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      1 /*
      2  * Copyright (C) 2017 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.internal.IImsConfig;
     24 
     25 /**
     26  * Provides APIs to get/set the IMS service feature/capability/parameters.
     27  * The config items include:
     28  * 1) Items provisioned by the operator.
     29  * 2) Items configured by user. Mainly service feature class.
     30  *
     31  * @hide
     32  */
     33 public class ImsConfig {
     34     private static final String TAG = "ImsConfig";
     35     private boolean DBG = true;
     36     private final IImsConfig miConfig;
     37     private Context mContext;
     38 
     39     /**
     40      * Broadcast action: the feature enable status was changed
     41      *
     42      * @hide
     43      */
     44     public static final String ACTION_IMS_FEATURE_CHANGED =
     45             "com.android.intent.action.IMS_FEATURE_CHANGED";
     46 
     47     /**
     48      * Broadcast action: the configuration was changed
     49      *
     50      * @hide
     51      */
     52     public static final String ACTION_IMS_CONFIG_CHANGED =
     53             "com.android.intent.action.IMS_CONFIG_CHANGED";
     54 
     55     /**
     56      * Extra parameter "item" of intent ACTION_IMS_FEATURE_CHANGED and ACTION_IMS_CONFIG_CHANGED.
     57      * It is the value of FeatureConstants or ConfigConstants.
     58      *
     59      * @hide
     60      */
     61     public static final String EXTRA_CHANGED_ITEM = "item";
     62 
     63     /**
     64      * Extra parameter "value" of intent ACTION_IMS_FEATURE_CHANGED and ACTION_IMS_CONFIG_CHANGED.
     65      * It is the new value of "item".
     66      *
     67      * @hide
     68      */
     69     public static final String EXTRA_NEW_VALUE = "value";
     70 
     71     /**
     72     * Defines IMS service/capability feature constants.
     73     */
     74     public static class FeatureConstants {
     75         public static final int FEATURE_TYPE_UNKNOWN = -1;
     76 
     77         /**
     78          * FEATURE_TYPE_VOLTE supports features defined in 3GPP and
     79          * GSMA IR.92 over LTE.
     80          */
     81         public static final int FEATURE_TYPE_VOICE_OVER_LTE = 0;
     82 
     83         /**
     84          * FEATURE_TYPE_LVC supports features defined in 3GPP and
     85          * GSMA IR.94 over LTE.
     86          */
     87         public static final int FEATURE_TYPE_VIDEO_OVER_LTE = 1;
     88 
     89         /**
     90          * FEATURE_TYPE_VOICE_OVER_WIFI supports features defined in 3GPP and
     91          * GSMA IR.92 over WiFi.
     92          */
     93         public static final int FEATURE_TYPE_VOICE_OVER_WIFI = 2;
     94 
     95         /**
     96          * FEATURE_TYPE_VIDEO_OVER_WIFI supports features defined in 3GPP and
     97          * GSMA IR.94 over WiFi.
     98          */
     99         public static final int FEATURE_TYPE_VIDEO_OVER_WIFI = 3;
    100 
    101         /**
    102          * FEATURE_TYPE_UT supports features defined in 3GPP and
    103          * GSMA IR.92 over LTE.
    104          */
    105         public static final int FEATURE_TYPE_UT_OVER_LTE = 4;
    106 
    107        /**
    108          * FEATURE_TYPE_UT_OVER_WIFI supports features defined in 3GPP and
    109          * GSMA IR.92 over WiFi.
    110          */
    111         public static final int FEATURE_TYPE_UT_OVER_WIFI = 5;
    112     }
    113 
    114     /**
    115     * Defines IMS service/capability parameters.
    116     */
    117     public static class ConfigConstants {
    118 
    119         // Define IMS config items
    120         public static final int CONFIG_START = 0;
    121 
    122         // Define operator provisioned config items
    123         public static final int PROVISIONED_CONFIG_START = CONFIG_START;
    124 
    125         /**
    126          * AMR CODEC Mode Value set, 0-7 in comma separated sequence.
    127          * Value is in String format.
    128          */
    129         public static final int VOCODER_AMRMODESET = CONFIG_START;
    130 
    131         /**
    132          * Wide Band AMR CODEC Mode Value set,0-7 in comma separated sequence.
    133          * Value is in String format.
    134          */
    135         public static final int VOCODER_AMRWBMODESET = 1;
    136 
    137         /**
    138          * SIP Session Timer value (seconds).
    139          * Value is in Integer format.
    140          */
    141         public static final int SIP_SESSION_TIMER = 2;
    142 
    143         /**
    144          * Minimum SIP Session Expiration Timer in (seconds).
    145          * Value is in Integer format.
