Home | History | Annotate | Download | only in ims
      1 /*
      2  * Copyright (c) 2014 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.ims;
     18 
     19 import android.content.Context;
     20 import android.os.RemoteException;
     21 import android.telephony.Rlog;
     22 
     23 import com.android.ims.ImsConfigListener;
     24 import com.android.ims.ImsReasonInfo;
     25 import com.android.ims.internal.IImsConfig;
     26 /**
     27  * Provides APIs to get/set the IMS service feature/capability/parameters.
     28  * The config items include:
     29  * 1) Items provisioned by the operator.
     30  * 2) Items configured by user. Mainly service feature class.
     31  *
     32  * @hide
     33  */
     34 public class ImsConfig {
     35     private static final String TAG = "ImsConfig";
     36     private boolean DBG = true;
     37     private final IImsConfig miConfig;
     38     private Context mContext;
     39 
     40     /**
     41      * Broadcast action: the feature enable status was changed
     42      *
     43      * @hide
     44      */
     45     public static final String ACTION_IMS_FEATURE_CHANGED =
     46             "com.android.intent.action.IMS_FEATURE_CHANGED";
     47 
     48     /**
     49      * Broadcast action: the configuration was changed
     50      *
     51      * @hide
     52      */
     53     public static final String ACTION_IMS_CONFIG_CHANGED =
     54             "com.android.intent.action.IMS_CONFIG_CHANGED";
     55 
     56     /**
     57      * Extra parameter "item" of intent ACTION_IMS_FEATURE_CHANGED and ACTION_IMS_CONFIG_CHANGED.
     58      * It is the value of FeatureConstants or ConfigConstants.
     59      *
     60      * @hide
     61      */
     62     public static final String EXTRA_CHANGED_ITEM = "item";
     63 
     64     /**
     65      * Extra parameter "value" of intent ACTION_IMS_FEATURE_CHANGED and ACTION_IMS_CONFIG_CHANGED.
     66      * It is the new value of "item".
     67      *
     68      * @hide
     69      */
     70     public static final String EXTRA_NEW_VALUE = "value";
     71 
     72     /**
     73     * Defines IMS service/capability feature constants.
     74     */
     75     public static class FeatureConstants {
     76         public static final int FEATURE_TYPE_UNKNOWN = -1;
     77 
     78         /**
     79          * FEATURE_TYPE_VOLTE supports features defined in 3GPP and
     80          * GSMA IR.92 over LTE.
     81          */
     82         public static final int FEATURE_TYPE_VOICE_OVER_LTE = 0;
     83 
     84         /**
     85          * FEATURE_TYPE_LVC supports features defined in 3GPP and
     86          * GSMA IR.94 over LTE.
     87          */
     88         public static final int FEATURE_TYPE_VIDEO_OVER_LTE = 1;
     89 
     90         /**
     91          * FEATURE_TYPE_VOICE_OVER_WIFI supports features defined in 3GPP and
     92          * GSMA IR.92 over WiFi.
     93          */
     94         public static final int FEATURE_TYPE_VOICE_OVER_WIFI = 2;
     95 
     96         /**
     97          * FEATURE_TYPE_VIDEO_OVER_WIFI supports features defined in 3GPP and
     98          * GSMA IR.94 over WiFi.
     99          */
    100         public static final int FEATURE_TYPE_VIDEO_OVER_WIFI = 3;
    101 
    102         /**
    103          * FEATURE_TYPE_UT supports features defined in 3GPP and
    104          * GSMA IR.92 over LTE.
    105          */
    106         public static final int FEATURE_TYPE_UT_OVER_LTE = 4;
    107 
    108        /**
    109          * FEATURE_TYPE_UT_OVER_WIFI supports features defined in 3GPP and
    110          * GSMA IR.92 over WiFi.
    111          */
    112         public static final int FEATURE_TYPE_UT_OVER_WIFI = 5;
    113     }
    114 
    115     /**
    116     * Defines IMS service/capability parameters.
    117     */
    118     public static class ConfigConstants {
    119 
    120         // Define IMS config items
    121         public static final int CONFIG_START = 0;
    122 
    123         // Define operator provisioned config items
    124         public static final int PROVISIONED_CONFIG_START = CONFIG_START;
    125 
    126         /**
    127          * AMR CODEC Mode Value set, 0-7 in comma separated sequence.
