Use @SystemApi methods to interact with telephony am: 489de20610 am: ef93aca070

Change-Id: Id1226a7c5de1f72b26c87453a98f76e7dbee73cb

10 files changed, 496 insertions, 427 deletions

diff --git a/rcs/presencepolling/Android.bp b/rcs/presencepolling/Android.bp
index 0d4607f..dfe9f68 100644
--- a/rcs/presencepolling/Android.bp
+++ b/rcs/presencepolling/Android.bp
@@ -27,10 +27,6 @@
 java_defaults {
     name: "presence_polling_defaults",
     srcs: ["src/**/*.java"],
-    libs: [
-        "ims-common",
-        "telephony-common",
-    ],
     static_libs: ["com.android.ims.rcsmanager"],
     platform_apis: true,
     certificate: "platform",
diff --git a/rcs/presencepolling/src/com/android/service/ims/presence/CapabilityPolling.java b/rcs/presencepolling/src/com/android/service/ims/presence/CapabilityPolling.java
index 6dfa651..9317f4a 100644
--- a/rcs/presencepolling/src/com/android/service/ims/presence/CapabilityPolling.java
+++ b/rcs/presencepolling/src/com/android/service/ims/presence/CapabilityPolling.java
@@ -35,7 +35,6 @@ import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.database.Cursor;
-import android.net.Uri;
 import android.os.Handler;
 import android.os.HandlerThread;
 import android.os.Message;
@@ -44,21 +43,15 @@ import android.os.SystemClock;
 import android.telephony.PhoneNumberUtils;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
+import android.telephony.ims.ImsException;
+import android.telephony.ims.ProvisioningManager;
 import android.text.format.TimeMigrationUtils;
 import android.text.TextUtils;
-import android.content.ComponentName;
-
-import com.android.ims.ImsConfig;
-import com.android.ims.ImsException;
-import com.android.ims.ImsManager;
-import com.android.internal.telephony.IccCardConstants;
-import com.android.internal.telephony.TelephonyIntents;
 
 import com.android.ims.RcsException;
 import com.android.ims.RcsManager;
 import com.android.ims.RcsPresence;
 import com.android.ims.RcsPresence.PublishState;
-import com.android.ims.RcsPresenceInfo;
 import com.android.ims.internal.ContactNumberUtils;
 import com.android.ims.internal.Logger;
 
@@ -76,11 +69,12 @@ public class CapabilityPolling {
     public static final int ACTION_POLLING_NORMAL = 0;
     public static final int ACTION_POLLING_NEW_CONTACTS = 1;
 
+    public static final int DELAY_REGISTER_CALLBACK_MS = 5000;
+
     private long mCapabilityPollInterval = 604800000L;
     private long mMinCapabilityPollInterval = 60480000L;
     private long mCapabilityCacheExpiration = 7776000000L;
     private long mNextPollingTimeStamp = 0L;
-    private final Object mScheduleSyncObj = new Object();
 
     private boolean mInitialized = false;
     private AlarmManager mAlarmManager = null;
@@ -88,6 +82,7 @@ public class CapabilityPolling {
     private boolean mStackAvailable = false;
     private int mPublished = -1;
     private int mProvisioned = -1;
+    private int mDefaultSubId;
 
     private HandlerThread mDiscoveryThread;
     private Handler mDiscoveryHandler;
@@ -110,29 +105,42 @@ public class CapabilityPolling {
                         RcsPresence.EXTRA_PUBLISH_STATE,
                         RcsPresence.PublishState.PUBLISH_STATE_NOT_PUBLISHED);
                 enqueuePublishStateChanged(state);
-            } else if (ImsConfig.ACTION_IMS_CONFIG_CHANGED.equals(action)) {
-                int item = intent.getIntExtra(ImsConfig.EXTRA_CHANGED_ITEM, -1);
-                if ((ImsConfig.ConfigConstants.CAPABILITIES_POLL_INTERVAL == item) ||
-                    (ImsConfig.ConfigConstants.CAPABILITIES_CACHE_EXPIRATION == item)) {
-                    enqueueSettingsChanged();
-                } else if ((ImsConfig.ConfigConstants.VLT_SETTING_ENABLED == item) ||
-                        (ImsConfig.ConfigConstants.LVC_SETTING_ENABLED == item) ||
-                        (ImsConfig.ConfigConstants.EAB_SETTING_ENABLED == item)) {
-                    enqueueProvisionStateChanged();
-                }
-            } else if(TelephonyIntents.ACTION_SIM_STATE_CHANGED.equalsIgnoreCase(action)) {
-                String stateExtra = intent.getStringExtra(
-                        IccCardConstants.INTENT_KEY_ICC_STATE);
-                logger.print("SIM_STATE_CHANGED: " + stateExtra);
-                if (IccCardConstants.INTENT_VALUE_ICC_LOADED.equalsIgnoreCase(stateExtra)) {
+            } else if(TelephonyManager.ACTION_SIM_CARD_STATE_CHANGED.equalsIgnoreCase(action)) {
+                int stateExtra = intent.getIntExtra(TelephonyManager.EXTRA_SIM_STATE,
+                        TelephonyManager.SIM_STATE_ABSENT);
+                int subId = intent.getIntExtra(SubscriptionManager.EXTRA_SUBSCRIPTION_INDEX,
+                        SubscriptionManager.INVALID_SUBSCRIPTION_ID);
+                logger.print("SIM_CARD_STATE_CHANGED: " + stateExtra);
+                if (SubscriptionManager.isValidSubscriptionId(subId) &&
+                        (stateExtra == TelephonyManager.SIM_STATE_PRESENT)) {
                     enqueueSimLoaded();
                 }
+            } else if (SubscriptionManager.ACTION_DEFAULT_SUBSCRIPTION_CHANGED
+                    .equalsIgnoreCase(action)) {
+                enqueueTryRegisterConfigCallback();
             } else {
                 logger.debug("No interest in this intent: " + action);
             }
         }
     };
 
