content: /*
   * Copyright (C) 2014 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package android.telephony;
  
  import android.annotation.SystemApi;
  
  /**
   * Contains precise disconnect call causes generated by the framework and the RIL.
   * @hide
   */
  @SystemApi
  public final class PreciseDisconnectCause {
  
      /** The disconnect cause is not valid (Not received a disconnect cause).*/
      public static final int NOT_VALID                                        = -1;
      /** No disconnect cause provided. Generally a local disconnect or an incoming missed call. */
      public static final int NO_DISCONNECT_CAUSE_AVAILABLE                    = 0;
      /**
       * The destination cannot be reached because the number, although valid,
       * is not currently assigned.
       */
      public static final int UNOBTAINABLE_NUMBER                              = 1;
      /**
       * The user cannot be reached because the network through which the call has been routed does
       * not serve the destination desired.
       */
      public static final int NO_ROUTE_TO_DESTINATION                          = 3;
      /**
       * The channel most recently identified is not acceptable to the sending entity for use in this
       * call.
       */
      public static final int CHANNEL_UNACCEPTABLE                             = 6;
      /**
       * The mobile station (MS) has tried to access a service that the MS's network operator or
       * service provider is not prepared to allow.
       */
      public static final int OPERATOR_DETERMINED_BARRING                      = 8;
      /** One of the users involved in the call has requested that the call is cleared. */
      public static final int NORMAL                                           = 16;
      /** The called user is unable to accept another call. */
      public static final int BUSY                                             = 17;
      /**
       * The user does not respond to a call establishment message with either an alerting or connect
       * indication within the prescribed period of time allocated.
       */
      public static final int NO_USER_RESPONDING                               = 18;
      /**
       * The user has provided an alerting indication but has not provided a connect indication
       * within a prescribed period of time.
       */
      public static final int NO_ANSWER_FROM_USER                              = 19;
      /** The equipment sending this cause does not wish to accept this call. */
      public static final int CALL_REJECTED                                    = 21;
      /** The called number is no longer assigned. */
      public static final int NUMBER_CHANGED                                   = 22;
      /**
       * This cause is returned to the network when a mobile station clears an active call which is
       * being pre-empted by another call with higher precedence.
       */
      public static final int PREEMPTION                                       = 25;
      /**
       * The destination indicated by the mobile station cannot be reached because the interface to
       * the destination is not functioning correctly.
       */
      public static final int DESTINATION_OUT_OF_ORDER                         = 27;
      /** The called party number is not a valid format or is not complete. */
      public static final int INVALID_NUMBER_FORMAT                            = 28;
      /** The facility requested by user can not be provided by the network. */
      public static final int FACILITY_REJECTED                                = 29;
      /** Provided in response to a STATUS ENQUIRY message. */
      public static final int STATUS_ENQUIRY                                   = 30;
      /** Reports a normal disconnect only when no other normal cause applies. */
      public static final int NORMAL_UNSPECIFIED                               = 31;
      /** There is no channel presently available to handle the call. */
      public static final int NO_CIRCUIT_AVAIL                                 = 34;
      /**
       * The network is not functioning correctly and that the condition is likely to last a
       * relatively long period of time.
       */
      public static final int NETWORK_OUT_OF_ORDER                             = 38;
      /**
       * The network is not functioning correctly and the condition is not likely to last a long
       * period of time.
