diff --git a/api/current.txt b/api/current.txt
index de008f7f2b2f8..79656d215e8f8 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -45613,6 +45613,193 @@ package android.telephony.gsm {
 
 }
 
+package android.telephony.ims {
+
+  public final class ImsReasonInfo implements android.os.Parcelable {
+    ctor public ImsReasonInfo(int, int, @Nullable String);
+    method public int describeContents();
+    method public int getCode();
+    method public int getExtraCode();
+    method @Nullable public String getExtraMessage();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field public static final int CODE_ACCESS_CLASS_BLOCKED = 1512; // 0x5e8
+    field public static final int CODE_ANSWERED_ELSEWHERE = 1014; // 0x3f6
+    field public static final int CODE_BLACKLISTED_CALL_ID = 506; // 0x1fa
+    field public static final int CODE_CALL_BARRED = 240; // 0xf0
+    field public static final int CODE_CALL_DROP_IWLAN_TO_LTE_UNAVAILABLE = 1100; // 0x44c
+    field public static final int CODE_CALL_END_CAUSE_CALL_PULL = 1016; // 0x3f8
+    field public static final int CODE_CALL_PULL_OUT_OF_SYNC = 1015; // 0x3f7
+    field public static final int CODE_DATA_DISABLED = 1406; // 0x57e
+    field public static final int CODE_DATA_LIMIT_REACHED = 1405; // 0x57d
+    field public static final int CODE_DIAL_MODIFIED_TO_DIAL = 246; // 0xf6
+    field public static final int CODE_DIAL_MODIFIED_TO_DIAL_VIDEO = 247; // 0xf7
+    field public static final int CODE_DIAL_MODIFIED_TO_SS = 245; // 0xf5
+    field public static final int CODE_DIAL_MODIFIED_TO_USSD = 244; // 0xf4
+    field public static final int CODE_DIAL_VIDEO_MODIFIED_TO_DIAL = 248; // 0xf8
+    field public static final int CODE_DIAL_VIDEO_MODIFIED_TO_DIAL_VIDEO = 249; // 0xf9
+    field public static final int CODE_DIAL_VIDEO_MODIFIED_TO_SS = 250; // 0xfa
+    field public static final int CODE_DIAL_VIDEO_MODIFIED_TO_USSD = 251; // 0xfb
+    field public static final int CODE_ECBM_NOT_SUPPORTED = 901; // 0x385
+    field public static final int CODE_EMERGENCY_PERM_FAILURE = 364; // 0x16c
+    field public static final int CODE_EMERGENCY_TEMP_FAILURE = 363; // 0x16b
+    field public static final int CODE_EPDG_TUNNEL_ESTABLISH_FAILURE = 1400; // 0x578
+    field public static final int CODE_EPDG_TUNNEL_LOST_CONNECTION = 1402; // 0x57a
+    field public static final int CODE_EPDG_TUNNEL_REKEY_FAILURE = 1401; // 0x579
+    field public static final int CODE_FDN_BLOCKED = 241; // 0xf1
+    field public static final int CODE_IKEV2_AUTH_FAILURE = 1408; // 0x580
+    field public static final int CODE_IMEI_NOT_ACCEPTED = 243; // 0xf3
+    field public static final int CODE_IWLAN_DPD_FAILURE = 1300; // 0x514
+    field public static final int CODE_LOCAL_CALL_BUSY = 142; // 0x8e
+    field public static final int CODE_LOCAL_CALL_CS_RETRY_REQUIRED = 146; // 0x92
+    field public static final int CODE_LOCAL_CALL_DECLINE = 143; // 0x8f
+    field public static final int CODE_LOCAL_CALL_EXCEEDED = 141; // 0x8d
+    field public static final int CODE_LOCAL_CALL_RESOURCE_RESERVATION_FAILED = 145; // 0x91
+    field public static final int CODE_LOCAL_CALL_TERMINATED = 148; // 0x94
+    field public static final int CODE_LOCAL_CALL_VCC_ON_PROGRESSING = 144; // 0x90
+    field public static final int CODE_LOCAL_CALL_VOLTE_RETRY_REQUIRED = 147; // 0x93
+    field public static final int CODE_LOCAL_ENDED_BY_CONFERENCE_MERGE = 108; // 0x6c
+    field public static final int CODE_LOCAL_HO_NOT_FEASIBLE = 149; // 0x95
+    field public static final int CODE_LOCAL_ILLEGAL_ARGUMENT = 101; // 0x65
+    field public static final int CODE_LOCAL_ILLEGAL_STATE = 102; // 0x66
+    field public static final int CODE_LOCAL_IMS_SERVICE_DOWN = 106; // 0x6a
+    field public static final int CODE_LOCAL_INTERNAL_ERROR = 103; // 0x67
+    field public static final int CODE_LOCAL_LOW_BATTERY = 112; // 0x70
+    field public static final int CODE_LOCAL_NETWORK_IP_CHANGED = 124; // 0x7c
+    field public static final int CODE_LOCAL_NETWORK_NO_LTE_COVERAGE = 122; // 0x7a
+    field public static final int CODE_LOCAL_NETWORK_NO_SERVICE = 121; // 0x79
+    field public static final int CODE_LOCAL_NETWORK_ROAMING = 123; // 0x7b
+    field public static final int CODE_LOCAL_NOT_REGISTERED = 132; // 0x84
+    field public static final int CODE_LOCAL_NO_PENDING_CALL = 107; // 0x6b
+    field public static final int CODE_LOCAL_POWER_OFF = 111; // 0x6f
+    field public static final int CODE_LOCAL_SERVICE_UNAVAILABLE = 131; // 0x83
+    field public static final int CODE_LOW_BATTERY = 505; // 0x1f9
+    field public static final int CODE_MAXIMUM_NUMBER_OF_CALLS_REACHED = 1403; // 0x57b
+    field public static final int CODE_MEDIA_INIT_FAILED = 401; // 0x191
+    field public static final int CODE_MEDIA_NOT_ACCEPTABLE = 403; // 0x193
+    field public static final int CODE_MEDIA_NO_DATA = 402; // 0x192
+    field public static final int CODE_MEDIA_UNSPECIFIED = 404; // 0x194
+    field public static final int CODE_MULTIENDPOINT_NOT_SUPPORTED = 902; // 0x386
+    field public static final int CODE_NETWORK_DETACH = 1513; // 0x5e9
+    field public static final int CODE_NETWORK_REJECT = 1504; // 0x5e0
+    field public static final int CODE_NETWORK_RESP_TIMEOUT = 1503; // 0x5df
+    field public static final int CODE_NO_CSFB_IN_CS_ROAM = 1516; // 0x5ec
+    field public static final int CODE_NO_VALID_SIM = 1501; // 0x5dd
+    field public static final int CODE_OEM_CAUSE_1 = 61441; // 0xf001
+    field public static final int CODE_OEM_CAUSE_10 = 61450; // 0xf00a
+    field public static final int CODE_OEM_CAUSE_11 = 61451; // 0xf00b
+    field public static final int CODE_OEM_CAUSE_12 = 61452; // 0xf00c
+    field public static final int CODE_OEM_CAUSE_13 = 61453; // 0xf00d
+    field public static final int CODE_OEM_CAUSE_14 = 61454; // 0xf00e
+    field public static final int CODE_OEM_CAUSE_15 = 61455; // 0xf00f
+    field public static final int CODE_OEM_CAUSE_2 = 61442; // 0xf002
+    field public static final int CODE_OEM_CAUSE_3 = 61443; // 0xf003
+    field public static final int CODE_OEM_CAUSE_4 = 61444; // 0xf004
+    field public static final int CODE_OEM_CAUSE_5 = 61445; // 0xf005
+    field public static final int CODE_OEM_CAUSE_6 = 61446; // 0xf006
+    field public static final int CODE_OEM_CAUSE_7 = 61447; // 0xf007
+    field public static final int CODE_OEM_CAUSE_8 = 61448; // 0xf008
+    field public static final int CODE_OEM_CAUSE_9 = 61449; // 0xf009
+    field public static final int CODE_RADIO_ACCESS_FAILURE = 1505; // 0x5e1
+    field public static final int CODE_RADIO_INTERNAL_ERROR = 1502; // 0x5de
+    field public static final int CODE_RADIO_LINK_FAILURE = 1506; // 0x5e2
+    field public static final int CODE_RADIO_LINK_LOST = 1507; // 0x5e3
+    field public static final int CODE_RADIO_OFF = 1500; // 0x5dc
+    field public static final int CODE_RADIO_RELEASE_ABNORMAL = 1511; // 0x5e7
+    field public static final int CODE_RADIO_RELEASE_NORMAL = 1510; // 0x5e6
+    field public static final int CODE_RADIO_SETUP_FAILURE = 1509; // 0x5e5