+    private ProvisioningManager.Callback mProvisioningManagerCallback =
+            new ProvisioningManager.Callback() {
+        @Override
+        public void onProvisioningIntChanged(int item, int value) {
+            if ((ProvisioningManager.KEY_RCS_CAPABILITIES_POLL_INTERVAL_SEC == item) ||
+                    (ProvisioningManager.KEY_RCS_CAPABILITIES_CACHE_EXPIRATION_SEC == item)) {
+                enqueueSettingsChanged();
+            } else if ((ProvisioningManager.KEY_VOLTE_PROVISIONING_STATUS == item) ||
+                    (ProvisioningManager.KEY_VT_PROVISIONING_STATUS == item) ||
+                    (ProvisioningManager.KEY_EAB_PROVISIONING_STATUS == item)) {
+                enqueueProvisionStateChanged();
+            }
+        }
+    };
+
+    private Runnable mRegisterCallbackRunnable = this::updateProvisioningManagerRegistration;
+
     private static CapabilityPolling sInstance = null;
     public static synchronized CapabilityPolling getInstance(Context context) {
         if ((sInstance == null) && (context != null)) {
@@ -144,6 +152,7 @@ public class CapabilityPolling {
 
     private CapabilityPolling(Context context) {
         mContext = context;
+        PresenceSetting.init(mContext);
 
         ContactNumberUtils.getDefault().setContext(mContext);
         PresencePreferences.getInstance().setContext(mContext);
@@ -171,8 +180,6 @@ public class CapabilityPolling {
         if (mInitialized) {
             return;
         }
-
-        PresenceSetting.init(mContext);
         long capabilityPollInterval = PresenceSetting.getCapabilityPollInterval();
         logger.print("getCapabilityPollInterval: " + capabilityPollInterval);
         if (capabilityPollInterval == -1) {
@@ -226,8 +233,10 @@ public class CapabilityPolling {
         mDiscoveryThread = new HandlerThread("Presence-DiscoveryThread");
         mDiscoveryThread.start();
         mDiscoveryHandler = new Handler(mDiscoveryThread.getLooper(), mDiscoveryCallback);
+        mDefaultSubId = PresenceSetting.getDefaultSubscriptionId();
 
         registerForBroadcasts();
+        mRegisterCallbackRunnable.run();
 
         if (isPollingReady()) {
             schedulePolling(5 * 1000, ACTION_POLLING_NORMAL);
@@ -239,6 +248,12 @@ public class CapabilityPolling {
         clearPollingTasks();
         mContext.unregisterReceiver(mReceiver);
         mDiscoveryThread.quit();
+
+        if (SubscriptionManager.isValidSubscriptionId(mDefaultSubId)) {
+            ProvisioningManager pm = ProvisioningManager.createForSubscriptionId(mDefaultSubId);
+            pm.unregisterProvisioningChangedCallback(mProvisioningManagerCallback);
+        }
+        mDefaultSubId = SubscriptionManager.INVALID_SUBSCRIPTION_ID;
     }
 
     private void registerForBroadcasts() {
@@ -247,8 +262,8 @@ public class CapabilityPolling {
         intentFilter.addAction(RcsManager.ACTION_RCS_SERVICE_UNAVAILABLE);
         intentFilter.addAction(RcsManager.ACTION_RCS_SERVICE_DIED);
         intentFilter.addAction(RcsPresence.ACTION_PUBLISH_STATE_CHANGED);
-        intentFilter.addAction(ImsConfig.ACTION_IMS_CONFIG_CHANGED);
-        intentFilter.addAction(TelephonyIntents.ACTION_SIM_STATE_CHANGED);
+        intentFilter.addAction(TelephonyManager.ACTION_SIM_CARD_STATE_CHANGED);
+        intentFilter.addAction(SubscriptionManager.ACTION_DEFAULT_SUBSCRIPTION_CHANGED);
         mContext.registerReceiver(mReceiver, intentFilter);
     }
 