    128          * Value is in String format.
    129          */
    130         public static final int VOCODER_AMRMODESET = CONFIG_START;
    131 
    132         /**
    133          * Wide Band AMR CODEC Mode Value set,0-7 in comma separated sequence.
    134          * Value is in String format.
    135          */
    136         public static final int VOCODER_AMRWBMODESET = 1;
    137 
    138         /**
    139          * SIP Session Timer value (seconds).
    140          * Value is in Integer format.
    141          */
    142         public static final int SIP_SESSION_TIMER = 2;
    143 
    144         /**
    145          * Minimum SIP Session Expiration Timer in (seconds).
    146          * Value is in Integer format.
    147          */
    148         public static final int MIN_SE = 3;
    149 
    150         /**
    151          * SIP_INVITE cancellation time out value (in milliseconds). Integer format.
    152          * Value is in Integer format.
    153          */
    154         public static final int CANCELLATION_TIMER = 4;
    155 
    156         /**
    157          * Delay time when an iRAT transition from eHRPD/HRPD/1xRTT to LTE.
    158          * Value is in Integer format.
    159          */
    160         public static final int TDELAY = 5;
    161 
    162         /**
    163          * Silent redial status of Enabled (True), or Disabled (False).
    164          * Value is in Integer format.
    165          */
    166         public static final int SILENT_REDIAL_ENABLE = 6;
    167 
    168         /**
    169          * SIP T1 timer value in milliseconds. See RFC 3261 for define.
    170          * Value is in Integer format.
    171          */
    172         public static final int SIP_T1_TIMER = 7;
    173 
    174         /**
    175          * SIP T2 timer value in milliseconds.  See RFC 3261 for define.
    176          * Value is in Integer format.
    177          */
    178         public static final int SIP_T2_TIMER  = 8;
    179 
    180          /**
    181          * SIP TF timer value in milliseconds.  See RFC 3261 for define.
    182          * Value is in Integer format.
    183          */
    184         public static final int SIP_TF_TIMER = 9;
    185 
    186         /**
    187          * VoLTE status for VLT/s status of Enabled (1), or Disabled (0).
    188          * Value is in Integer format.
    189          */
    190         public static final int VLT_SETTING_ENABLED = 10;
    191 
    192         /**
    193          * VoLTE status for LVC/s status of Enabled (1), or Disabled (0).
    194          * Value is in Integer format.
    195          */
    196         public static final int LVC_SETTING_ENABLED = 11;
    197         /**
    198          * Domain Name for the device to populate the request URI for REGISTRATION.
    199          * Value is in String format.
    200          */
    201         public static final int DOMAIN_NAME = 12;
    202          /**
    203          * Device Outgoing SMS based on either 3GPP or 3GPP2 standards.
    204          * Value is in Integer format. 3GPP2(0), 3GPP(1)
    205          */
    206         public static final int SMS_FORMAT = 13;
    207          /**
    208          * Turns IMS ON/OFF on the device.
    209          * Value is in Integer format. ON (1), OFF(0).
    210          */
    211         public static final int SMS_OVER_IP = 14;
    212         /**
    213          * Requested expiration for Published Online availability.
    214          * Value is in Integer format.
    215          */
    216         public static final int PUBLISH_TIMER = 15;
    217         /**
    218          * Requested expiration for Published Offline availability.
    219          * Value is in Integer format.
    220          */
    221         public static final int PUBLISH_TIMER_EXTENDED = 16;
    222         /**
    223          *
    224          * Value is in Integer format.
    225          */
    226         public static final int CAPABILITY_DISCOVERY_ENABLED = 17;
    227         /**
    228          * Period of time the capability information of the  contact is cached on handset.
    229          * Value is in Integer format.
    230          */
    231         public static final int CAPABILITIES_CACHE_EXPIRATION = 18;
    232         /**
    233          * Peiod of time the availability information of a contact is cached on device.
    234          * Value is in Integer format.
    235          */
    236         public static final int AVAILABILITY_CACHE_EXPIRATION = 19;
    237         /**
    238          * Interval between successive capabilities polling.