+    field public static final int CODE_RADIO_UPLINK_FAILURE = 1508; // 0x5e4
+    field public static final int CODE_REGISTRATION_ERROR = 1000; // 0x3e8
+    field public static final int CODE_REJECTED_ELSEWHERE = 1017; // 0x3f9
+    field public static final int CODE_REJECT_1X_COLLISION = 1603; // 0x643
+    field public static final int CODE_REJECT_CALL_ON_OTHER_SUB = 1602; // 0x642
+    field public static final int CODE_REJECT_CALL_TYPE_NOT_ALLOWED = 1605; // 0x645
+    field public static final int CODE_REJECT_CONFERENCE_TTY_NOT_ALLOWED = 1617; // 0x651
+    field public static final int CODE_REJECT_INTERNAL_ERROR = 1612; // 0x64c
+    field public static final int CODE_REJECT_MAX_CALL_LIMIT_REACHED = 1608; // 0x648
+    field public static final int CODE_REJECT_ONGOING_CALL_SETUP = 1607; // 0x647
+    field public static final int CODE_REJECT_ONGOING_CALL_TRANSFER = 1611; // 0x64b
+    field public static final int CODE_REJECT_ONGOING_CALL_UPGRADE = 1616; // 0x650
+    field public static final int CODE_REJECT_ONGOING_CALL_WAITING_DISABLED = 1601; // 0x641
+    field public static final int CODE_REJECT_ONGOING_CONFERENCE_CALL = 1618; // 0x652
+    field public static final int CODE_REJECT_ONGOING_CS_CALL = 1621; // 0x655
+    field public static final int CODE_REJECT_ONGOING_E911_CALL = 1606; // 0x646
+    field public static final int CODE_REJECT_ONGOING_ENCRYPTED_CALL = 1620; // 0x654
+    field public static final int CODE_REJECT_ONGOING_HANDOVER = 1614; // 0x64e
+    field public static final int CODE_REJECT_QOS_FAILURE = 1613; // 0x64d
+    field public static final int CODE_REJECT_SERVICE_NOT_REGISTERED = 1604; // 0x644
+    field public static final int CODE_REJECT_UNKNOWN = 1600; // 0x640
+    field public static final int CODE_REJECT_UNSUPPORTED_SDP_HEADERS = 1610; // 0x64a
+    field public static final int CODE_REJECT_UNSUPPORTED_SIP_HEADERS = 1609; // 0x649
+    field public static final int CODE_REJECT_VT_AVPF_NOT_ALLOWED = 1619; // 0x653
+    field public static final int CODE_REJECT_VT_TTY_NOT_ALLOWED = 1615; // 0x64f
+    field public static final int CODE_REMOTE_CALL_DECLINE = 1404; // 0x57c
+    field public static final int CODE_SESSION_MODIFICATION_FAILED = 1517; // 0x5ed
+    field public static final int CODE_SIP_ALTERNATE_EMERGENCY_CALL = 1514; // 0x5ea
+    field public static final int CODE_SIP_AMBIGUOUS = 376; // 0x178
+    field public static final int CODE_SIP_BAD_ADDRESS = 337; // 0x151
+    field public static final int CODE_SIP_BAD_REQUEST = 331; // 0x14b
+    field public static final int CODE_SIP_BUSY = 338; // 0x152
+    field public static final int CODE_SIP_CALL_OR_TRANS_DOES_NOT_EXIST = 372; // 0x174
+    field public static final int CODE_SIP_CLIENT_ERROR = 342; // 0x156
+    field public static final int CODE_SIP_EXTENSION_REQUIRED = 370; // 0x172
+    field public static final int CODE_SIP_FORBIDDEN = 332; // 0x14c
+    field public static final int CODE_SIP_GLOBAL_ERROR = 362; // 0x16a
+    field public static final int CODE_SIP_INTERVAL_TOO_BRIEF = 371; // 0x173
+    field public static final int CODE_SIP_LOOP_DETECTED = 373; // 0x175
+    field public static final int CODE_SIP_METHOD_NOT_ALLOWED = 366; // 0x16e
+    field public static final int CODE_SIP_NOT_ACCEPTABLE = 340; // 0x154
+    field public static final int CODE_SIP_NOT_FOUND = 333; // 0x14d
+    field public static final int CODE_SIP_NOT_REACHABLE = 341; // 0x155
+    field public static final int CODE_SIP_NOT_SUPPORTED = 334; // 0x14e
+    field public static final int CODE_SIP_PROXY_AUTHENTICATION_REQUIRED = 367; // 0x16f
+    field public static final int CODE_SIP_REDIRECTED = 321; // 0x141
+    field public static final int CODE_SIP_REQUEST_CANCELLED = 339; // 0x153
+    field public static final int CODE_SIP_REQUEST_ENTITY_TOO_LARGE = 368; // 0x170
+    field public static final int CODE_SIP_REQUEST_PENDING = 377; // 0x179
+    field public static final int CODE_SIP_REQUEST_TIMEOUT = 335; // 0x14f
+    field public static final int CODE_SIP_REQUEST_URI_TOO_LARGE = 369; // 0x171
+    field public static final int CODE_SIP_SERVER_ERROR = 354; // 0x162
+    field public static final int CODE_SIP_SERVER_INTERNAL_ERROR = 351; // 0x15f
+    field public static final int CODE_SIP_SERVER_TIMEOUT = 353; // 0x161
+    field public static final int CODE_SIP_SERVICE_UNAVAILABLE = 352; // 0x160
+    field public static final int CODE_SIP_TEMPRARILY_UNAVAILABLE = 336; // 0x150
+    field public static final int CODE_SIP_TOO_MANY_HOPS = 374; // 0x176
+    field public static final int CODE_SIP_TRANSACTION_DOES_NOT_EXIST = 343; // 0x157
+    field public static final int CODE_SIP_UNDECIPHERABLE = 378; // 0x17a
+    field public static final int CODE_SIP_USER_MARKED_UNWANTED = 365; // 0x16d
+    field public static final int CODE_SIP_USER_REJECTED = 361; // 0x169
+    field public static final int CODE_SUPP_SVC_CANCELLED = 1202; // 0x4b2
+    field public static final int CODE_SUPP_SVC_FAILED = 1201; // 0x4b1
+    field public static final int CODE_SUPP_SVC_REINVITE_COLLISION = 1203; // 0x4b3
+    field public static final int CODE_TIMEOUT_1XX_WAITING = 201; // 0xc9
+    field public static final int CODE_TIMEOUT_NO_ANSWER = 202; // 0xca
+    field public static final int CODE_TIMEOUT_NO_ANSWER_CALL_UPDATE = 203; // 0xcb
+    field public static final int CODE_UNSPECIFIED = 0; // 0x0
+    field public static final int CODE_USER_CANCELLED_SESSION_MODIFICATION = 512; // 0x200
+    field public static final int CODE_USER_DECLINE = 504; // 0x1f8
+    field public static final int CODE_USER_IGNORE = 503; // 0x1f7
+    field public static final int CODE_USER_NOANSWER = 502; // 0x1f6
+    field public static final int CODE_USER_REJECTED_SESSION_MODIFICATION = 511; // 0x1ff
+    field public static final int CODE_USER_TERMINATED = 501; // 0x1f5
+    field public static final int CODE_USER_TERMINATED_BY_REMOTE = 510; // 0x1fe
+    field public static final int CODE_UT_CB_PASSWORD_MISMATCH = 821; // 0x335
+    field public static final int CODE_UT_NETWORK_ERROR = 804; // 0x324
+    field public static final int CODE_UT_NOT_SUPPORTED = 801; // 0x321
+    field public static final int CODE_UT_OPERATION_NOT_ALLOWED = 803; // 0x323
+    field public static final int CODE_UT_SERVICE_UNAVAILABLE = 802; // 0x322
+    field public static final int CODE_UT_SS_MODIFIED_TO_DIAL = 822; // 0x336
+    field public static final int CODE_UT_SS_MODIFIED_TO_DIAL_VIDEO = 825; // 0x339
+    field public static final int CODE_UT_SS_MODIFIED_TO_SS = 824; // 0x338
+    field public static final int CODE_UT_SS_MODIFIED_TO_USSD = 823; // 0x337
+    field public static final int CODE_WIFI_LOST = 1407; // 0x57f
+    field @NonNull public static final android.os.Parcelable.Creator<android.telephony.ims.ImsReasonInfo> CREATOR;
+    field public static final int EXTRA_CODE_CALL_RETRY_BY_SETTINGS = 3; // 0x3
+    field public static final int EXTRA_CODE_CALL_RETRY_NORMAL = 1; // 0x1
+    field public static final int EXTRA_CODE_CALL_RETRY_SILENT_REDIAL = 2; // 0x2
+  }
+
+}
+
 package android.telephony.mbms {
 