       */
      public static final int TEMPORARY_FAILURE                                = 41;
      /** The switching equipment is experiencing a period of high traffic. */
      public static final int SWITCHING_CONGESTION                             = 42;
      /** The network could not deliver access information to the remote user as requested. */
      public static final int ACCESS_INFORMATION_DISCARDED                     = 43;
      /** The channel cannot be provided. */
      public static final int CHANNEL_NOT_AVAIL                                = 44;
      /**
       * This cause is used to report a resource unavailable event only when no other cause in the
       * resource unavailable class applies.
       */
      public static final int RESOURCES_UNAVAILABLE_OR_UNSPECIFIED             = 47;
      /** The requested quality of service (ITU-T X.213) cannot be provided. */
      public static final int QOS_NOT_AVAIL                                    = 49;
      /**
       * The facility could not be provided by the network because the user has no complete
       * subscription.
       */
      public static final int REQUESTED_FACILITY_NOT_SUBSCRIBED                = 50;
      /** Incoming calls are not allowed within this calling user group (CUG). */
      public static final int INCOMING_CALLS_BARRED_WITHIN_CUG                 = 55;
      /** The mobile station is not authorized to use bearer capability requested. */
      public static final int BEARER_CAPABILITY_NOT_AUTHORIZED                 = 57;
      /** The requested bearer capability is not available at this time. */
      public static final int BEARER_NOT_AVAIL                                 = 58;
      /** The service option is not availble at this time. */
      public static final int SERVICE_OPTION_NOT_AVAILABLE                     = 63;
      /** The equipment sending this cause does not support the bearer capability requested. */
      public static final int BEARER_SERVICE_NOT_IMPLEMENTED                   = 65;
      /** The call clearing is due to ACM being greater than or equal to ACMmax. */
      public static final int ACM_LIMIT_EXCEEDED                               = 68;
      /** The equipment sending this cause does not support the requested facility. */
      public static final int REQUESTED_FACILITY_NOT_IMPLEMENTED               = 69;
      /**
       * The equipment sending this cause only supports the restricted version of the requested bearer
       * capability.
       */
      public static final int ONLY_DIGITAL_INFORMATION_BEARER_AVAILABLE        = 70;
      /** The service requested is not implemented at network. */
      public static final int SERVICE_OR_OPTION_NOT_IMPLEMENTED                = 79;
      /**
       * The equipment sending this cause has received a message with a transaction identifier
       * which is not currently in use on the mobile station network interface.
       */
      public static final int INVALID_TRANSACTION_IDENTIFIER                   = 81;
      /**
       * The called user for the incoming CUG call is not a member of the specified calling user
       * group (CUG).
       */
      public static final int USER_NOT_MEMBER_OF_CUG                           = 87;
      /** The equipment sending this cause has received a request which can't be accomodated. */
      public static final int INCOMPATIBLE_DESTINATION                         = 88;
      /** This cause is used to report receipt of a message with semantically incorrect contents. */
      public static final int SEMANTICALLY_INCORRECT_MESSAGE                   = 95;
      /**
       * The equipment sending this cause has received a message with a non-semantical mandatory
       * information element (IE) error.
       */
      public static final int INVALID_MANDATORY_INFORMATION                    = 96;
      /**
       * This is sent in response to a message which is not defined, or defined but not implemented
       * by the equipment sending this cause.
       */
      public static final int MESSAGE_TYPE_NON_IMPLEMENTED                     = 97;
      /**
       * The equipment sending this cause has received a message not compatible with the protocol
       * state.
       */
      public static final int MESSAGE_TYPE_NOT_COMPATIBLE_WITH_PROTOCOL_STATE  = 98;
      /**
       * The equipment sending this cause has received a message which includes information