    146          */
    147         public static final int MIN_SE = 3;
    148 
    149         /**
    150          * SIP_INVITE cancellation time out value (in milliseconds). Integer format.
    151          * Value is in Integer format.
    152          */
    153         public static final int CANCELLATION_TIMER = 4;
    154 
    155         /**
    156          * Delay time when an iRAT transition from eHRPD/HRPD/1xRTT to LTE.
    157          * Value is in Integer format.
    158          */
    159         public static final int TDELAY = 5;
    160 
    161         /**
    162          * Silent redial status of Enabled (True), or Disabled (False).
    163          * Value is in Integer format.
    164          */
    165         public static final int SILENT_REDIAL_ENABLE = 6;
    166 
    167         /**
    168          * SIP T1 timer value in milliseconds. See RFC 3261 for define.
    169          * Value is in Integer format.
    170          */
    171         public static final int SIP_T1_TIMER = 7;
    172 
    173         /**
    174          * SIP T2 timer value in milliseconds.  See RFC 3261 for define.
    175          * Value is in Integer format.
    176          */
    177         public static final int SIP_T2_TIMER  = 8;
    178 
    179          /**
    180          * SIP TF timer value in milliseconds.  See RFC 3261 for define.
    181          * Value is in Integer format.
    182          */
    183         public static final int SIP_TF_TIMER = 9;
    184 
    185         /**
    186          * VoLTE status for VLT/s status of Enabled (1), or Disabled (0).
    187          * Value is in Integer format.
    188          */
    189         public static final int VLT_SETTING_ENABLED = 10;
    190 
    191         /**
    192          * VoLTE status for LVC/s status of Enabled (1), or Disabled (0).
    193          * Value is in Integer format.
    194          */
    195         public static final int LVC_SETTING_ENABLED = 11;
    196         /**
    197          * Domain Name for the device to populate the request URI for REGISTRATION.
    198          * Value is in String format.
    199          */
    200         public static final int DOMAIN_NAME = 12;
    201          /**
    202          * Device Outgoing SMS based on either 3GPP or 3GPP2 standards.
    203          * Value is in Integer format. 3GPP2(0), 3GPP(1)
    204          */
    205         public static final int SMS_FORMAT = 13;
    206          /**
    207          * Turns IMS ON/OFF on the device.
    208          * Value is in Integer format. ON (1), OFF(0).
    209          */
    210         public static final int SMS_OVER_IP = 14;
    211         /**
    212          * Requested expiration for Published Online availability.
    213          * Value is in Integer format.
    214          */
    215         public static final int PUBLISH_TIMER = 15;
    216         /**
    217          * Requested expiration for Published Offline availability.
    218          * Value is in Integer format.
    219          */
    220         public static final int PUBLISH_TIMER_EXTENDED = 16;
    221         /**
    222          *
    223          * Value is in Integer format.
    224          */
    225         public static final int CAPABILITY_DISCOVERY_ENABLED = 17;
    226         /**
    227          * Period of time the capability information of the  contact is cached on handset.
    228          * Value is in Integer format.
    229          */
    230         public static final int CAPABILITIES_CACHE_EXPIRATION = 18;
    231         /**
    232          * Peiod of time the availability information of a contact is cached on device.
    233          * Value is in Integer format.
    234          */
    235         public static final int AVAILABILITY_CACHE_EXPIRATION = 19;
    236         /**
    237          * Interval between successive capabilities polling.
    238          * Value is in Integer format.
    239          */
    240         public static final int CAPABILITIES_POLL_INTERVAL = 20;
    241         /**
    242          * Minimum time between two published messages from the device.
    243          * Value is in Integer format.
    244          */
    245         public static final int SOURCE_THROTTLE_PUBLISH = 21;
    246         /**
    247          * The Maximum number of MDNs contained in one Request Contained List.
    248          * Value is in Integer format.
    249          */
    250         public static final int MAX_NUMENTRIES_IN_RCL = 22;
    251         /**
    252          * Expiration timer for subscription of a Request Contained List, used in capability
    253          * 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          * LTE threshold.
    429          * Handover from LTE to WiFi if LTE < THLTE1 and WiFi >= VOWT_A.
    430          */
    431         public static final int TH_LTE1 = 56;
    432         /**
    433          * LTE threshold.
    434          * Handover from WiFi to LTE if LTE >= THLTE3 or (WiFi < VOWT_B and LTE >= THLTE2).
    435          */
    436         public static final int TH_LTE2 = 57;
    437         /**
    438          * LTE threshold.
    439          * Handover from WiFi to LTE if LTE >= THLTE3 or (WiFi < VOWT_B and LTE >= THLTE2).
    440          */
    441         public static final int TH_LTE3 = 58;
    442         /**
    443          * 1x threshold.
    444          * Handover from 1x to WiFi if 1x < TH1x
    445          */
    446         public static final int TH_1x = 59;
    447         /**
    448          * WiFi threshold.