   public class DownloadProgressListener {
diff --git a/api/system-current.txt b/api/system-current.txt
index 3116e262a522f..bc5500d103303 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -9350,186 +9350,6 @@ package android.telephony.ims {
   }
 
   public final class ImsReasonInfo implements android.os.Parcelable {
-    ctor public ImsReasonInfo(int, int, String);
-    method public int describeContents();
-    method public int getCode();
-    method public int getExtraCode();
-    method public String getExtraMessage();
-    method public void writeToParcel(android.os.Parcel, int);
-    field public static final int CODE_ACCESS_CLASS_BLOCKED = 1512; // 0x5e8
-    field public static final int CODE_ANSWERED_ELSEWHERE = 1014; // 0x3f6
-    field public static final int CODE_BLACKLISTED_CALL_ID = 506; // 0x1fa
-    field public static final int CODE_CALL_BARRED = 240; // 0xf0
-    field public static final int CODE_CALL_DROP_IWLAN_TO_LTE_UNAVAILABLE = 1100; // 0x44c
-    field public static final int CODE_CALL_END_CAUSE_CALL_PULL = 1016; // 0x3f8
-    field public static final int CODE_CALL_PULL_OUT_OF_SYNC = 1015; // 0x3f7
-    field public static final int CODE_DATA_DISABLED = 1406; // 0x57e
-    field public static final int CODE_DATA_LIMIT_REACHED = 1405; // 0x57d
-    field public static final int CODE_DIAL_MODIFIED_TO_DIAL = 246; // 0xf6
-    field public static final int CODE_DIAL_MODIFIED_TO_DIAL_VIDEO = 247; // 0xf7
-    field public static final int CODE_DIAL_MODIFIED_TO_SS = 245; // 0xf5
-    field public static final int CODE_DIAL_MODIFIED_TO_USSD = 244; // 0xf4
-    field public static final int CODE_DIAL_VIDEO_MODIFIED_TO_DIAL = 248; // 0xf8
-    field public static final int CODE_DIAL_VIDEO_MODIFIED_TO_DIAL_VIDEO = 249; // 0xf9
-    field public static final int CODE_DIAL_VIDEO_MODIFIED_TO_SS = 250; // 0xfa
-    field public static final int CODE_DIAL_VIDEO_MODIFIED_TO_USSD = 251; // 0xfb
-    field public static final int CODE_ECBM_NOT_SUPPORTED = 901; // 0x385
-    field public static final int CODE_EMERGENCY_PERM_FAILURE = 364; // 0x16c
-    field public static final int CODE_EMERGENCY_TEMP_FAILURE = 363; // 0x16b
-    field public static final int CODE_EPDG_TUNNEL_ESTABLISH_FAILURE = 1400; // 0x578
-    field public static final int CODE_EPDG_TUNNEL_LOST_CONNECTION = 1402; // 0x57a
-    field public static final int CODE_EPDG_TUNNEL_REKEY_FAILURE = 1401; // 0x579
-    field public static final int CODE_FDN_BLOCKED = 241; // 0xf1
-    field public static final int CODE_IKEV2_AUTH_FAILURE = 1408; // 0x580
-    field public static final int CODE_IMEI_NOT_ACCEPTED = 243; // 0xf3
-    field public static final int CODE_IWLAN_DPD_FAILURE = 1300; // 0x514
-    field public static final int CODE_LOCAL_CALL_BUSY = 142; // 0x8e
-    field public static final int CODE_LOCAL_CALL_CS_RETRY_REQUIRED = 146; // 0x92
-    field public static final int CODE_LOCAL_CALL_DECLINE = 143; // 0x8f
-    field public static final int CODE_LOCAL_CALL_EXCEEDED = 141; // 0x8d
-    field public static final int CODE_LOCAL_CALL_RESOURCE_RESERVATION_FAILED = 145; // 0x91
-    field public static final int CODE_LOCAL_CALL_TERMINATED = 148; // 0x94
-    field public static final int CODE_LOCAL_CALL_VCC_ON_PROGRESSING = 144; // 0x90
-    field public static final int CODE_LOCAL_CALL_VOLTE_RETRY_REQUIRED = 147; // 0x93
-    field public static final int CODE_LOCAL_ENDED_BY_CONFERENCE_MERGE = 108; // 0x6c
-    field public static final int CODE_LOCAL_HO_NOT_FEASIBLE = 149; // 0x95
-    field public static final int CODE_LOCAL_ILLEGAL_ARGUMENT = 101; // 0x65
-    field public static final int CODE_LOCAL_ILLEGAL_STATE = 102; // 0x66
-    field public static final int CODE_LOCAL_IMS_SERVICE_DOWN = 106; // 0x6a
-    field public static final int CODE_LOCAL_INTERNAL_ERROR = 103; // 0x67
-    field public static final int CODE_LOCAL_LOW_BATTERY = 112; // 0x70
-    field public static final int CODE_LOCAL_NETWORK_IP_CHANGED = 124; // 0x7c
-    field public static final int CODE_LOCAL_NETWORK_NO_LTE_COVERAGE = 122; // 0x7a
-    field public static final int CODE_LOCAL_NETWORK_NO_SERVICE = 121; // 0x79
-    field public static final int CODE_LOCAL_NETWORK_ROAMING = 123; // 0x7b
-    field public static final int CODE_LOCAL_NOT_REGISTERED = 132; // 0x84
-    field public static final int CODE_LOCAL_NO_PENDING_CALL = 107; // 0x6b
-    field public static final int CODE_LOCAL_POWER_OFF = 111; // 0x6f
-    field public static final int CODE_LOCAL_SERVICE_UNAVAILABLE = 131; // 0x83
-    field public static final int CODE_LOW_BATTERY = 505; // 0x1f9
-    field public static final int CODE_MAXIMUM_NUMBER_OF_CALLS_REACHED = 1403; // 0x57b
-    field public static final int CODE_MEDIA_INIT_FAILED = 401; // 0x191
-    field public static final int CODE_MEDIA_NOT_ACCEPTABLE = 403; // 0x193
-    field public static final int CODE_MEDIA_NO_DATA = 402; // 0x192
-    field public static final int CODE_MEDIA_UNSPECIFIED = 404; // 0x194
-    field public static final int CODE_MULTIENDPOINT_NOT_SUPPORTED = 902; // 0x386
-    field public static final int CODE_NETWORK_DETACH = 1513; // 0x5e9
-    field public static final int CODE_NETWORK_REJECT = 1504; // 0x5e0
-    field public static final int CODE_NETWORK_RESP_TIMEOUT = 1503; // 0x5df
-    field public static final int CODE_NO_CSFB_IN_CS_ROAM = 1516; // 0x5ec
-    field public static final int CODE_NO_VALID_SIM = 1501; // 0x5dd
-    field public static final int CODE_OEM_CAUSE_1 = 61441; // 0xf001
-    field public static final int CODE_OEM_CAUSE_10 = 61450; // 0xf00a
-    field public static final int CODE_OEM_CAUSE_11 = 61451; // 0xf00b
-    field public static final int CODE_OEM_CAUSE_12 = 61452; // 0xf00c
-    field public static final int CODE_OEM_CAUSE_13 = 61453; // 0xf00d
-    field public static final int CODE_OEM_CAUSE_14 = 61454; // 0xf00e
-    field public static final int CODE_OEM_CAUSE_15 = 61455; // 0xf00f
-    field public static final int CODE_OEM_CAUSE_2 = 61442; // 0xf002
-    field public static final int CODE_OEM_CAUSE_3 = 61443; // 0xf003
-    field public static final int CODE_OEM_CAUSE_4 = 61444; // 0xf004
-    field public static final int CODE_OEM_CAUSE_5 = 61445; // 0xf005
-    field public static final int CODE_OEM_CAUSE_6 = 61446; // 0xf006
-    field public static final int CODE_OEM_CAUSE_7 = 61447; // 0xf007
-    field public static final int CODE_OEM_CAUSE_8 = 61448; // 0xf008
-    field public static final int CODE_OEM_CAUSE_9 = 61449; // 0xf009
-    field public static final int CODE_RADIO_ACCESS_FAILURE = 1505; // 0x5e1
-    field public static final int CODE_RADIO_INTERNAL_ERROR = 1502; // 0x5de
-    field public static final int CODE_RADIO_LINK_FAILURE = 1506; // 0x5e2
-    field public static final int CODE_RADIO_LINK_LOST = 1507; // 0x5e3
-    field public static final int CODE_RADIO_OFF = 1500; // 0x5dc
-    field public static final int CODE_RADIO_RELEASE_ABNORMAL = 1511; // 0x5e7
-    field public static final int CODE_RADIO_RELEASE_NORMAL = 1510; // 0x5e6
-    field public static final int CODE_RADIO_SETUP_FAILURE = 1509; // 0x5e5