@@ -273,20 +288,15 @@ public class CapabilityPolling {
         }
 
         if (mProvisioned == -1) {
-            ImsManager imsManager = ImsManager.getInstance(mContext,
-                    SubscriptionManager.getDefaultVoicePhoneId());
-            if (imsManager != null) {
-                try {
-                    ImsConfig imsConfig = imsManager.getConfigInterface();
-                    if (imsConfig != null) {
-                        mProvisioned = imsConfig.getProvisionedValue(
-                            ImsConfig.ConfigConstants.EAB_SETTING_ENABLED);
-                        logger.print("isPollingReady, mProvisioned: " + mProvisioned);
-                    }
-                } catch (ImsException ex) {
-                    logger.warn("ImsConfig.getEabProvisioned failed, exception: " + ex);
-                    mProvisioned = -1;
-                }
+            try {
+                ProvisioningManager pm = ProvisioningManager.createForSubscriptionId(
+                        SubscriptionManager.getDefaultVoiceSubscriptionId());
+                mProvisioned = pm.getProvisioningIntValue(
+                        ProvisioningManager.KEY_EAB_PROVISIONING_STATUS);
+            } catch (Exception e) {
+                logger.warn("isPollingReady, couldn't get ProvisioningManager, exception="
+                        + e.getMessage());
+                mProvisioned = -1;
             }
         }
         logger.print("isPollingReady, mProvisioned: " + mProvisioned +
@@ -332,42 +342,22 @@ public class CapabilityPolling {
     }
 
     private void provisionStateChanged() {
-        ImsManager imsManager = ImsManager.getInstance(mContext,
-                SubscriptionManager.getDefaultVoicePhoneId());
-        if (imsManager == null) {
-            return;
-        }
-
-        try {
-            ImsConfig imsConfig = imsManager.getConfigInterface();
-            if (imsConfig == null) {
-                return;
-            }
-            boolean volteProvision = imsConfig.getProvisionedValue(
-                    ImsConfig.ConfigConstants.VLT_SETTING_ENABLED)
-                    == ImsConfig.FeatureValueConstants.ON;
-            boolean vtProvision = imsConfig.getProvisionedValue(
-                    ImsConfig.ConfigConstants.LVC_SETTING_ENABLED)
-                    == ImsConfig.FeatureValueConstants.ON;
-            boolean eabProvision = imsConfig.getProvisionedValue(
-                    ImsConfig.ConfigConstants.EAB_SETTING_ENABLED)
-                    == ImsConfig.FeatureValueConstants.ON;
-            logger.print("Provision state changed, VolteProvision: "
-                        + volteProvision + ", vtProvision: " + vtProvision
-                        + ", eabProvision: " + eabProvision);
-
-            if ((mProvisioned == 1) && !eabProvision) {
-                logger.print("EAB Provision is disabled, clear all capabilities!");
-                if (mEABContactManager != null) {
-                    mEABContactManager.updateAllCapabilityToUnknown();
-                }
+        boolean volteProvisioned = PresenceSetting.getVoLteProvisioningConfig() ==
+                ProvisioningManager.PROVISIONING_VALUE_ENABLED;
+        boolean vtProvisioned = PresenceSetting.getVtProvisioningConfig() ==
+                ProvisioningManager.PROVISIONING_VALUE_ENABLED;
+        boolean eabProvisioned = PresenceSetting.getEabProvisioningConfig() ==
+                ProvisioningManager.PROVISIONING_VALUE_ENABLED;
+        logger.print("Provision state changed, VolteProvision: "
+                + volteProvisioned + ", vtProvision: " + vtProvisioned
+                + ", eabProvision: " + eabProvisioned);
+        if ((mProvisioned == 1) && !eabProvisioned) {
+            logger.print("EAB Provision is disabled, clear all capabilities!");
+            if (mEABContactManager != null) {
+                mEABContactManager.updateAllCapabilityToUnknown();
             }
-            mProvisioned = eabProvision ? 1 : 0;
-        } catch (ImsException ex) {
-            logger.warn("ImsConfig.getEabProvisioned failed, exception: " + ex);
-            mProvisioned = -1;
-            return;
         }
+        mProvisioned = eabProvisioned ? 1 : 0;
 
         if (isPollingReady()) {
             schedulePolling(0, ACTION_POLLING_NORMAL);
@@ -718,6 +708,12 @@ public class CapabilityPolling {
         mDiscoveryHandler.obtainMessage(MSG_VERIFY_POLLING_RESULT, counts, -1).sendToTarget();
     }
 