       * elements not recognized because its identifier is not defined or it is defined but not
       * implemented by the equipment sending the cause.
       */
      public static final int INFORMATION_ELEMENT_NON_EXISTENT                 = 99;
      /** The equipment sending this cause has received a message with conditional IE errors. */
      public static final int CONDITIONAL_IE_ERROR                             = 100;
      /** The message has been received which is incompatible with the protocol state. */
      public static final int MESSAGE_NOT_COMPATIBLE_WITH_PROTOCOL_STATE       = 101;
      /**
       * The procedure has been initiated by the expiry of a timer in association with
       * 3GPP TS 24.008 error handling procedures.
       */
      public static final int RECOVERY_ON_TIMER_EXPIRED                        = 102;
      /**
       * This protocol error event is reported only when no other cause in the protocol error class
       * applies.
       */
      public static final int PROTOCOL_ERROR_UNSPECIFIED                       = 111;
      /**
       * Interworking with a network which does not provide causes for actions it takes thus, the
       * precise cause for a message which is being sent cannot be ascertained.
       */
      public static final int INTERWORKING_UNSPECIFIED                         = 127;
      /** The call is restricted. */
      public static final int CALL_BARRED                                      = 240;
      /** The call is blocked by the Fixed Dialing Number list. */
      public static final int FDN_BLOCKED                                      = 241;
      /** The given IMSI is not known at the Visitor Location Register (VLR) TS 24.008 cause . */
      public static final int IMSI_UNKNOWN_IN_VLR                              = 242;
      /**
       * The network does not accept emergency call establishment using an IMEI or not accept attach
       * procedure for emergency services using an IMEI.
       */
      public static final int IMEI_NOT_ACCEPTED                                = 243;
      /** The call cannot be established because RADIO is OFF. */
      public static final int RADIO_OFF                                        = 247;
      /** The call cannot be established because of no cell coverage. */
      public static final int OUT_OF_SRV                                       = 248;
      /** The call cannot be established because of no valid SIM. */
      public static final int NO_VALID_SIM                                     = 249;
      /** The call is dropped or failed internally by modem. */
      public static final int RADIO_INTERNAL_ERROR                             = 250;
      /** Call failed because of UE timer expired while waiting for a response from network. */
      public static final int NETWORK_RESP_TIMEOUT                             = 251;
      /** Call failed because of a network reject. */
      public static final int NETWORK_REJECT                                   = 252;
      /** Call failed because of radio access failure. ex. RACH failure. */
      public static final int RADIO_ACCESS_FAILURE                             = 253;
      /** Call failed/dropped because of a Radio Link Failure (RLF). */
      public static final int RADIO_LINK_FAILURE                               = 254;
      /** Call failed/dropped because of radio link lost. */
      public static final int RADIO_LINK_LOST                                  = 255;
      /** Call failed because of a radio uplink issue. */
      public static final int RADIO_UPLINK_FAILURE                             = 256;
      /** Call failed because of a RRC (Radio Resource Control) connection setup failure. */
      public static final int RADIO_SETUP_FAILURE                              = 257;
      /** Call failed/dropped because of RRC (Radio Resource Control) connection release from NW. */
      public static final int RADIO_RELEASE_NORMAL                             = 258;
      /**
       * Call failed/dropped because of RRC (Radio Resource Control) abnormally released by
       * modem/network.
       */
      public static final int RADIO_RELEASE_ABNORMAL                           = 259;
      /** Call setup failed because of access class barring. */
      public static final int ACCESS_CLASS_BLOCKED                             = 260;
      /** Call failed/dropped because of a network detach. */
      public static final int NETWORK_DETACH                                   = 261;
  