-    field public static final int CODE_RADIO_UPLINK_FAILURE = 1508; // 0x5e4
-    field public static final int CODE_REGISTRATION_ERROR = 1000; // 0x3e8
-    field public static final int CODE_REJECTED_ELSEWHERE = 1017; // 0x3f9
-    field public static final int CODE_REJECT_1X_COLLISION = 1603; // 0x643
-    field public static final int CODE_REJECT_CALL_ON_OTHER_SUB = 1602; // 0x642
-    field public static final int CODE_REJECT_CALL_TYPE_NOT_ALLOWED = 1605; // 0x645
-    field public static final int CODE_REJECT_CONFERENCE_TTY_NOT_ALLOWED = 1617; // 0x651
-    field public static final int CODE_REJECT_INTERNAL_ERROR = 1612; // 0x64c
-    field public static final int CODE_REJECT_MAX_CALL_LIMIT_REACHED = 1608; // 0x648
-    field public static final int CODE_REJECT_ONGOING_CALL_SETUP = 1607; // 0x647
-    field public static final int CODE_REJECT_ONGOING_CALL_TRANSFER = 1611; // 0x64b
-    field public static final int CODE_REJECT_ONGOING_CALL_UPGRADE = 1616; // 0x650
-    field public static final int CODE_REJECT_ONGOING_CALL_WAITING_DISABLED = 1601; // 0x641
-    field public static final int CODE_REJECT_ONGOING_CONFERENCE_CALL = 1618; // 0x652
-    field public static final int CODE_REJECT_ONGOING_CS_CALL = 1621; // 0x655
-    field public static final int CODE_REJECT_ONGOING_E911_CALL = 1606; // 0x646
-    field public static final int CODE_REJECT_ONGOING_ENCRYPTED_CALL = 1620; // 0x654
-    field public static final int CODE_REJECT_ONGOING_HANDOVER = 1614; // 0x64e
-    field public static final int CODE_REJECT_QOS_FAILURE = 1613; // 0x64d
-    field public static final int CODE_REJECT_SERVICE_NOT_REGISTERED = 1604; // 0x644
-    field public static final int CODE_REJECT_UNKNOWN = 1600; // 0x640
-    field public static final int CODE_REJECT_UNSUPPORTED_SDP_HEADERS = 1610; // 0x64a
-    field public static final int CODE_REJECT_UNSUPPORTED_SIP_HEADERS = 1609; // 0x649
-    field public static final int CODE_REJECT_VT_AVPF_NOT_ALLOWED = 1619; // 0x653
-    field public static final int CODE_REJECT_VT_TTY_NOT_ALLOWED = 1615; // 0x64f
-    field public static final int CODE_REMOTE_CALL_DECLINE = 1404; // 0x57c
-    field public static final int CODE_SESSION_MODIFICATION_FAILED = 1517; // 0x5ed
-    field public static final int CODE_SIP_ALTERNATE_EMERGENCY_CALL = 1514; // 0x5ea
-    field public static final int CODE_SIP_AMBIGUOUS = 376; // 0x178
-    field public static final int CODE_SIP_BAD_ADDRESS = 337; // 0x151
-    field public static final int CODE_SIP_BAD_REQUEST = 331; // 0x14b
-    field public static final int CODE_SIP_BUSY = 338; // 0x152
-    field public static final int CODE_SIP_CALL_OR_TRANS_DOES_NOT_EXIST = 372; // 0x174
-    field public static final int CODE_SIP_CLIENT_ERROR = 342; // 0x156
-    field public static final int CODE_SIP_EXTENSION_REQUIRED = 370; // 0x172
-    field public static final int CODE_SIP_FORBIDDEN = 332; // 0x14c
-    field public static final int CODE_SIP_GLOBAL_ERROR = 362; // 0x16a
-    field public static final int CODE_SIP_INTERVAL_TOO_BRIEF = 371; // 0x173
-    field public static final int CODE_SIP_LOOP_DETECTED = 373; // 0x175
-    field public static final int CODE_SIP_METHOD_NOT_ALLOWED = 366; // 0x16e
-    field public static final int CODE_SIP_NOT_ACCEPTABLE = 340; // 0x154
-    field public static final int CODE_SIP_NOT_FOUND = 333; // 0x14d
-    field public static final int CODE_SIP_NOT_REACHABLE = 341; // 0x155
-    field public static final int CODE_SIP_NOT_SUPPORTED = 334; // 0x14e
-    field public static final int CODE_SIP_PROXY_AUTHENTICATION_REQUIRED = 367; // 0x16f
-    field public static final int CODE_SIP_REDIRECTED = 321; // 0x141
-    field public static final int CODE_SIP_REQUEST_CANCELLED = 339; // 0x153
-    field public static final int CODE_SIP_REQUEST_ENTITY_TOO_LARGE = 368; // 0x170
-    field public static final int CODE_SIP_REQUEST_PENDING = 377; // 0x179
-    field public static final int CODE_SIP_REQUEST_TIMEOUT = 335; // 0x14f
-    field public static final int CODE_SIP_REQUEST_URI_TOO_LARGE = 369; // 0x171
-    field public static final int CODE_SIP_SERVER_ERROR = 354; // 0x162
-    field public static final int CODE_SIP_SERVER_INTERNAL_ERROR = 351; // 0x15f
-    field public static final int CODE_SIP_SERVER_TIMEOUT = 353; // 0x161
-    field public static final int CODE_SIP_SERVICE_UNAVAILABLE = 352; // 0x160
-    field public static final int CODE_SIP_TEMPRARILY_UNAVAILABLE = 336; // 0x150
-    field public static final int CODE_SIP_TOO_MANY_HOPS = 374; // 0x176
-    field public static final int CODE_SIP_TRANSACTION_DOES_NOT_EXIST = 343; // 0x157
-    field public static final int CODE_SIP_UNDECIPHERABLE = 378; // 0x17a
-    field public static final int CODE_SIP_USER_MARKED_UNWANTED = 365; // 0x16d
-    field public static final int CODE_SIP_USER_REJECTED = 361; // 0x169
-    field public static final int CODE_SUPP_SVC_CANCELLED = 1202; // 0x4b2
-    field public static final int CODE_SUPP_SVC_FAILED = 1201; // 0x4b1
-    field public static final int CODE_SUPP_SVC_REINVITE_COLLISION = 1203; // 0x4b3
-    field public static final int CODE_TIMEOUT_1XX_WAITING = 201; // 0xc9
-    field public static final int CODE_TIMEOUT_NO_ANSWER = 202; // 0xca
-    field public static final int CODE_TIMEOUT_NO_ANSWER_CALL_UPDATE = 203; // 0xcb
-    field public static final int CODE_UNSPECIFIED = 0; // 0x0
-    field public static final int CODE_USER_CANCELLED_SESSION_MODIFICATION = 512; // 0x200
-    field public static final int CODE_USER_DECLINE = 504; // 0x1f8
-    field public static final int CODE_USER_IGNORE = 503; // 0x1f7
-    field public static final int CODE_USER_NOANSWER = 502; // 0x1f6
-    field public static final int CODE_USER_REJECTED_SESSION_MODIFICATION = 511; // 0x1ff
-    field public static final int CODE_USER_TERMINATED = 501; // 0x1f5
-    field public static final int CODE_USER_TERMINATED_BY_REMOTE = 510; // 0x1fe
-    field public static final int CODE_UT_CB_PASSWORD_MISMATCH = 821; // 0x335
-    field public static final int CODE_UT_NETWORK_ERROR = 804; // 0x324
-    field public static final int CODE_UT_NOT_SUPPORTED = 801; // 0x321
-    field public static final int CODE_UT_OPERATION_NOT_ALLOWED = 803; // 0x323
-    field public static final int CODE_UT_SERVICE_UNAVAILABLE = 802; // 0x322
-    field public static final int CODE_UT_SS_MODIFIED_TO_DIAL = 822; // 0x336
-    field public static final int CODE_UT_SS_MODIFIED_TO_DIAL_VIDEO = 825; // 0x339
-    field public static final int CODE_UT_SS_MODIFIED_TO_SS = 824; // 0x338
-    field public static final int CODE_UT_SS_MODIFIED_TO_USSD = 823; // 0x337
-    field public static final int CODE_WIFI_LOST = 1407; // 0x57f
-    field @NonNull public static final android.os.Parcelable.Creator<android.telephony.ims.ImsReasonInfo> CREATOR;
-    field public static final int EXTRA_CODE_CALL_RETRY_BY_SETTINGS = 3; // 0x3
-    field public static final int EXTRA_CODE_CALL_RETRY_NORMAL = 1; // 0x1
-    field public static final int EXTRA_CODE_CALL_RETRY_SILENT_REDIAL = 2; // 0x2
     field public static final String EXTRA_MSG_SERVICE_NOT_AUTHORIZED = "Forbidden. Not Authorized for Service";
   }
 
