT_REGISTERED,

                PreciseDisconnectCause.LOCAL_NOT_REGISTERED);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_EXCEEDED,

                PreciseDisconnectCause.LOCAL_MAX_CALL_EXCEEDED);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_DECLINE,

                PreciseDisconnectCause.LOCAL_CALL_DECLINE);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_VCC_ON_PROGRESSING,

                PreciseDisconnectCause.LOCAL_CALL_VCC_ON_PROGRESSING);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_RESOURCE_RESERVATION_FAILED,

                PreciseDisconnectCause.LOCAL_CALL_RESOURCE_RESERVATION_FAILED);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_CS_RETRY_REQUIRED,

                PreciseDisconnectCause.LOCAL_CALL_CS_RETRY_REQUIRED);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_VOLTE_RETRY_REQUIRED,

                PreciseDisconnectCause.LOCAL_CALL_VOLTE_RETRY_REQUIRED);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_TERMINATED,

                PreciseDisconnectCause.LOCAL_CALL_TERMINATED);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_HO_NOT_FEASIBLE,

                PreciseDisconnectCause.LOCAL_HO_NOT_FEASIBLE);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_TIMEOUT_1XX_WAITING,

                PreciseDisconnectCause.TIMEOUT_1XX_WAITING);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_TIMEOUT_NO_ANSWER,

                PreciseDisconnectCause.TIMEOUT_NO_ANSWER);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_TIMEOUT_NO_ANSWER_CALL_UPDATE,

                PreciseDisconnectCause.TIMEOUT_NO_ANSWER_CALL_UPDATE);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_FDN_BLOCKED,

                PreciseDisconnectCause.FDN_BLOCKED);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_REDIRECTED,

                PreciseDisconnectCause.SIP_REDIRECTED);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_BAD_REQUEST,

                PreciseDisconnectCause.SIP_BAD_REQUEST);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_FORBIDDEN,

                PreciseDisconnectCause.SIP_FORBIDDEN);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_NOT_FOUND,

                PreciseDisconnectCause.SIP_NOT_FOUND);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_NOT_SUPPORTED,

                PreciseDisconnectCause.SIP_NOT_SUPPORTED);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_REQUEST_TIMEOUT,

                PreciseDisconnectCause.SIP_REQUEST_TIMEOUT);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_TEMPRARILY_UNAVAILABLE,

                PreciseDisconnectCause.SIP_TEMPRARILY_UNAVAILABLE);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_BAD_ADDRESS,

                PreciseDisconnectCause.SIP_BAD_ADDRESS);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_BUSY,

                PreciseDisconnectCause.SIP_BUSY);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_REQUEST_CANCELLED,

                PreciseDisconnectCause.SIP_REQUEST_CANCELLED);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_NOT_ACCEPTABLE,

                PreciseDisconnectCause.SIP_NOT_ACCEPTABLE);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_NOT_REACHABLE,

                PreciseDisconnectCause.SIP_NOT_REACHABLE);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_CLIENT_ERROR,

                PreciseDisconnectCause.SIP_CLIENT_ERROR);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_SERVER_INTERNAL_ERROR,

                PreciseDisconnectCause.SIP_SERVER_INTERNAL_ERROR);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_SERVICE_UNAVAILABLE,

                PreciseDisconnectCause.SIP_SERVICE_UNAVAILABLE);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_SERVER_TIMEOUT,

                PreciseDisconnectCause.SIP_SERVER_TIMEOUT);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_SERVER_ERROR,

                PreciseDisconnectCause.SIP_SERVER_ERROR);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_USER_REJECTED,

                PreciseDisconnectCause.SIP_USER_REJECTED);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_GLOBAL_ERROR,

                PreciseDisconnectCause.SIP_GLOBAL_ERROR);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_EMERGENCY_TEMP_FAILURE,

                PreciseDisconnectCause.EMERGENCY_TEMP_FAILURE);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_EMERGENCY_PERM_FAILURE,

                PreciseDisconnectCause.EMERGENCY_PERM_FAILURE);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MEDIA_INIT_FAILED,

                PreciseDisconnectCause.MEDIA_INIT_FAILED);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MEDIA_NO_DATA,

                PreciseDisconnectCause.MEDIA_NO_DATA);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MEDIA_NOT_ACCEPTABLE,

                PreciseDisconnectCause.MEDIA_NOT_ACCEPTABLE);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MEDIA_UNSPECIFIED,

                PreciseDisconnectCause.MEDIA_UNSPECIFIED);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_USER_TERMINATED,

                PreciseDisconnectCause.USER_TERMINATED);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_USER_NOANSWER,