    449          * Handover from LTE to WiFi if LTE < THLTE1 and WiFi >= VOWT_A.
    450          */
    451         public static final int VOWT_A = 60;
    452         /**
    453          * WiFi threshold.
    454          * Handover from WiFi to LTE if LTE >= THLTE3 or (WiFi < VOWT_B and LTE >= THLTE2).
    455          */
    456         public static final int VOWT_B = 61;
    457         /**
    458          * LTE ePDG timer.
    459          * Device shall not handover back to LTE until the T_ePDG_LTE timer expires.
    460          */
    461         public static final int T_EPDG_LTE = 62;
    462         /**
    463          * WiFi ePDG timer.
    464          * Device shall not handover back to WiFi until the T_ePDG_WiFi timer expires.
    465          */
    466         public static final int T_EPDG_WIFI = 63;
    467         /**
    468          * 1x ePDG timer.
    469          * Device shall not re-register on 1x until the T_ePDG_1x timer expires.
    470          */
    471         public static final int T_EPDG_1X = 64;
    472         /**
    473          * MultiEndpoint status: Enabled (1), or Disabled (0).
    474          * Value is in Integer format.
    475          */
    476         public static final int VICE_SETTING_ENABLED = 65;
    477 
    478         // Expand the operator config items as needed here, need to change
    479         // PROVISIONED_CONFIG_END after that.
    480         public static final int PROVISIONED_CONFIG_END = VICE_SETTING_ENABLED;
    481 
    482         // Expand the operator config items as needed here.
    483     }
    484 
    485     /**
    486     * Defines IMS set operation status.
    487     */
    488     public static class OperationStatusConstants {
    489         public static final int UNKNOWN = -1;
    490         public static final int SUCCESS = 0;
    491         public static final int FAILED =  1;
    492         public static final int UNSUPPORTED_CAUSE_NONE = 2;
    493         public static final int UNSUPPORTED_CAUSE_RAT = 3;
    494         public static final int UNSUPPORTED_CAUSE_DISABLED = 4;
    495     }
    496 
    497     /**
    498      * Defines IMS get operation values.
    499      */
    500     public static class OperationValuesConstants {
    501         /**
    502          * Values related to Video Quality
    503          */
    504         public static final int VIDEO_QUALITY_UNKNOWN = -1;
    505         public static final int VIDEO_QUALITY_LOW = 0;
    506         public static final int VIDEO_QUALITY_HIGH = 1;
    507     }
    508 
    509     /**
    510      * Defines IMS video quality feature value.
    511      */
    512     public static class VideoQualityFeatureValuesConstants {
    513         public static final int LOW = 0;
    514         public static final int HIGH = 1;
    515     }
    516 
    517    /**
    518     * Defines IMS feature value.
    519     */
    520     public static class FeatureValueConstants {
    521         public static final int OFF = 0;
    522         public static final int ON = 1;
    523     }
    524 
    525     /**
    526      * Defines IMS feature value.
    527      */
    528     public static class WfcModeFeatureValueConstants {
    529         public static final int WIFI_ONLY = 0;
    530         public static final int CELLULAR_PREFERRED = 1;
    531         public static final int WIFI_PREFERRED = 2;
    532     }
    533 
    534     public ImsConfig(IImsConfig iconfig, Context context) {
    535         if (DBG) Rlog.d(TAG, "ImsConfig creates");
    536         miConfig = iconfig;
    537         mContext = context;
    538     }
    539 
    540     /**
    541      * Gets the provisioned value for IMS service/capabilities parameters used by IMS stack.
    542      * This function should not be called from the mainthread as it could block the
    543      * mainthread.
    544      *
    545      * @param item, as defined in com.android.ims.ImsConfig#ConfigConstants.
    546      * @return the value in Integer format.
    547      *
    548      * @throws ImsException if calling the IMS service results in an error.
    549      */
    550     public int getProvisionedValue(int item) throws ImsException {
    551         int ret = 0;
    552         try {
    553             ret = miConfig.getProvisionedValue(item);
    554         }  catch (RemoteException e) {
    555             throw new ImsException("getValue()", e,
    556                     ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE);
    557         }
    558         if (DBG) Rlog.d(TAG, "getProvisionedValue(): item = " + item + ", ret =" + ret);
    559 
    560         return ret;
    561     }
    562 
    563     /**
    564      * Gets the provisioned value for IMS service/capabilities parameters used by IMS stack.
    565      * This function should not be called from the mainthread as it could block the
    566      * mainthread.
    567      *
    568      * @param item, as defined in com.android.ims.ImsConfig#ConfigConstants.
    569      * @return value in String format.
    570      *
    571      * @throws ImsException if calling the IMS service results in an error.