diff --git a/api/test-current.txt b/api/test-current.txt
index eb4fcdb79cc03..db0e96e640c51 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -3311,190 +3311,6 @@ package android.telephony.ims {
     ctor @Deprecated public ImsMmTelManager.RegistrationCallback();
   }
 
-  public final class ImsReasonInfo implements android.os.Parcelable {
-    ctor public ImsReasonInfo(int, int, String);
-    method public int describeContents();
-    method public int getCode();
-    method public int getExtraCode();
-    method public String getExtraMessage();
-    method public void writeToParcel(android.os.Parcel, int);
-    field public static final int CODE_ACCESS_CLASS_BLOCKED = 1512; // 0x5e8
-    field public static final int CODE_ANSWERED_ELSEWHERE = 1014; // 0x3f6
-    field public static final int CODE_BLACKLISTED_CALL_ID = 506; // 0x1fa
-    field public static final int CODE_CALL_BARRED = 240; // 0xf0
-    field public static final int CODE_CALL_DROP_IWLAN_TO_LTE_UNAVAILABLE = 1100; // 0x44c
-    field public static final int CODE_CALL_END_CAUSE_CALL_PULL = 1016; // 0x3f8
-    field public static final int CODE_CALL_PULL_OUT_OF_SYNC = 1015; // 0x3f7
-    field public static final int CODE_DATA_DISABLED = 1406; // 0x57e
-    field public static final int CODE_DATA_LIMIT_REACHED = 1405; // 0x57d
-    field public static final int CODE_DIAL_MODIFIED_TO_DIAL = 246; // 0xf6
-    field public static final int CODE_DIAL_MODIFIED_TO_DIAL_VIDEO = 247; // 0xf7
-    field public static final int CODE_DIAL_MODIFIED_TO_SS = 245; // 0xf5
-    field public static final int CODE_DIAL_MODIFIED_TO_USSD = 244; // 0xf4
-    field public static final int CODE_DIAL_VIDEO_MODIFIED_TO_DIAL = 248; // 0xf8
-    field public static final int CODE_DIAL_VIDEO_MODIFIED_TO_DIAL_VIDEO = 249; // 0xf9
-    field public static final int CODE_DIAL_VIDEO_MODIFIED_TO_SS = 250; // 0xfa
-    field public static final int CODE_DIAL_VIDEO_MODIFIED_TO_USSD = 251; // 0xfb
-    field public static final int CODE_ECBM_NOT_SUPPORTED = 901; // 0x385
-    field public static final int CODE_EMERGENCY_PERM_FAILURE = 364; // 0x16c
-    field public static final int CODE_EMERGENCY_TEMP_FAILURE = 363; // 0x16b
-    field public static final int CODE_EPDG_TUNNEL_ESTABLISH_FAILURE = 1400; // 0x578
-    field public static final int CODE_EPDG_TUNNEL_LOST_CONNECTION = 1402; // 0x57a
-    field public static final int CODE_EPDG_TUNNEL_REKEY_FAILURE = 1401; // 0x579
-    field public static final int CODE_FDN_BLOCKED = 241; // 0xf1
-    field public static final int CODE_IKEV2_AUTH_FAILURE = 1408; // 0x580
-    field public static final int CODE_IMEI_NOT_ACCEPTED = 243; // 0xf3
-    field public static final int CODE_IWLAN_DPD_FAILURE = 1300; // 0x514
-    field public static final int CODE_LOCAL_CALL_BUSY = 142; // 0x8e
-    field public static final int CODE_LOCAL_CALL_CS_RETRY_REQUIRED = 146; // 0x92
-    field public static final int CODE_LOCAL_CALL_DECLINE = 143; // 0x8f
-    field public static final int CODE_LOCAL_CALL_EXCEEDED = 141; // 0x8d
-    field public static final int CODE_LOCAL_CALL_RESOURCE_RESERVATION_FAILED = 145; // 0x91
-    field public static final int CODE_LOCAL_CALL_TERMINATED = 148; // 0x94
-    field public static final int CODE_LOCAL_CALL_VCC_ON_PROGRESSING = 144; // 0x90
-    field public static final int CODE_LOCAL_CALL_VOLTE_RETRY_REQUIRED = 147; // 0x93
-    field public static final int CODE_LOCAL_ENDED_BY_CONFERENCE_MERGE = 108; // 0x6c
-    field public static final int CODE_LOCAL_HO_NOT_FEASIBLE = 149; // 0x95
-    field public static final int CODE_LOCAL_ILLEGAL_ARGUMENT = 101; // 0x65
-    field public static final int CODE_LOCAL_ILLEGAL_STATE = 102; // 0x66
-    field public static final int CODE_LOCAL_IMS_SERVICE_DOWN = 106; // 0x6a
-    field public static final int CODE_LOCAL_INTERNAL_ERROR = 103; // 0x67
-    field public static final int CODE_LOCAL_LOW_BATTERY = 112; // 0x70
-    field public static final int CODE_LOCAL_NETWORK_IP_CHANGED = 124; // 0x7c
-    field public static final int CODE_LOCAL_NETWORK_NO_LTE_COVERAGE = 122; // 0x7a
-    field public static final int CODE_LOCAL_NETWORK_NO_SERVICE = 121; // 0x79
-    field public static final int CODE_LOCAL_NETWORK_ROAMING = 123; // 0x7b
-    field public static final int CODE_LOCAL_NOT_REGISTERED = 132; // 0x84
-    field public static final int CODE_LOCAL_NO_PENDING_CALL = 107; // 0x6b
-    field public static final int CODE_LOCAL_POWER_OFF = 111; // 0x6f
-    field public static final int CODE_LOCAL_SERVICE_UNAVAILABLE = 131; // 0x83
-    field public static final int CODE_LOW_BATTERY = 505; // 0x1f9
-    field public static final int CODE_MAXIMUM_NUMBER_OF_CALLS_REACHED = 1403; // 0x57b
-    field public static final int CODE_MEDIA_INIT_FAILED = 401; // 0x191
-    field public static final int CODE_MEDIA_NOT_ACCEPTABLE = 403; // 0x193
-    field public static final int CODE_MEDIA_NO_DATA = 402; // 0x192