                PreciseDisconnectCause.USER_NOANSWER);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_USER_IGNORE,

                PreciseDisconnectCause.USER_IGNORE);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_USER_DECLINE,

                PreciseDisconnectCause.USER_DECLINE);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOW_BATTERY,

                PreciseDisconnectCause.LOW_BATTERY);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_BLACKLISTED_CALL_ID,

                PreciseDisconnectCause.BLACKLISTED_CALL_ID);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_USER_TERMINATED_BY_REMOTE,

                PreciseDisconnectCause.USER_TERMINATED_BY_REMOTE);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UT_NOT_SUPPORTED,

                PreciseDisconnectCause.UT_NOT_SUPPORTED);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UT_SERVICE_UNAVAILABLE,

                PreciseDisconnectCause.UT_SERVICE_UNAVAILABLE);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UT_OPERATION_NOT_ALLOWED,

                PreciseDisconnectCause.UT_OPERATION_NOT_ALLOWED);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UT_NETWORK_ERROR,

                PreciseDisconnectCause.UT_NETWORK_ERROR);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UT_CB_PASSWORD_MISMATCH,

                PreciseDisconnectCause.UT_CB_PASSWORD_MISMATCH);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_ECBM_NOT_SUPPORTED,

                PreciseDisconnectCause.ECBM_NOT_SUPPORTED);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MULTIENDPOINT_NOT_SUPPORTED,

                PreciseDisconnectCause.MULTIENDPOINT_NOT_SUPPORTED);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_CALL_DROP_IWLAN_TO_LTE_UNAVAILABLE,

                PreciseDisconnectCause.CALL_DROP_IWLAN_TO_LTE_UNAVAILABLE);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_ANSWERED_ELSEWHERE,

                PreciseDisconnectCause.ANSWERED_ELSEWHERE);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_CALL_PULL_OUT_OF_SYNC,

                PreciseDisconnectCause.CALL_PULL_OUT_OF_SYNC);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_CALL_END_CAUSE_CALL_PULL,

                PreciseDisconnectCause.CALL_PULLED);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SUPP_SVC_FAILED,

                PreciseDisconnectCause.SUPP_SVC_FAILED);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SUPP_SVC_CANCELLED,

                PreciseDisconnectCause.SUPP_SVC_CANCELLED);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SUPP_SVC_REINVITE_COLLISION,

                PreciseDisconnectCause.SUPP_SVC_REINVITE_COLLISION);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_IWLAN_DPD_FAILURE,

                PreciseDisconnectCause.IWLAN_DPD_FAILURE);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_EPDG_TUNNEL_ESTABLISH_FAILURE,

                PreciseDisconnectCause.EPDG_TUNNEL_ESTABLISH_FAILURE);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_EPDG_TUNNEL_REKEY_FAILURE,

                PreciseDisconnectCause.EPDG_TUNNEL_REKEY_FAILURE);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_EPDG_TUNNEL_LOST_CONNECTION,

                PreciseDisconnectCause.EPDG_TUNNEL_LOST_CONNECTION);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MAXIMUM_NUMBER_OF_CALLS_REACHED,

                PreciseDisconnectCause.MAXIMUM_NUMBER_OF_CALLS_REACHED);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_REMOTE_CALL_DECLINE,

                PreciseDisconnectCause.REMOTE_CALL_DECLINE);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_DATA_LIMIT_REACHED,

                PreciseDisconnectCause.DATA_LIMIT_REACHED);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_DATA_DISABLED,

                PreciseDisconnectCause.DATA_DISABLED);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_WIFI_LOST,

                PreciseDisconnectCause.WIFI_LOST);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_OFF,

                PreciseDisconnectCause.RADIO_OFF);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_NO_VALID_SIM,

                PreciseDisconnectCause.NO_VALID_SIM);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_INTERNAL_ERROR,

                PreciseDisconnectCause.RADIO_INTERNAL_ERROR);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_NETWORK_RESP_TIMEOUT,

                PreciseDisconnectCause.NETWORK_RESP_TIMEOUT);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_NETWORK_REJECT,

                PreciseDisconnectCause.NETWORK_REJECT);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_ACCESS_FAILURE,

                PreciseDisconnectCause.RADIO_ACCESS_FAILURE);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_LINK_FAILURE,

                PreciseDisconnectCause.RADIO_LINK_FAILURE);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_LINK_LOST,

                PreciseDisconnectCause.RADIO_LINK_LOST);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_UPLINK_FAILURE,

                PreciseDisconnectCause.RADIO_UPLINK_FAILURE);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_SETUP_FAILURE,