+    private void enqueueTryRegisterConfigCallback() {
+        mContext.getMainThreadHandler().removeCallbacks(mRegisterCallbackRunnable);
+        mContext.getMainThreadHandler().postDelayed(mRegisterCallbackRunnable,
+                DELAY_REGISTER_CALLBACK_MS);
+    }
+
     private Handler.Callback mDiscoveryCallback = new Handler.Callback() {
         @Override
         public boolean handleMessage(Message msg) {
@@ -746,7 +742,7 @@ public class CapabilityPolling {
         }
     };
 
-    private void onSimLoaded() {
+    private void setDefaultSubscriberIds() {
         PresencePreferences pref = PresencePreferences.getInstance();
         if (pref == null) {
             return;
@@ -782,13 +778,51 @@ public class CapabilityPolling {
         logger.print("Remove presence cache for Sim card changed!");
         pref.setLine1Number("");
         pref.setSubscriberId("");
+    }
+
+    private void onSimLoaded() {
+        // loading a new SIM may not change defaults. Trigger possible change of default.
+        enqueueTryRegisterConfigCallback();
+    }
 
+    // Track the default subscription (the closest we can get to MSIM).
+    // call from main thread only.
+    private void updateProvisioningManagerRegistration() {
+        int defaultSubId = PresenceSetting.getDefaultSubscriptionId();
+        if (!SubscriptionManager.isValidSubscriptionId(defaultSubId)) {
+            return;
+        }
+        if (mDefaultSubId == defaultSubId) {
+            return;
+        }
+        // unregister old default first
+        if (SubscriptionManager.isValidSubscriptionId(mDefaultSubId)) {
+            ProvisioningManager pm = ProvisioningManager.createForSubscriptionId(mDefaultSubId);
+            pm.unregisterProvisioningChangedCallback(mProvisioningManagerCallback);
+        }
+        // register new default
+        mDefaultSubId = defaultSubId;
+        ProvisioningManager pm = ProvisioningManager.createForSubscriptionId(mDefaultSubId);
+        try {
+            pm.registerProvisioningChangedCallback(mContext.getMainExecutor(),
+                    mProvisioningManagerCallback);
+        } catch (ImsException e) {
+            if (e.getCode() == ImsException.CODE_ERROR_SERVICE_UNAVAILABLE) {
+                enqueueTryRegisterConfigCallback();
+                return;
+            }
+        }
+        // Clear defaults and recalculate.
+        setDefaultSubscriberIds();
         if (mEABContactManager != null) {
             mEABContactManager.updateAllCapabilityToUnknown();
         }
+        mProvisioned = -1;
+        enqueueSettingsChanged();
+        // load settings for new default.
+        enqueueProvisionStateChanged();
     }
 
-    private static final int DEFAULT_SUBSCRIPTION = 1;
     private String getLine1Number() {
         if (mContext == null) {
             return null;
@@ -800,16 +834,13 @@ public class CapabilityPolling {
             return null;
         }
 
-        String mdn = null;
-        if (TelephonyManager.getDefault().isMultiSimEnabled()) {
-            int subId = SubscriptionManager.getDefaultDataSubscriptionId();
-            if (!SubscriptionManager.isValidSubscriptionId(subId)) {
-                subId = DEFAULT_SUBSCRIPTION;
-            }
-            mdn = telephony.getLine1Number(subId);
-        } else {
-            mdn = telephony.getLine1Number();
+        int subId = PresenceSetting.getDefaultSubscriptionId();
+        if (!SubscriptionManager.isValidSubscriptionId(subId)) {
+            // no valid subscriptions available.
+            return null;
         }
+        telephony = telephony.createForSubscriptionId(subId);
+        String mdn = telephony.getLine1Number();
 
         if ((mdn == null) || (mdn.length() == 0) ||  mdn.startsWith("00000")) {
             return null;
@@ -830,16 +861,12 @@ public class CapabilityPolling {
             return null;
         }
 