-    field public static final int CODE_MEDIA_UNSPECIFIED = 404; // 0x194
-    field public static final int CODE_MULTIENDPOINT_NOT_SUPPORTED = 902; // 0x386
-    field public static final int CODE_NETWORK_DETACH = 1513; // 0x5e9
-    field public static final int CODE_NETWORK_REJECT = 1504; // 0x5e0
-    field public static final int CODE_NETWORK_RESP_TIMEOUT = 1503; // 0x5df
-    field public static final int CODE_NO_CSFB_IN_CS_ROAM = 1516; // 0x5ec
-    field public static final int CODE_NO_VALID_SIM = 1501; // 0x5dd
-    field public static final int CODE_OEM_CAUSE_1 = 61441; // 0xf001
-    field public static final int CODE_OEM_CAUSE_10 = 61450; // 0xf00a
-    field public static final int CODE_OEM_CAUSE_11 = 61451; // 0xf00b
-    field public static final int CODE_OEM_CAUSE_12 = 61452; // 0xf00c
-    field public static final int CODE_OEM_CAUSE_13 = 61453; // 0xf00d
-    field public static final int CODE_OEM_CAUSE_14 = 61454; // 0xf00e
-    field public static final int CODE_OEM_CAUSE_15 = 61455; // 0xf00f
-    field public static final int CODE_OEM_CAUSE_2 = 61442; // 0xf002
-    field public static final int CODE_OEM_CAUSE_3 = 61443; // 0xf003
-    field public static final int CODE_OEM_CAUSE_4 = 61444; // 0xf004
-    field public static final int CODE_OEM_CAUSE_5 = 61445; // 0xf005
-    field public static final int CODE_OEM_CAUSE_6 = 61446; // 0xf006
-    field public static final int CODE_OEM_CAUSE_7 = 61447; // 0xf007
-    field public static final int CODE_OEM_CAUSE_8 = 61448; // 0xf008
-    field public static final int CODE_OEM_CAUSE_9 = 61449; // 0xf009
-    field public static final int CODE_RADIO_ACCESS_FAILURE = 1505; // 0x5e1
-    field public static final int CODE_RADIO_INTERNAL_ERROR = 1502; // 0x5de
-    field public static final int CODE_RADIO_LINK_FAILURE = 1506; // 0x5e2
-    field public static final int CODE_RADIO_LINK_LOST = 1507; // 0x5e3
-    field public static final int CODE_RADIO_OFF = 1500; // 0x5dc
-    field public static final int CODE_RADIO_RELEASE_ABNORMAL = 1511; // 0x5e7
-    field public static final int CODE_RADIO_RELEASE_NORMAL = 1510; // 0x5e6
-    field public static final int CODE_RADIO_SETUP_FAILURE = 1509; // 0x5e5
-    field public static final int CODE_RADIO_UPLINK_FAILURE = 1508; // 0x5e4
-    field public static final int CODE_REGISTRATION_ERROR = 1000; // 0x3e8
-    field public static final int CODE_REJECTED_ELSEWHERE = 1017; // 0x3f9
-    field public static final int CODE_REJECT_1X_COLLISION = 1603; // 0x643
-    field public static final int CODE_REJECT_CALL_ON_OTHER_SUB = 1602; // 0x642
-    field public static final int CODE_REJECT_CALL_TYPE_NOT_ALLOWED = 1605; // 0x645
-    field public static final int CODE_REJECT_CONFERENCE_TTY_NOT_ALLOWED = 1617; // 0x651
-    field public static final int CODE_REJECT_INTERNAL_ERROR = 1612; // 0x64c
-    field public static final int CODE_REJECT_MAX_CALL_LIMIT_REACHED = 1608; // 0x648
-    field public static final int CODE_REJECT_ONGOING_CALL_SETUP = 1607; // 0x647
-    field public static final int CODE_REJECT_ONGOING_CALL_TRANSFER = 1611; // 0x64b
-    field public static final int CODE_REJECT_ONGOING_CALL_UPGRADE = 1616; // 0x650
-    field public static final int CODE_REJECT_ONGOING_CALL_WAITING_DISABLED = 1601; // 0x641
-    field public static final int CODE_REJECT_ONGOING_CONFERENCE_CALL = 1618; // 0x652
-    field public static final int CODE_REJECT_ONGOING_CS_CALL = 1621; // 0x655
-    field public static final int CODE_REJECT_ONGOING_E911_CALL = 1606; // 0x646
-    field public static final int CODE_REJECT_ONGOING_ENCRYPTED_CALL = 1620; // 0x654
-    field public static final int CODE_REJECT_ONGOING_HANDOVER = 1614; // 0x64e
-    field public static final int CODE_REJECT_QOS_FAILURE = 1613; // 0x64d
-    field public static final int CODE_REJECT_SERVICE_NOT_REGISTERED = 1604; // 0x644
-    field public static final int CODE_REJECT_UNKNOWN = 1600; // 0x640
-    field public static final int CODE_REJECT_UNSUPPORTED_SDP_HEADERS = 1610; // 0x64a
-    field public static final int CODE_REJECT_UNSUPPORTED_SIP_HEADERS = 1609; // 0x649
-    field public static final int CODE_REJECT_VT_AVPF_NOT_ALLOWED = 1619; // 0x653
-    field public static final int CODE_REJECT_VT_TTY_NOT_ALLOWED = 1615; // 0x64f
-    field public static final int CODE_REMOTE_CALL_DECLINE = 1404; // 0x57c
-    field public static final int CODE_SESSION_MODIFICATION_FAILED = 1517; // 0x5ed
-    field public static final int CODE_SIP_ALTERNATE_EMERGENCY_CALL = 1514; // 0x5ea
-    field public static final int CODE_SIP_AMBIGUOUS = 376; // 0x178
-    field public static final int CODE_SIP_BAD_ADDRESS = 337; // 0x151
-    field public static final int CODE_SIP_BAD_REQUEST = 331; // 0x14b
-    field public static final int CODE_SIP_BUSY = 338; // 0x152
-    field public static final int CODE_SIP_CALL_OR_TRANS_DOES_NOT_EXIST = 372; // 0x174
-    field public static final int CODE_SIP_CLIENT_ERROR = 342; // 0x156