    239          * Value is in Integer format.
    240          */
    241         public static final int CAPABILITIES_POLL_INTERVAL = 20;
    242         /**
    243          * Minimum time between two published messages from the device.
    244          * Value is in Integer format.
    245          */
    246         public static final int SOURCE_THROTTLE_PUBLISH = 21;
    247         /**
    248          * The Maximum number of MDNs contained in one Request Contained List.
    249          * Value is in Integer format.
    250          */
    251         public static final int MAX_NUMENTRIES_IN_RCL = 22;
    252         /**
    253          * Expiration timer for subscription of a Request Contained List, used in capability polling.
    254          * Value is in Integer format.
    255          */
    256         public static final int CAPAB_POLL_LIST_SUB_EXP = 23;
    257         /**
    258          * Applies compression to LIST Subscription.
    259          * Value is in Integer format. Enable (1), Disable(0).
    260          */
    261         public static final int GZIP_FLAG = 24;
    262         /**
    263          * VOLTE Status for EAB/s status of Enabled (1), or Disabled (0).
    264          * Value is in Integer format.
    265          */
    266         public static final int EAB_SETTING_ENABLED = 25;
    267         /**
    268          * Wi-Fi calling roaming status.
    269          * Value is in Integer format. ON (1), OFF(0).
    270          */
    271         public static final int VOICE_OVER_WIFI_ROAMING = 26;
    272         /**
    273          * Wi-Fi calling modem - WfcModeFeatureValueConstants.
    274          * Value is in Integer format.
    275          */
    276         public static final int VOICE_OVER_WIFI_MODE = 27;
    277         /**
    278          * VOLTE Status for voice over wifi status of Enabled (1), or Disabled (0).
    279          * Value is in Integer format.
    280          */
    281         public static final int VOICE_OVER_WIFI_SETTING_ENABLED = 28;
    282         /**
    283          * Mobile data enabled.
    284          * Value is in Integer format. On (1), OFF(0).
    285          */
    286         public static final int MOBILE_DATA_ENABLED = 29;
    287         /**
    288          * VoLTE user opted in status.
    289          * Value is in Integer format. Opted-in (1) Opted-out (0).
    290          */
    291         public static final int VOLTE_USER_OPT_IN_STATUS = 30;
    292         /**
    293          * Proxy for Call Session Control Function(P-CSCF) address for Local-BreakOut(LBO).
    294          * Value is in String format.
    295          */
    296         public static final int LBO_PCSCF_ADDRESS = 31;
    297         /**
    298          * Keep Alive Enabled for SIP.
    299          * Value is in Integer format. On(1), OFF(0).
    300          */
    301         public static final int KEEP_ALIVE_ENABLED = 32;
    302         /**
    303          * Registration retry Base Time value in seconds.
    304          * Value is in Integer format.
    305          */
    306         public static final int REGISTRATION_RETRY_BASE_TIME_SEC = 33;
    307         /**
    308          * Registration retry Max Time value in seconds.
    309          * Value is in Integer format.
    310          */
    311         public static final int REGISTRATION_RETRY_MAX_TIME_SEC = 34;
    312         /**
    313          * Smallest RTP port for speech codec.
    314          * Value is in integer format.
    315          */
    316         public static final int SPEECH_START_PORT = 35;
    317         /**
    318          * Largest RTP port for speech code.
    319          * Value is in Integer format.
    320          */
    321         public static final int SPEECH_END_PORT = 36;
    322         /**
    323          * SIP Timer A's value in milliseconds. Timer A is the INVITE request
    324          * retransmit interval, for UDP only.
    325          * Value is in Integer format.
    326          */
    327         public static final int SIP_INVITE_REQ_RETX_INTERVAL_MSEC = 37;
    328         /**
    329          * SIP Timer B's value in milliseconds. Timer B is the wait time for
    330          * INVITE message to be acknowledged.
    331          * Value is in Integer format.
    332          */
    333         public static final int SIP_INVITE_RSP_WAIT_TIME_MSEC = 38;
    334         /**
    335          * SIP Timer D's value in milliseconds. Timer D is the wait time for
    336          * response retransmits of the invite client transactions.
    337          * Value is in Integer format.