-        String subscriberId = null;
-        if (TelephonyManager.getDefault().isMultiSimEnabled()) {
-            int subId = SubscriptionManager.getDefaultDataSubscriptionId();
-            if (!SubscriptionManager.isValidSubscriptionId(subId)) {
-                subId = DEFAULT_SUBSCRIPTION;
-            }
-            subscriberId = telephony.getSubscriberId(subId);
-        } else {
-            subscriberId = telephony.getSubscriberId();
+        int subId = PresenceSetting.getDefaultSubscriptionId();
+        if (!SubscriptionManager.isValidSubscriptionId(subId)) {
+            return null;
         }
+        telephony.createForSubscriptionId(subId);
+        String subscriberId = telephony.getSubscriberId(subId);
 
         logger.print("getSubscriberId: " + subscriberId);
         return subscriberId;
diff --git a/rcs/presencepolling/src/com/android/service/ims/presence/EABService.java b/rcs/presencepolling/src/com/android/service/ims/presence/EABService.java
index 0f659be..65ca1d4 100644
--- a/rcs/presencepolling/src/com/android/service/ims/presence/EABService.java
+++ b/rcs/presencepolling/src/com/android/service/ims/presence/EABService.java
@@ -47,16 +47,10 @@ import android.os.Looper;
 import android.os.Message;
 import android.provider.ContactsContract;
 import android.provider.ContactsContract.CommonDataKinds.Phone;
-import android.telephony.PhoneNumberUtils;
 import android.text.TextUtils;
 
-import android.telephony.SubscriptionManager;
 import com.android.ims.internal.EABContract;
 
-import com.android.ims.ImsConfig;
-import com.android.ims.ImsManager;
-import com.android.ims.ImsException;
-
 import com.android.ims.RcsManager;
 import com.android.ims.RcsPresence;
 import com.android.ims.RcsException;
@@ -1096,45 +1090,4 @@ public class EABService extends Service {
 
         EABDbUtil.deleteContactsFromEabDb(mContext, contactListToDelete);
     }
-
-    private boolean isRcsProvisioned(){
-        boolean isVoLTEProvisioned = false;
-        boolean isLvcProvisioned = false;
-        boolean isEabProvisioned = false;
-        ImsManager imsManager = null;
-        ImsConfig imsConfig = null;
-
-        // Get instance of imsManagr.
-        imsManager = ImsManager.getInstance(mContext,
-                SubscriptionManager.getDefaultVoiceSubscriptionId());
-        try {
-            imsConfig = imsManager.getConfigInterface();
-            logger.debug("imsConfig initialized.");
-        } catch (Exception e) {
-            logger.error("getConfigInterface() exception:", e);
-            imsConfig = null;
-        }
-
-        if (null != imsConfig) {
-            try {
-                isVoLTEProvisioned = imsConfig.getProvisionedValue(
-                        ImsConfig.ConfigConstants.VLT_SETTING_ENABLED)
-                        == ImsConfig.FeatureValueConstants.ON;
-                isLvcProvisioned = imsConfig.getProvisionedValue(
-                        ImsConfig.ConfigConstants.LVC_SETTING_ENABLED)
-                        == ImsConfig.FeatureValueConstants.ON;
-                isEabProvisioned = imsConfig.getProvisionedValue(
-                        ImsConfig.ConfigConstants.EAB_SETTING_ENABLED)
-                        == ImsConfig.FeatureValueConstants.ON;
-            } catch (ImsException e) {
-                logger.error("ImsException in isRcsProvisioned() : ", e);
-            }
-        } else {
-            logger.debug("isRcsProvisioned - imsConfig is null");
-        }
-        logger.debug("isVoLTEProvisioned : " + isVoLTEProvisioned + " isLvcProvisioned : " +
-                isLvcProvisioned
-                + " isEabProvisioned : " + isEabProvisioned);
-        return (isVoLTEProvisioned && isLvcProvisioned && isEabProvisioned);
-    }
 }
diff --git a/rcs/presencepolling/src/com/android/service/ims/presence/PresenceSetting.java b/rcs/presencepolling/src/com/android/service/ims/presence/PresenceSetting.java
index 9452237..e42e966 100644
--- a/rcs/presencepolling/src/com/android/service/ims/presence/PresenceSetting.java
+++ b/rcs/presencepolling/src/com/android/service/ims/presence/PresenceSetting.java
@@ -29,17 +29,33 @@
 package com.android.service.ims.presence;
 
 import android.content.Context;
-
-import com.android.ims.ImsConfig;
-import com.android.ims.ImsException;
-import com.android.ims.ImsManager;
+import android.telephony.SubscriptionInfo;
+import android.telephony.SubscriptionManager;
+import android.telephony.ims.ProvisioningManager;
 
 import com.android.ims.internal.Logger;
 
+import java.util.List;
+
 public class PresenceSetting {
     private static Logger logger = Logger.getLogger("PresenceSetting");
     private static Context sContext = null;
 