-    field public static final int CODE_SIP_EXTENSION_REQUIRED = 370; // 0x172
-    field public static final int CODE_SIP_FORBIDDEN = 332; // 0x14c
-    field public static final int CODE_SIP_GLOBAL_ERROR = 362; // 0x16a
-    field public static final int CODE_SIP_INTERVAL_TOO_BRIEF = 371; // 0x173
-    field public static final int CODE_SIP_LOOP_DETECTED = 373; // 0x175
-    field public static final int CODE_SIP_METHOD_NOT_ALLOWED = 366; // 0x16e
-    field public static final int CODE_SIP_NOT_ACCEPTABLE = 340; // 0x154
-    field public static final int CODE_SIP_NOT_FOUND = 333; // 0x14d
-    field public static final int CODE_SIP_NOT_REACHABLE = 341; // 0x155
-    field public static final int CODE_SIP_NOT_SUPPORTED = 334; // 0x14e
-    field public static final int CODE_SIP_PROXY_AUTHENTICATION_REQUIRED = 367; // 0x16f
-    field public static final int CODE_SIP_REDIRECTED = 321; // 0x141
-    field public static final int CODE_SIP_REQUEST_CANCELLED = 339; // 0x153
-    field public static final int CODE_SIP_REQUEST_ENTITY_TOO_LARGE = 368; // 0x170
-    field public static final int CODE_SIP_REQUEST_PENDING = 377; // 0x179
-    field public static final int CODE_SIP_REQUEST_TIMEOUT = 335; // 0x14f
-    field public static final int CODE_SIP_REQUEST_URI_TOO_LARGE = 369; // 0x171
-    field public static final int CODE_SIP_SERVER_ERROR = 354; // 0x162
-    field public static final int CODE_SIP_SERVER_INTERNAL_ERROR = 351; // 0x15f
-    field public static final int CODE_SIP_SERVER_TIMEOUT = 353; // 0x161
-    field public static final int CODE_SIP_SERVICE_UNAVAILABLE = 352; // 0x160
-    field public static final int CODE_SIP_TEMPRARILY_UNAVAILABLE = 336; // 0x150
-    field public static final int CODE_SIP_TOO_MANY_HOPS = 374; // 0x176
-    field public static final int CODE_SIP_TRANSACTION_DOES_NOT_EXIST = 343; // 0x157
-    field public static final int CODE_SIP_UNDECIPHERABLE = 378; // 0x17a
-    field public static final int CODE_SIP_USER_MARKED_UNWANTED = 365; // 0x16d
-    field public static final int CODE_SIP_USER_REJECTED = 361; // 0x169
-    field public static final int CODE_SUPP_SVC_CANCELLED = 1202; // 0x4b2
-    field public static final int CODE_SUPP_SVC_FAILED = 1201; // 0x4b1
-    field public static final int CODE_SUPP_SVC_REINVITE_COLLISION = 1203; // 0x4b3
-    field public static final int CODE_TIMEOUT_1XX_WAITING = 201; // 0xc9
-    field public static final int CODE_TIMEOUT_NO_ANSWER = 202; // 0xca
-    field public static final int CODE_TIMEOUT_NO_ANSWER_CALL_UPDATE = 203; // 0xcb
-    field public static final int CODE_UNSPECIFIED = 0; // 0x0
-    field public static final int CODE_USER_CANCELLED_SESSION_MODIFICATION = 512; // 0x200
-    field public static final int CODE_USER_DECLINE = 504; // 0x1f8
-    field public static final int CODE_USER_IGNORE = 503; // 0x1f7
-    field public static final int CODE_USER_NOANSWER = 502; // 0x1f6
-    field public static final int CODE_USER_REJECTED_SESSION_MODIFICATION = 511; // 0x1ff
-    field public static final int CODE_USER_TERMINATED = 501; // 0x1f5
-    field public static final int CODE_USER_TERMINATED_BY_REMOTE = 510; // 0x1fe
-    field public static final int CODE_UT_CB_PASSWORD_MISMATCH = 821; // 0x335
-    field public static final int CODE_UT_NETWORK_ERROR = 804; // 0x324
-    field public static final int CODE_UT_NOT_SUPPORTED = 801; // 0x321
-    field public static final int CODE_UT_OPERATION_NOT_ALLOWED = 803; // 0x323
-    field public static final int CODE_UT_SERVICE_UNAVAILABLE = 802; // 0x322
-    field public static final int CODE_UT_SS_MODIFIED_TO_DIAL = 822; // 0x336
-    field public static final int CODE_UT_SS_MODIFIED_TO_DIAL_VIDEO = 825; // 0x339
-    field public static final int CODE_UT_SS_MODIFIED_TO_SS = 824; // 0x338
-    field public static final int CODE_UT_SS_MODIFIED_TO_USSD = 823; // 0x337
-    field public static final int CODE_WIFI_LOST = 1407; // 0x57f
-    field @NonNull public static final android.os.Parcelable.Creator<android.telephony.ims.ImsReasonInfo> CREATOR;
-    field public static final int EXTRA_CODE_CALL_RETRY_BY_SETTINGS = 3; // 0x3
-    field public static final int EXTRA_CODE_CALL_RETRY_NORMAL = 1; // 0x1
-    field public static final int EXTRA_CODE_CALL_RETRY_SILENT_REDIAL = 2; // 0x2
-    field public static final String EXTRA_MSG_SERVICE_NOT_AUTHORIZED = "Forbidden. Not Authorized for Service";
-  }
-
   public class ImsService extends android.app.Service {
     ctor public ImsService();
     method public android.telephony.ims.feature.MmTelFeature createMmTelFeature(int);
diff --git a/telephony/java/android/telephony/ims/ImsReasonInfo.java b/telephony/java/android/telephony/ims/ImsReasonInfo.java
index 663b09a3e96e3..f4b2cef73a44d 100644
--- a/telephony/java/android/telephony/ims/ImsReasonInfo.java
+++ b/telephony/java/android/telephony/ims/ImsReasonInfo.java
@@ -18,9 +18,10 @@ package android.telephony.ims;
 