    338          */
    339         public static final int SIP_INVITE_RSP_RETX_WAIT_TIME_MSEC = 39;
    340         /**
    341          * SIP Timer E's value in milliseconds. Timer E is the value Non-INVITE
    342          * request retransmit interval, for UDP only.
    343          * Value is in Integer format.
    344          */
    345         public static final int SIP_NON_INVITE_REQ_RETX_INTERVAL_MSEC = 40;
    346         /**
    347          * SIP Timer F's value in milliseconds. Timer F is the Non-INVITE transaction
    348          * timeout timer.
    349          * Value is in Integer format.
    350          */
    351         public static final int SIP_NON_INVITE_TXN_TIMEOUT_TIMER_MSEC = 41;
    352         /**
    353          * SIP Timer G's value in milliseconds. Timer G is the value of INVITE response
    354          * retransmit interval.
    355          * Value is in Integer format.
    356          */
    357         public static final int SIP_INVITE_RSP_RETX_INTERVAL_MSEC = 42;
    358         /**
    359          * SIP Timer H's value in milliseconds. Timer H is the value of wait time for
    360          * ACK receipt.
    361          * Value is in Integer format.
    362          */
    363         public static final int SIP_ACK_RECEIPT_WAIT_TIME_MSEC = 43;
    364         /**
    365          * SIP Timer I's value in milliseconds. Timer I is the value of wait time for
    366          * ACK retransmits.
    367          * Value is in Integer format.
    368          */
    369         public static final int SIP_ACK_RETX_WAIT_TIME_MSEC = 44;
    370         /**
    371          * SIP Timer J's value in milliseconds. Timer J is the value of wait time for
    372          * non-invite request retransmission.
    373          * Value is in Integer format.
    374          */
    375         public static final int SIP_NON_INVITE_REQ_RETX_WAIT_TIME_MSEC = 45;
    376         /**
    377          * SIP Timer K's value in milliseconds. Timer K is the value of wait time for
    378          * non-invite response retransmits.
    379          * Value is in Integer format.
    380          */
    381         public static final int SIP_NON_INVITE_RSP_RETX_WAIT_TIME_MSEC = 46;
    382         /**
    383          * AMR WB octet aligned dynamic payload type.
    384          * Value is in Integer format.
    385          */
    386         public static final int AMR_WB_OCTET_ALIGNED_PT = 47;
    387         /**
    388          * AMR WB bandwidth efficient payload type.
    389          * Value is in Integer format.
    390          */
    391         public static final int AMR_WB_BANDWIDTH_EFFICIENT_PT = 48;
    392         /**
    393          * AMR octet aligned dynamic payload type.
    394          * Value is in Integer format.
    395          */
    396         public static final int AMR_OCTET_ALIGNED_PT = 49;
    397         /**
    398          * AMR bandwidth efficient payload type.
    399          * Value is in Integer format.
    400          */
    401         public static final int AMR_BANDWIDTH_EFFICIENT_PT = 50;
    402         /**
    403          * DTMF WB payload type.
    404          * Value is in Integer format.
    405          */
    406         public static final int DTMF_WB_PT = 51;
    407         /**
    408          * DTMF NB payload type.
    409          * Value is in Integer format.
    410          */
    411         public static final int DTMF_NB_PT = 52;
    412         /**
    413          * AMR Default encoding mode.
    414          * Value is in Integer format.
    415          */
    416         public static final int AMR_DEFAULT_MODE = 53;
    417         /**
    418          * SMS Public Service Identity.
    419          * Value is in String format.
    420          */
    421         public static final int SMS_PSI = 54;
    422         /**
    423          * Video Quality - VideoQualityFeatureValuesConstants.
    424          * Value is in Integer format.
    425          */
    426         public static final int VIDEO_QUALITY = 55;
    427 
    428 
    429         // Expand the operator config items as needed here, need to change
    430         // PROVISIONED_CONFIG_END after that.
    431         public static final int PROVISIONED_CONFIG_END = VIDEO_QUALITY;
    432 
    433         // Expand the operator config items as needed here.
    434     }
    435 
    436     /**
    437     * Defines IMS set operation status.