    572      */
    573     public String getProvisionedStringValue(int item) throws ImsException {
    574         String ret = "Unknown";
    575         try {
    576             ret = miConfig.getProvisionedStringValue(item);
    577         }  catch (RemoteException e) {
    578             throw new ImsException("getProvisionedStringValue()", e,
    579                     ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE);
    580         }
    581         if (DBG) Rlog.d(TAG, "getProvisionedStringValue(): item = " + item + ", ret =" + ret);
    582 
    583         return ret;
    584     }
    585 
    586     /**
    587      * Sets the value for IMS service/capabilities parameters by
    588      * the operator device management entity.
    589      * This function should not be called from main thread as it could block
    590      * mainthread.
    591      *
    592      * @param item, as defined in com.android.ims.ImsConfig#ConfigConstants.
    593      * @param value in Integer format.
    594      * @return as defined in com.android.ims.ImsConfig#OperationStatusConstants
    595      *
    596      * @throws ImsException if calling the IMS service results in an error.
    597      */
    598     public int setProvisionedValue(int item, int value)
    599             throws ImsException {
    600         int ret = OperationStatusConstants.UNKNOWN;
    601         if (DBG) {
    602             Rlog.d(TAG, "setProvisionedValue(): item = " + item +
    603                     "value = " + value);
    604         }
    605         try {
    606             ret = miConfig.setProvisionedValue(item, value);
    607         }  catch (RemoteException e) {
    608             throw new ImsException("setProvisionedValue()", e,
    609                     ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE);
    610         }
    611         if (DBG) {
    612             Rlog.d(TAG, "setProvisionedValue(): item = " + item +
    613                     " value = " + value + " ret = " + ret);
    614         }
    615         return ret;
    616     }
    617 
    618     /**
    619      * Sets the value for IMS service/capabilities parameters by
    620      * the operator device management entity.
    621      * This function should not be called from main thread as it could block
    622      * mainthread.
    623      *
    624      * @param item, as defined in com.android.ims.ImsConfig#ConfigConstants.
    625      * @param value in String format.
    626      * @return as defined in com.android.ims.ImsConfig#OperationStatusConstants
    627      *
    628      * @throws ImsException if calling the IMS service results in an error.
    629      */
    630     public int setProvisionedStringValue(int item, String value)
    631             throws ImsException {
    632         int ret = OperationStatusConstants.UNKNOWN;
    633         try {
    634             ret = miConfig.setProvisionedStringValue(item, value);
    635         }  catch (RemoteException e) {
    636             throw new ImsException("setProvisionedStringValue()", e,
    637                     ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE);
    638         }
    639         if (DBG) {
    640             Rlog.d(TAG, "setProvisionedStringValue(): item = " + item +
    641                     ", value =" + value);
    642         }
    643         return ret;
    644     }
    645 
    646     /**
    647      * Gets the value for IMS feature item for specified network type.
    648      *
    649      * @param feature, defined as in FeatureConstants.
    650      * @param network, defined as in android.telephony.TelephonyManager#NETWORK_TYPE_XXX.
    651      * @param listener, provided to be notified for the feature on/off status.
    652      * @return void
    653      *
    654      * @throws ImsException if calling the IMS service results in an error.
    655      */
    656     public void getFeatureValue(int feature, int network,
    657             ImsConfigListener listener) throws ImsException {
    658         if (DBG) {
    659             Rlog.d(TAG, "getFeatureValue: feature = " + feature + ", network =" + network +
    660                     ", listener =" + listener);
    661         }
    662         try {
    663             miConfig.getFeatureValue(feature, network, listener);
    664         } catch (RemoteException e) {
    665             throw new ImsException("getFeatureValue()", e,
    666                     ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE);
    667         }
    668     }
    669 
    670     /**
    671      * Sets the value for IMS feature item for specified network type.
    672      *
    673      * @param feature, as defined in FeatureConstants.
    674      * @param network, as defined in android.telephony.TelephonyManager#NETWORK_TYPE_XXX.
    675      * @param value, as defined in FeatureValueConstants.
    676      * @param listener, provided if caller needs to be notified for set result.
    677      * @return void
    678      *
    679      * @throws ImsException if calling the IMS service results in an error.
    680      */
    681     public void setFeatureValue(int feature, int network, int value,
    682             ImsConfigListener listener) throws ImsException {
    683         if (DBG) {
    684             Rlog.d(TAG, "setFeatureValue: feature = " + feature + ", network =" + network +
    685                     ", value =" + value + ", listener =" + listener);
    686         }
    687         try {
    688             miConfig.setFeatureValue(feature, network, value, listener);
    689         } catch (RemoteException e) {
    690             throw new ImsException("setFeatureValue()", e,
    691                     ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE);
    692         }
    693     }
    694 }
    695