      /** Mobile station (MS) is locked until next power cycle. */
      public static final int CDMA_LOCKED_UNTIL_POWER_CYCLE                    = 1000;
      /** Drop call. */
      public static final int CDMA_DROP                                        = 1001;
      /** INTERCEPT order received, Mobile station (MS) state idle entered. */
      public static final int CDMA_INTERCEPT                                   = 1002;
      /** Mobile station (MS) has been redirected, call is cancelled. */
      public static final int CDMA_REORDER                                     = 1003;
      /** Service option rejection. */
      public static final int CDMA_SO_REJECT                                   = 1004;
      /** Requested service is rejected, retry delay is set. */
      public static final int CDMA_RETRY_ORDER                                 = 1005;
      /** Unable to obtain access to the CDMA system. */
      public static final int CDMA_ACCESS_FAILURE                              = 1006;
      /** Not a preempted call. */
      public static final int CDMA_PREEMPTED                                   = 1007;
      /** Not an emergency call. */
      public static final int CDMA_NOT_EMERGENCY                               = 1008;
      /** Access Blocked by CDMA network. */
      public static final int CDMA_ACCESS_BLOCKED                              = 1009;
  
      /** Mapped from ImsReasonInfo */
      // TODO: remove ImsReasonInfo from preciseDisconnectCause
      /* The passed argument is an invalid */
      /** @hide */
      public static final int LOCAL_ILLEGAL_ARGUMENT                           = 1200;
      // The operation is invoked in invalid call state
      /** @hide */
      public static final int LOCAL_ILLEGAL_STATE                              = 1201;
      // IMS service internal error
      /** @hide */
      public static final int LOCAL_INTERNAL_ERROR                             = 1202;
      // IMS service goes down (service connection is lost)
      /** @hide */
      public static final int LOCAL_IMS_SERVICE_DOWN                           = 1203;
      // No pending incoming call exists
      /** @hide */
      public static final int LOCAL_NO_PENDING_CALL                            = 1204;
      // Service unavailable; by power off
      /** @hide */
      public static final int LOCAL_POWER_OFF                                  = 1205;
      // Service unavailable; by low battery
      /** @hide */
      public static final int LOCAL_LOW_BATTERY                                = 1206;
      // Service unavailable; by out of service (data service state)
      /** @hide */
      public static final int LOCAL_NETWORK_NO_SERVICE                         = 1207;
      /* Service unavailable; by no LTE coverage
       * (VoLTE is not supported even though IMS is registered)
       */
      /** @hide */
      public static final int LOCAL_NETWORK_NO_LTE_COVERAGE                    = 1208;
      /** Service unavailable; by located in roaming area */
      /** @hide */
      public static final int LOCAL_NETWORK_ROAMING                            = 1209;
      /** Service unavailable; by IP changed */
      /** @hide */
      public static final int LOCAL_NETWORK_IP_CHANGED                         = 1210;
      /** Service unavailable; other */
      /** @hide */
      public static final int LOCAL_SERVICE_UNAVAILABLE                        = 1211;
      /* Service unavailable; IMS connection is lost (IMS is not registered) */
      /** @hide */
      public static final int LOCAL_NOT_REGISTERED                             = 1212;
      /** Max call exceeded */
      /** @hide */
      public static final int LOCAL_MAX_CALL_EXCEEDED                          = 1213;
      /** Call decline */
      /** @hide */
      public static final int LOCAL_CALL_DECLINE                               = 1214;
      /** SRVCC is in progress */
      /** @hide */
      public static final int LOCAL_CALL_VCC_ON_PROGRESSING                    = 1215;
      /** Resource reservation is failed (QoS precondition) */
      /** @hide */
      public static final int LOCAL_CALL_RESOURCE_RESERVATION_FAILED           = 1216;
      /** Retry CS call; VoLTE service can't be provided by the network or remote end
       *  Resolve the extra code(EXTRA_CODE_CALL_RETRY_*) if the below code is set
       *  @hide
       */
      public static final int LOCAL_CALL_CS_RETRY_REQUIRED                     = 1217;
      /** Retry VoLTE call; VoLTE service can't be provided by the network temporarily */
      /** @hide */
      public static final int LOCAL_CALL_VOLTE_RETRY_REQUIRED                  = 1218;
      /** IMS call is already terminated (in TERMINATED state) */
      /** @hide */
      public static final int LOCAL_CALL_TERMINATED                            = 1219;
      /** Handover not feasible */
      /** @hide */
      public static final int LOCAL_HO_NOT_FEASIBLE                            = 1220;
  
      /** 1xx waiting timer is expired after sending INVITE request (MO only) */
      /** @hide */
      public static final int TIMEOUT_1XX_WAITING                              = 1221;
      /** User no answer during call setup operation (MO/MT)
       *  MO : 200 OK to INVITE request is not received,
       *  MT : No action from user after alerting the call
       *  @hide
       */
      public static final int TIMEOUT_NO_ANSWER                                = 1222;
      /** User no answer during call update operation (MO/MT)
       *  MO : 200 OK to re-INVITE request is not received,
       *  MT : No action from user after alerting the call
       *  @hide
       */
      public static final int TIMEOUT_NO_ANSWER_CALL_UPDATE                    = 1223;
  