    438     */
    439     public static class OperationStatusConstants {
    440         public static final int UNKNOWN = -1;
    441         public static final int SUCCESS = 0;
    442         public static final int FAILED =  1;
    443         public static final int UNSUPPORTED_CAUSE_NONE = 2;
    444         public static final int UNSUPPORTED_CAUSE_RAT = 3;
    445         public static final int UNSUPPORTED_CAUSE_DISABLED = 4;
    446     }
    447 
    448     /**
    449      * Defines IMS get operation values.
    450      */
    451     public static class OperationValuesConstants {
    452         /**
    453          * Values related to Video Quality
    454          */
    455         public static final int VIDEO_QUALITY_UNKNOWN = -1;
    456         public static final int VIDEO_QUALITY_LOW = 0;
    457         public static final int VIDEO_QUALITY_HIGH = 1;
    458     }
    459 
    460     /**
    461      * Defines IMS video quality feature value.
    462      */
    463     public static class VideoQualityFeatureValuesConstants {
    464         public static final int LOW = 0;
    465         public static final int HIGH = 1;
    466     }
    467 
    468    /**
    469     * Defines IMS feature value.
    470     */
    471     public static class FeatureValueConstants {
    472         public static final int OFF = 0;
    473         public static final int ON = 1;
    474     }
    475 
    476     /**
    477      * Defines IMS feature value.
    478      */
    479     public static class WfcModeFeatureValueConstants {
    480         public static final int WIFI_ONLY = 0;
    481         public static final int CELLULAR_PREFERRED = 1;
    482         public static final int WIFI_PREFERRED = 2;
    483     }
    484 
    485     public ImsConfig(IImsConfig iconfig, Context context) {
    486         if (DBG) Rlog.d(TAG, "ImsConfig creates");
    487         miConfig = iconfig;
    488         mContext = context;
    489     }
    490 
    491     /**
    492      * Gets the provisioned value for IMS service/capabilities parameters used by IMS stack.
    493      * This function should not be called from the mainthread as it could block the
    494      * mainthread.
    495      *
    496      * @param item, as defined in com.android.ims.ImsConfig#ConfigConstants.
    497      * @return the value in Integer format.
    498      *
    499      * @throws ImsException if calling the IMS service results in an error.
    500      */
    501     public int getProvisionedValue(int item) throws ImsException {
    502         int ret = 0;
    503         try {
    504             ret = miConfig.getProvisionedValue(item);
    505         }  catch (RemoteException e) {
    506             throw new ImsException("getValue()", e,
    507                     ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE);
    508         }
    509         if (DBG) Rlog.d(TAG, "getProvisionedValue(): item = " + item + ", ret =" + ret);
    510 
    511         return ret;
    512     }
    513 
    514     /**
    515      * Gets the provisioned value for IMS service/capabilities parameters used by IMS stack.
    516      * This function should not be called from the mainthread as it could block the
    517      * mainthread.
    518      *
    519      * @param item, as defined in com.android.ims.ImsConfig#ConfigConstants.
    520      * @return value in String format.
    521      *
    522      * @throws ImsException if calling the IMS service results in an error.
    523      */
    524     public String getProvisionedStringValue(int item) throws ImsException {
    525         String ret = "Unknown";
    526         try {
    527             ret = miConfig.getProvisionedStringValue(item);
    528         }  catch (RemoteException e) {
    529             throw new ImsException("getProvisionedStringValue()", e,
    530                     ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE);
    531         }
    532         if (DBG) Rlog.d(TAG, "getProvisionedStringValue(): item = " + item + ", ret =" + ret);
    533 
    534         return ret;
    535     }
    536 
    537     /**
    538      * Sets the value for IMS service/capabilities parameters by
    539      * the operator device management entity.
    540      * This function should not be called from main thread as it could block
    541      * mainthread.
    542      *
    543      * @param item, as defined in com.android.ims.ImsConfig#ConfigConstants.
    544      * @param value in Integer format.
    545      * @return as defined in com.android.ims.ImsConfig#OperationStatusConstants
    546      *
    547      * @throws ImsException if calling the IMS service results in an error.