+    // Default result for getCapabilityPollInterval in seconds, equates to 7 days.
+    private static final long DEFAULT_CAPABILITY_POLL_INTERVAL_SEC = 604800L;
+    // Default result for getCapabilityCacheExpiration in seconds, equates to 90 days.
+    private static final long DEFAULT_CAPABILITY_CACHE_EXPIRATION_SEC = 604800L;
+    // Default result for getPublishTimer in seconds, equates to 20 minutes.
+    private static final int DEFAULT_PUBLISH_TIMER_SEC = 1200;
+    // Default result for getPublishTimerExtended in seconds, equates to 1 day.
+    private static final int DEFAULT_PUBLISH_TIMER_EXTENDED_SEC = 86400;
+    // Default result for getMaxNumberOfEntriesInRequestContainedList, 100 entries.
+    private static final int DEFAULT_NUM_ENTRIES_IN_RCL = 100;
+    // Default result for getCapabilityPollListSubscriptionExpiration in seconds, equates to 30
+    // seconds.
+    private static final int DEFAULT_CAPABILITY_POLL_LIST_SUB_EXPIRATION_SEC = 30;
+
+
     public static void init(Context context) {
         sContext = context;
     }
@@ -47,21 +63,20 @@ public class PresenceSetting {
     public static long getCapabilityPollInterval() {
         long value = -1;
         if (sContext != null) {
-            ImsManager imsManager = ImsManager.getInstance(sContext, 0);
-            if (imsManager != null) {
-                try {
-                    ImsConfig imsConfig = imsManager.getConfigInterface();
-                    if (imsConfig != null) {
-                        value = imsConfig.getProvisionedValue(
-                                ImsConfig.ConfigConstants.CAPABILITIES_POLL_INTERVAL);
-                        logger.debug("Read ImsConfig_CapabilityPollInterval: " + value);
-                    }
-                } catch (ImsException ex) {
-                }
+            int defaultSubId = getDefaultSubscriptionId();
+            if (!SubscriptionManager.isValidSubscriptionId(defaultSubId)) {
+                return DEFAULT_CAPABILITY_POLL_INTERVAL_SEC;
+            }
+            try {
+            ProvisioningManager pm = ProvisioningManager.createForSubscriptionId(defaultSubId);
+            value = pm.getProvisioningIntValue(
+                    ProvisioningManager.KEY_RCS_CAPABILITIES_POLL_INTERVAL_SEC);
+            } catch (Exception ex) {
+                logger.warn("getCapabilityPollInterval, exception = " + ex.getMessage());
             }
         }
         if (value <= 0) {
-            value = 604800L;
+            value = DEFAULT_CAPABILITY_POLL_INTERVAL_SEC;
             logger.error("Failed to get CapabilityPollInterval, the default: " + value);
         }
         return value;
@@ -70,21 +85,20 @@ public class PresenceSetting {
     public static long getCapabilityCacheExpiration() {
         long value = -1;
         if (sContext != null) {
-            ImsManager imsManager = ImsManager.getInstance(sContext, 0);
-            if (imsManager != null) {
-                try {
-                    ImsConfig imsConfig = imsManager.getConfigInterface();
-                    if (imsConfig != null) {
-                        value = imsConfig.getProvisionedValue(
-                                ImsConfig.ConfigConstants.CAPABILITIES_CACHE_EXPIRATION);
-                        logger.debug("Read ImsConfig_CapabilityCacheExpiration: " + value);
-                    }
-                } catch (ImsException ex) {
-                }
+            int defaultSubId = getDefaultSubscriptionId();
+            if (!SubscriptionManager.isValidSubscriptionId(defaultSubId)) {
+                return DEFAULT_CAPABILITY_CACHE_EXPIRATION_SEC;
+            }
+            try {
+                ProvisioningManager pm = ProvisioningManager.createForSubscriptionId(defaultSubId);
+                value = pm.getProvisioningIntValue(
+                        ProvisioningManager.KEY_RCS_CAPABILITIES_CACHE_EXPIRATION_SEC);
+            } catch (Exception ex) {
+                logger.warn("getCapabilityCacheExpiration, exception = " + ex.getMessage());
             }
         }
         if (value <= 0) {
-            value = 7776000L;
+            value = DEFAULT_CAPABILITY_CACHE_EXPIRATION_SEC;
             logger.error("Failed to get CapabilityCacheExpiration, the default: " + value);
         }
         return value;
@@ -93,21 +107,19 @@ public class PresenceSetting {
     public static int getPublishTimer() {
         int value = -1;
         if (sContext != null) {
-            ImsManager imsManager = ImsManager.getInstance(sContext, 0);
-            if (imsManager != null) {
-                try {
-                    ImsConfig imsConfig = imsManager.getConfigInterface();
-                    if (imsConfig != null) {
-                        value = imsConfig.getProvisionedValue(