      /**
       * STATUSCODE (SIP response code) (IMS -> Telephony)
       */
      /** SIP request is redirected */
      /** @hide */
      public static final int SIP_REDIRECTED                                   = 1300;
      /** 4xx responses */
      /** 400 : Bad Request */
      /** @hide */
      public static final int SIP_BAD_REQUEST                                  = 1310;
      /** 403 : Forbidden */
      /** @hide */
      public static final int SIP_FORBIDDEN                                    = 1311;
      /** 404 : Not Found */
      /** @hide */
      public static final int SIP_NOT_FOUND                                    = 1312;
      /** 415 : Unsupported Media Type
       *  416 : Unsupported URI Scheme
       *  420 : Bad Extension
       */
      /** @hide */
      public static final int SIP_NOT_SUPPORTED                                = 1313;
      /** 408 : Request Timeout */
      /** @hide */
      public static final int SIP_REQUEST_TIMEOUT                              = 1314;
      /** 480 : Temporarily Unavailable */
      /** @hide */
      public static final int SIP_TEMPRARILY_UNAVAILABLE                       = 1315;
      /** 484 : Address Incomplete */
      /** @hide */
      public static final int SIP_BAD_ADDRESS                                  = 1316;
      /** 486 : Busy Here
       *  600 : Busy Everywhere
       */
      /** @hide */
      public static final int SIP_BUSY                                         = 1317;
      /** 487 : Request Terminated */
      /** @hide */
      public static final int SIP_REQUEST_CANCELLED                            = 1318;
      /** 406 : Not Acceptable
       *  488 : Not Acceptable Here
       *  606 : Not Acceptable
       */
      /** @hide */
      public static final int SIP_NOT_ACCEPTABLE                               = 1319;
      /** 410 : Gone
       *  604 : Does Not Exist Anywhere
       */
      /** @hide */
      public static final int SIP_NOT_REACHABLE                                = 1320;
      /** Others */
      /** @hide */
      public static final int SIP_CLIENT_ERROR                                 = 1321;
      /** 481 : Transaction Does Not Exist */
      /** @hide */
      public static final int SIP_TRANSACTION_DOES_NOT_EXIST                   = 1322;
      /** 5xx responses
       *  501 : Server Internal Error
       */
      /** @hide */
      public static final int SIP_SERVER_INTERNAL_ERROR                        = 1330;
      /** 503 : Service Unavailable */
      /** @hide */
      public static final int SIP_SERVICE_UNAVAILABLE                          = 1331;
      /** 504 : Server Time-out */
      /** @hide */
      public static final int SIP_SERVER_TIMEOUT                               = 1332;
      /** Others */
      /** @hide */
      public static final int SIP_SERVER_ERROR                                 = 1333;
      /** 6xx responses
       *  603 : Decline
       */
      /** @hide */
      public static final int SIP_USER_REJECTED                                = 1340;
      /** Others */
      /** @hide */
      public static final int SIP_GLOBAL_ERROR                                 = 1341;
      /** Emergency failure */
      /** @hide */
      public static final int EMERGENCY_TEMP_FAILURE                           = 1342;
      /** @hide */
      public static final int EMERGENCY_PERM_FAILURE                           = 1343;
      /** Media resource initialization failed */
      /** @hide */
      public static final int MEDIA_INIT_FAILED                                = 1400;
      /** RTP timeout (no audio / video traffic in the session) */
      /** @hide */
      public static final int MEDIA_NO_DATA                                    = 1401;
      /** Media is not supported; so dropped the call */
      /** @hide */
      public static final int MEDIA_NOT_ACCEPTABLE                             = 1402;
      /** Unknown media related errors */
      /** @hide */
      public static final int MEDIA_UNSPECIFIED                                = 1403;
      /** User triggers the call end */
      /** @hide */
      public static final int USER_TERMINATED                                  = 1500;
      /** No action while an incoming call is ringing */
      /** @hide */
      public static final int USER_NOANSWER                                    = 1501;
      /** User ignores an incoming call */
      /** @hide */
      public static final int USER_IGNORE                                      = 1502;
      /** User declines an incoming call */
      /** @hide */
      public static final int USER_DECLINE                                     = 1503;
      /** Device declines/ends a call due to low battery */
      /** @hide */
      public static final int LOW_BATTERY                                      = 1504;
      /** Device declines call due to blacklisted call ID */
      /** @hide */
      public static final int BLACKLISTED_CALL_ID                              = 1505;
      /** The call is terminated by the network or remote user */
      /** @hide */
      public static final int USER_TERMINATED_BY_REMOTE                        = 1510;
  
      /**
       * UT
       */
      /** @hide */
      public static final int UT_NOT_SUPPORTED                                 = 1800;
      /** @hide */
      public static final int UT_SERVICE_UNAVAILABLE                           = 1801;
      /** @hide */
      public static final int UT_OPERATION_NOT_ALLOWED                         = 1802;
      /** @hide */
      public static final int UT_NETWORK_ERROR                                 = 1803;
      /** @hide */
      public static final int UT_CB_PASSWORD_MISMATCH                          = 1804;
  
      /**
       * ECBM
       * @hide
       */
      public static final int ECBM_NOT_SUPPORTED                               = 1900;
  
      /**
       * Fail code used to indicate that Multi-endpoint is not supported by the Ims framework.
       * @hide
       */
      public static final int MULTIENDPOINT_NOT_SUPPORTED                      = 1901;
  
      /**
       * CALL DROP error codes (Call could drop because of many reasons like Network not available,
       *  handover, failed, etc)
       */
  
      /**
       * CALL DROP error code for the case when a device is ePDG capable and when the user is on an
       * active wifi call and at the edge of coverage and there is no qualified LTE network available
       * to handover the call to. We get a handover NOT_TRIGERRED message from the modem. This error
       * code is received as part of the handover message.
       * @hide
       */
      public static final int CALL_DROP_IWLAN_TO_LTE_UNAVAILABLE               = 2000;
  