 import android.annotation.IntDef;
 import android.annotation.NonNull;
+import android.annotation.Nullable;
 import android.annotation.SystemApi;
-import android.annotation.TestApi;
 import android.annotation.UnsupportedAppUsage;
+import android.os.Build;
 import android.os.Parcel;
 import android.os.Parcelable;
 
@@ -28,12 +29,13 @@ import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 
 /**
- * This class enables an application to get details on why a method call failed.
- *
- * @hide
+ * Provides details on why an IMS call failed. Applications can use the methods in this class to
+ * get local or network fault behind an IMS services failure. For example, if the code is
+ * CODE_CALL_BARRED, then the call was blocked by network call barring configuration and it is not
+ * the device's bug and the user can retry the call when network lift the barring.
+ * Typical use case includes call backs when IMS call state changed with this class as a param
+ * containing details on why IMS call changed state/failed.
  */
-@SystemApi
-@TestApi
 public final class ImsReasonInfo implements Parcelable {
 
     /**
@@ -1096,9 +1098,11 @@ public final class ImsReasonInfo implements Parcelable {
     /**
      * Network string error messages.
      * mExtraMessage may have these values.
+     * @hide
      */
-    public static final String EXTRA_MSG_SERVICE_NOT_AUTHORIZED
-            = "Forbidden. Not Authorized for Service";
+    @SystemApi
+    public static final String EXTRA_MSG_SERVICE_NOT_AUTHORIZED =
+            "Forbidden. Not Authorized for Service";
 
 
     /*
@@ -1106,21 +1110,21 @@ public final class ImsReasonInfo implements Parcelable {
      * This value can be referred when the code is CODE_LOCAL_CALL_CS_RETRY_REQUIRED.
      */
     /**
-     * An extra that may be populated when the {@link CODE_LOCAL_CALL_CS_RETRY_REQUIRED} result has
+     * An extra that may be populated when the {@link #CODE_LOCAL_CALL_CS_RETRY_REQUIRED} result has
      * been returned.
      * <p>
      * Try to connect the call using CS
      */
     public static final int EXTRA_CODE_CALL_RETRY_NORMAL = 1;
     /**
-     * An extra that may be populated when the {@link CODE_LOCAL_CALL_CS_RETRY_REQUIRED} result has
+     * An extra that may be populated when the {@link #CODE_LOCAL_CALL_CS_RETRY_REQUIRED} result has
      * been returned.
      * <p>
      * Try to connect the call using CS and do not notify the user.
      */
     public static final int EXTRA_CODE_CALL_RETRY_SILENT_REDIAL = 2;
     /**
-     * An extra that may be populated when the {@link CODE_LOCAL_CALL_CS_RETRY_REQUIRED} result has
+     * An extra that may be populated when the {@link #CODE_LOCAL_CALL_CS_RETRY_REQUIRED} result has
      * been returned.
      * <p>
      * Try to connect the call using CS by using the settings.
@@ -1130,15 +1134,18 @@ public final class ImsReasonInfo implements Parcelable {
 
     // For main reason code
     /** @hide */
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.Q, publicAlternatives = "{@code "
+            + "#getCode()}")
     public int mCode;
     // For the extra code value; it depends on the code value.
     /** @hide */
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.Q, publicAlternatives = "{@code "
+            + "#getExtraCode()}")
     public int mExtraCode;
     // For the additional message of the reason info.
     /** @hide */
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.Q, publicAlternatives = "{@code "
+            + "#getExtraMessage()}")
     public String mExtraMessage;
 
     /** @hide */
@@ -1162,7 +1169,7 @@ public final class ImsReasonInfo implements Parcelable {
         mExtraMessage = null;
     }
 
-    public ImsReasonInfo(int code, int extraCode, String extraMessage) {
+    public ImsReasonInfo(@ImsCode int code, int extraCode, @Nullable String extraMessage) {
         mCode = code;
         mExtraCode = extraCode;
         mExtraMessage = extraMessage;
@@ -1186,7 +1193,7 @@ public final class ImsReasonInfo implements Parcelable {
      * @return an optional OEM specified string that provides extra information about the operation
      * result.
      */
-    public String getExtraMessage() {
+    public @Nullable String getExtraMessage() {
         return mExtraMessage;
     }
 
@@ -1205,13 +1212,13 @@ public final class ImsReasonInfo implements Parcelable {
     }
 
     @Override
-    public void writeToParcel(Parcel out, int flags) {
+    public void writeToParcel(@NonNull Parcel out, int flags) {
         out.writeInt(mCode);
         out.writeInt(mExtraCode);
         out.writeString(mExtraMessage);
     }
 
-    public static final @android.annotation.NonNull Creator<ImsReasonInfo> CREATOR = new Creator<ImsReasonInfo>() {
+    public static final @NonNull Creator<ImsReasonInfo> CREATOR = new Creator<ImsReasonInfo>() {
         @Override
         public ImsReasonInfo createFromParcel(Parcel in) {
             return new ImsReasonInfo(in);