                PreciseDisconnectCause.RADIO_SETUP_FAILURE);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_RELEASE_NORMAL,

                PreciseDisconnectCause.RADIO_RELEASE_NORMAL);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_RELEASE_ABNORMAL,

                PreciseDisconnectCause.RADIO_RELEASE_ABNORMAL);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_ACCESS_CLASS_BLOCKED,

                PreciseDisconnectCause.ACCESS_CLASS_BLOCKED);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_NETWORK_DETACH,

                PreciseDisconnectCause.NETWORK_DETACH);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_1,

                PreciseDisconnectCause.OEM_CAUSE_1);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_2,

                PreciseDisconnectCause.OEM_CAUSE_2);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_3,

                PreciseDisconnectCause.OEM_CAUSE_3);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_4,

                PreciseDisconnectCause.OEM_CAUSE_4);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_5,

                PreciseDisconnectCause.OEM_CAUSE_5);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_6,

                PreciseDisconnectCause.OEM_CAUSE_6);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_7,

                PreciseDisconnectCause.OEM_CAUSE_7);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_8,

                PreciseDisconnectCause.OEM_CAUSE_8);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_9,

                PreciseDisconnectCause.OEM_CAUSE_9);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_10,

                PreciseDisconnectCause.OEM_CAUSE_10);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_11,

                PreciseDisconnectCause.OEM_CAUSE_11);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_12,

                PreciseDisconnectCause.OEM_CAUSE_12);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_13,

                PreciseDisconnectCause.OEM_CAUSE_13);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_14,

                PreciseDisconnectCause.OEM_CAUSE_14);

        PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_15,

                PreciseDisconnectCause.OEM_CAUSE_15);

    }



    /**

     * Carrier configuration option which determines whether the carrier wants to inform the user

     * when a video call is handed over from WIFI to LTE.
@@ -1495,6 +1722,11 @@ public class ImsPhoneCallTracker extends CallTracker implements ImsPullCall { 
        return cause;

    }



    private int getPreciseDisconnectCauseFromReasonInfo(ImsReasonInfo reasonInfo) {

        return PRECISE_CAUSE_MAP.get(maybeRemapReasonCode(reasonInfo),

                PreciseDisconnectCause.ERROR_UNSPECIFIED);

    }



    /**

     * @return true if the phone is in Emergency Callback mode, otherwise false

     */
@@ -1606,6 +1838,13 @@ public class ImsPhoneCallTracker extends CallTracker implements ImsPullCall { 
                } else {

                    mPendingMO = null;

                    int cause = getDisconnectCauseFromReasonInfo(reasonInfo);

                    ImsPhoneConnection conn = findConnection(imsCall);



                    if(conn != null) {

                        conn.setPreciseDisconnectCause(

                                getPreciseDisconnectCauseFromReasonInfo(reasonInfo));

                    }



                    processCallStateChange(imsCall, ImsPhoneCall.State.DISCONNECTED, cause);

                }

                mMetrics.writeOnImsCallStartFailed(mPhone.getPhoneId(), imsCall.getCallSession(),
@@ -1675,6 +1914,10 @@ public class ImsPhoneCallTracker extends CallTracker implements ImsPullCall { 
            mMetrics.writeOnImsCallTerminated(mPhone.getPhoneId(), imsCall.getCallSession(),

                    reasonInfo);



            if(conn != null) {

                conn.setPreciseDisconnectCause(getPreciseDisconnectCauseFromReasonInfo(reasonInfo));

            }



            processCallStateChange(imsCall, ImsPhoneCall.State.DISCONNECTED, cause);

            if (mForegroundCall.getState() != ImsPhoneCall.State.ACTIVE) {

                if (mRingingCall.getState().isRinging()) {

src/java/com/android/internal/telephony/imsphone/ImsPhoneConnection.java

+7 −1
Original line number Diff line number Diff line
@@ -111,6 +111,8 @@ public class ImsPhoneConnection extends Connection implements 
     */

    private boolean mIsWifiStateFromExtras = false;



    private int mPreciseDisconnectCause = 0;



    //***** Event Constants

    private static final int EVENT_DTMF_DONE = 1;

    private static final int EVENT_PAUSE_DONE = 2;
@@ -706,7 +708,11 @@ public class ImsPhoneConnection extends Connection implements 


    @Override

    public int getPreciseDisconnectCause() {

        return 0;

        return mPreciseDisconnectCause;

    }



    public void setPreciseDisconnectCause(int cause) {

        mPreciseDisconnectCause = cause;

    }



    /**