    548      */
    549     public int setProvisionedValue(int item, int value)
    550             throws ImsException {
    551         int ret = ImsConfig.OperationStatusConstants.UNKNOWN;
    552         if (DBG) {
    553             Rlog.d(TAG, "setProvisionedValue(): item = " + item +
    554                     "value = " + value);
    555         }
    556         try {
    557             ret = miConfig.setProvisionedValue(item, value);
    558         }  catch (RemoteException e) {
    559             throw new ImsException("setProvisionedValue()", e,
    560                     ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE);
    561         }
    562         if (DBG) {
    563             Rlog.d(TAG, "setProvisionedValue(): item = " + item +
    564                     " value = " + value + " ret = " + ret);
    565         }
    566         return ret;
    567     }
    568 
    569     /**
    570      * Sets the value for IMS service/capabilities parameters by
    571      * the operator device management entity.
    572      * This function should not be called from main thread as it could block
    573      * mainthread.
    574      *
    575      * @param item, as defined in com.android.ims.ImsConfig#ConfigConstants.
    576      * @param value in String format.
    577      * @return as defined in com.android.ims.ImsConfig#OperationStatusConstants
    578      *
    579      * @throws ImsException if calling the IMS service results in an error.
    580      */
    581     public int setProvisionedStringValue(int item, String value)
    582             throws ImsException {
    583         int ret = ImsConfig.OperationStatusConstants.UNKNOWN;
    584         try {
    585             ret = miConfig.setProvisionedStringValue(item, value);
    586         }  catch (RemoteException e) {
    587             throw new ImsException("setProvisionedStringValue()", e,
    588                     ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE);
    589         }
    590         if (DBG) {
    591             Rlog.d(TAG, "setProvisionedStringValue(): item = " + item +
    592                     ", value =" + value);
    593         }
    594         return ret;
    595     }
    596 
    597     /**
    598      * Gets the value for IMS feature item for specified network type.
    599      *
    600      * @param feature, defined as in FeatureConstants.
    601      * @param network, defined as in android.telephony.TelephonyManager#NETWORK_TYPE_XXX.
    602      * @param listener, provided to be notified for the feature on/off status.
    603      * @return void
    604      *
    605      * @throws ImsException if calling the IMS service results in an error.
    606      */
    607     public void getFeatureValue(int feature, int network,
    608             ImsConfigListener listener) throws ImsException {
    609         if (DBG) {
    610             Rlog.d(TAG, "getFeatureValue: feature = " + feature + ", network =" + network +
    611                     ", listener =" + listener);
    612         }
    613         try {
    614             miConfig.getFeatureValue(feature, network, listener);
    615         } catch (RemoteException e) {
    616             throw new ImsException("getFeatureValue()", e,
    617                     ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE);
    618         }
    619     }
    620 
    621     /**
    622      * Sets the value for IMS feature item for specified network type.
    623      *
    624      * @param feature, as defined in FeatureConstants.
    625      * @param network, as defined in android.telephony.TelephonyManager#NETWORK_TYPE_XXX.
    626      * @param value, as defined in FeatureValueConstants.
    627      * @param listener, provided if caller needs to be notified for set result.
    628      * @return void
    629      *
    630      * @throws ImsException if calling the IMS service results in an error.
    631      */
    632     public void setFeatureValue(int feature, int network, int value,
    633             ImsConfigListener listener) throws ImsException {
    634         if (DBG) {
    635             Rlog.d(TAG, "setFeatureValue: feature = " + feature + ", network =" + network +
    636                     ", value =" + value + ", listener =" + listener);
    637         }
    638         try {
    639             miConfig.setFeatureValue(feature, network, value, listener);
    640         } catch (RemoteException e) {
    641             throw new ImsException("setFeatureValue()", e,
    642                     ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE);
    643         }
    644     }
    645 
    646     /**
    647      * Gets the value for IMS Volte provisioned.
    648      * It should be the same as operator provisioned value if applies.
    649      *
    650      * @return boolean
    651      *
    652      * @throws ImsException if calling the IMS service results in an error.
    653      */
    654     public boolean getVolteProvisioned() throws ImsException {
    655         try {
    656            return miConfig.getVolteProvisioned();
    657         } catch (RemoteException e) {
    658             throw new ImsException("getVolteProvisioned()", e,
    659                     ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE);
    660         }
    661     }
    662 }
    663