-                                ImsConfig.ConfigConstants.PUBLISH_TIMER);
-                        logger.debug("Read ImsConfig_PublishTimer: " + value);
-                    }
-                } catch (ImsException ex) {
-                }
+            int defaultSubId = getDefaultSubscriptionId();
+            if (!SubscriptionManager.isValidSubscriptionId(defaultSubId)) {
+                return DEFAULT_PUBLISH_TIMER_SEC;
+            }
+            try {
+                ProvisioningManager pm = ProvisioningManager.createForSubscriptionId(defaultSubId);
+                value = pm.getProvisioningIntValue(ProvisioningManager.KEY_RCS_PUBLISH_TIMER_SEC);
+            } catch (Exception ex) {
+                logger.warn("getPublishTimer, exception = " + ex.getMessage());
             }
         }
         if (value <= 0) {
-            value = (int)1200;
+            value = DEFAULT_PUBLISH_TIMER_SEC;
             logger.error("Failed to get PublishTimer, the default: " + value);
         }
         return value;
@@ -116,21 +128,20 @@ public class PresenceSetting {
     public static int getPublishTimerExtended() {
         int value = -1;
         if (sContext != null) {
-            ImsManager imsManager = ImsManager.getInstance(sContext, 0);
-            if (imsManager != null) {
-                try {
-                    ImsConfig imsConfig = imsManager.getConfigInterface();
-                    if (imsConfig != null) {
-                        value = imsConfig.getProvisionedValue(
-                                ImsConfig.ConfigConstants.PUBLISH_TIMER_EXTENDED);
-                        logger.debug("Read ImsConfig_PublishTimerExtended: " + value);
-                    }
-                } catch (ImsException ex) {
-                }
+            int defaultSubId = getDefaultSubscriptionId();
+            if (!SubscriptionManager.isValidSubscriptionId(defaultSubId)) {
+                return DEFAULT_PUBLISH_TIMER_EXTENDED_SEC;
+            }
+            try {
+                ProvisioningManager pm = ProvisioningManager.createForSubscriptionId(defaultSubId);
+                value = pm.getProvisioningIntValue(
+                        ProvisioningManager.KEY_RCS_PUBLISH_TIMER_EXTENDED_SEC);
+            } catch (Exception ex) {
+                logger.warn("getPublishTimerExtended, exception = " + ex.getMessage());
             }
         }
         if (value <= 0) {
-            value = (int)86400;
+            value = DEFAULT_PUBLISH_TIMER_EXTENDED_SEC;
             logger.error("Failed to get PublishTimerExtended, the default: " + value);
         }
         return value;
@@ -139,21 +150,21 @@ public class PresenceSetting {
     public static int getMaxNumberOfEntriesInRequestContainedList() {
         int value = -1;
         if (sContext != null) {
-            ImsManager imsManager = ImsManager.getInstance(sContext, 0);
-            if (imsManager != null) {
-                try {
-                    ImsConfig imsConfig = imsManager.getConfigInterface();
-                    if (imsConfig != null) {
-                        value = imsConfig.getProvisionedValue(
-                                ImsConfig.ConfigConstants.MAX_NUMENTRIES_IN_RCL);
-                        logger.debug("Read ImsConfig_MaxNumEntriesInRCL: " + value);
-                    }
-                } catch (ImsException ex) {
-                }
+            int defaultSubId = getDefaultSubscriptionId();
+            if (!SubscriptionManager.isValidSubscriptionId(defaultSubId)) {
+                return DEFAULT_NUM_ENTRIES_IN_RCL;
+            }
+            try {
+                ProvisioningManager pm = ProvisioningManager.createForSubscriptionId(defaultSubId);
+                value = pm.getProvisioningIntValue(
+                        ProvisioningManager.KEY_RCS_MAX_NUM_ENTRIES_IN_RCL);
+            } catch (Exception ex) {
+                logger.warn("getMaxNumberOfEntriesInRequestContainedList, exception = "
+                        + ex.getMessage());
             }
         }
         if (value <= 0) {
-            value = (int)100;
+            value = DEFAULT_NUM_ENTRIES_IN_RCL;
             logger.error("Failed to get MaxNumEntriesInRCL, the default: " + value);
         }
         return value;
@@ -162,24 +173,104 @@ public class PresenceSetting {
     public static int getCapabilityPollListSubscriptionExpiration() {
         int value = -1;
         if (sContext != null) {
-            ImsManager imsManager = ImsManager.getInstance(sContext, 0);
-            if (imsManager != null) {
-                try {
-                    ImsConfig imsConfig = imsManager.getConfigInterface();
-                    if (imsConfig != null) {
-                        value = imsConfig.getProvisionedValue(
-                                ImsConfig.ConfigConstants.CAPAB_POLL_LIST_SUB_EXP);