      /**
       * MT call has ended due to a release from the network
       * because the call was answered elsewhere
       * @hide
       */
      public static final int ANSWERED_ELSEWHERE                               = 2100;
  
      /**
       * For MultiEndpoint - Call Pull request has failed
       * @hide
       */
      public static final int CALL_PULL_OUT_OF_SYNC                            = 2101;
  
      /**
       * For MultiEndpoint - Call has been pulled from primary to secondary
       * @hide
       */
      public static final int CALL_PULLED                                      = 2102;
  
      /**
       * Supplementary services (HOLD/RESUME) failure error codes.
       * Values for Supplemetary services failure - Failed, Cancelled and Re-Invite collision.
       * @hide
       */
      public static final int SUPP_SVC_FAILED                                  = 2300;
      /** @hide */
      public static final int SUPP_SVC_CANCELLED                               = 2301;
      /** @hide */
      public static final int SUPP_SVC_REINVITE_COLLISION                      = 2302;
  
      /**
       * DPD Procedure received no response or send failed
       * @hide
       */
      public static final int IWLAN_DPD_FAILURE                                = 2400;
  
      /**
       * Establishment of the ePDG Tunnel Failed
       * @hide
       */
      public static final int EPDG_TUNNEL_ESTABLISH_FAILURE                    = 2500;
  
      /**
       * Re-keying of the ePDG Tunnel Failed; may not always result in teardown
       * @hide
       */
      public static final int EPDG_TUNNEL_REKEY_FAILURE                        = 2501;
  
      /**
       * Connection to the packet gateway is lost
       * @hide
       */
      public static final int EPDG_TUNNEL_LOST_CONNECTION                      = 2502;
  
      /**
       * The maximum number of calls allowed has been reached.  Used in a multi-endpoint scenario
       * where the number of calls across all connected devices has reached the maximum.
       * @hide
       */
      public static final int MAXIMUM_NUMBER_OF_CALLS_REACHED                  = 2503;
  
      /**
       * Similar to {@link #CODE_LOCAL_CALL_DECLINE}, except indicates that a remote device has
       * declined the call.  Used in a multi-endpoint scenario where a remote device declined an
       * incoming call.
       * @hide
       */
      public static final int REMOTE_CALL_DECLINE                              = 2504;
  
      /**
       * Indicates the call was disconnected due to the user reaching their data limit.
       * @hide
       */
      public static final int DATA_LIMIT_REACHED                               = 2505;
  
      /**
       * Indicates the call was disconnected due to the user disabling cellular data.
       * @hide
       */
      public static final int DATA_DISABLED                                    = 2506;
  
      /**
       * Indicates a call was disconnected due to loss of wifi signal.
       * @hide
       */
      public static final int WIFI_LOST                                        = 2507;
  
  
      /* OEM specific error codes. To be used by OEMs when they don't want to
         reveal error code which would be replaced by ERROR_UNSPECIFIED */
      public static final int OEM_CAUSE_1                                      = 0xf001;
      public static final int OEM_CAUSE_2                                      = 0xf002;
      public static final int OEM_CAUSE_3                                      = 0xf003;
      public static final int OEM_CAUSE_4                                      = 0xf004;
      public static final int OEM_CAUSE_5                                      = 0xf005;
      public static final int OEM_CAUSE_6                                      = 0xf006;
      public static final int OEM_CAUSE_7                                      = 0xf007;
      public static final int OEM_CAUSE_8                                      = 0xf008;
      public static final int OEM_CAUSE_9                                      = 0xf009;
      public static final int OEM_CAUSE_10                                     = 0xf00a;
      public static final int OEM_CAUSE_11                                     = 0xf00b;
      public static final int OEM_CAUSE_12                                     = 0xf00c;
      public static final int OEM_CAUSE_13                                     = 0xf00d;
      public static final int OEM_CAUSE_14                                     = 0xf00e;
      public static final int OEM_CAUSE_15                                     = 0xf00f;
  
      /** Disconnected due to unspecified reasons. */
      public static final int ERROR_UNSPECIFIED                                = 0xffff;
  
      /** Private constructor to avoid class instantiation. */
      private PreciseDisconnectCause() {
          // Do nothing.
      }
  }
  