-                        logger.debug("Read ImsConfig_CapabPollListSubExp: " + value);
-                    }
-                } catch (ImsException ex) {
-                }
+            int defaultSubId = getDefaultSubscriptionId();
+            if (!SubscriptionManager.isValidSubscriptionId(defaultSubId)) {
+                return DEFAULT_CAPABILITY_POLL_LIST_SUB_EXPIRATION_SEC;
+            }
+            try {
+                ProvisioningManager pm = ProvisioningManager.createForSubscriptionId(defaultSubId);
+                value = pm.getProvisioningIntValue(
+                        ProvisioningManager.KEY_RCS_CAPABILITY_POLL_LIST_SUB_EXP_SEC);
+            } catch (Exception ex) {
+                logger.warn("getMaxNumberOfEntriesInRequestContainedList, exception = "
+                        + ex.getMessage());
             }
         }
         if (value <= 0) {
-            value = (int)30;
+            value = DEFAULT_CAPABILITY_POLL_LIST_SUB_EXPIRATION_SEC;
             logger.error("Failed to get CapabPollListSubExp, the default: " + value);
         }
         return value;
     }
+
+    /**
+     * Get VoLte provisioning configuration for the default voice subscription.
+     * @return {@link ProvisioningManager#PROVISIONING_VALUE_ENABLED} if VoLTE is provisioned,
+     * {@link ProvisioningManager#PROVISIONING_VALUE_DISABLED} if VoLTE is not provisioned, and
+     * {@link ProvisioningManager#PROVISIONING_RESULT_UNKNOWN} if there is no value set.
+     */
+    public static int getVoLteProvisioningConfig() {
+        try {
+            ProvisioningManager pm = ProvisioningManager.createForSubscriptionId(
+                    SubscriptionManager.getDefaultVoiceSubscriptionId());
+            return pm.getProvisioningIntValue(
+                    ProvisioningManager.KEY_VOLTE_PROVISIONING_STATUS);
+        } catch (Exception e) {
+            logger.warn("getVoLteProvisioningConfig, exception accessing ProvisioningManager, "
+                    + "exception=" + e.getMessage());
+            return ProvisioningManager.PROVISIONING_RESULT_UNKNOWN;
+        }
+    }
+
+    /**
+     * Get VT provisioning configuration for the default voice subscription.
+     * @return {@link ProvisioningManager#PROVISIONING_VALUE_ENABLED} if VT is provisioned,
+     * {@link ProvisioningManager#PROVISIONING_VALUE_DISABLED} if VT is not provisioned, nd
+     *      * {@link ProvisioningManager#PROVISIONING_RESULT_UNKNOWN} if there is no value set.
+     */
+    public static int getVtProvisioningConfig() {
+        try {
+            ProvisioningManager pm = ProvisioningManager.createForSubscriptionId(
+                    SubscriptionManager.getDefaultVoiceSubscriptionId());
+            return pm.getProvisioningIntValue(
+                    ProvisioningManager.KEY_VT_PROVISIONING_STATUS);
+        } catch (Exception e) {
+            logger.warn("getVtProvisioningConfig, exception accessing ProvisioningManager, "
+                    + "exception=" + e.getMessage());
+            return ProvisioningManager.PROVISIONING_RESULT_UNKNOWN;
+        }
+    }
+
+    /**
+     * Get EAB provisioning configuration for the default voice subscription.
+     * @return {@link ProvisioningManager#PROVISIONING_VALUE_ENABLED} if EAB is provisioned,
+     * {@link ProvisioningManager#PROVISIONING_VALUE_DISABLED} if EAB is not provisioned, nd
+     *      * {@link ProvisioningManager#PROVISIONING_RESULT_UNKNOWN} if there is no value set.
+     */
+    public static int getEabProvisioningConfig() {
+        try {
+            ProvisioningManager pm = ProvisioningManager.createForSubscriptionId(
+                    SubscriptionManager.getDefaultVoiceSubscriptionId());
+            return pm.getProvisioningIntValue(
+                    ProvisioningManager.KEY_EAB_PROVISIONING_STATUS);
+        } catch (Exception e) {
+            logger.warn("getEabProvisioningConfig, exception accessing ProvisioningManager, "
+                    + "exception=" + e.getMessage());
+            return ProvisioningManager.PROVISIONING_RESULT_UNKNOWN;
+        }
+    }
+
+    public static int getDefaultSubscriptionId() {
+        SubscriptionManager sm = sContext.getSystemService(SubscriptionManager.class);
+        if (sm == null) return SubscriptionManager.INVALID_SUBSCRIPTION_ID;
+        List<SubscriptionInfo> infos = sm.getActiveSubscriptionInfoList();
+        if (infos == null || infos.isEmpty()) {
+            // There are no active subscriptions right now.
+            return SubscriptionManager.INVALID_SUBSCRIPTION_ID;
+        }
+        // This code does not support MSIM unfortunately, so only provide presence on the default
+        // subscription that the user chose.
+        int defaultSub = SubscriptionManager.getDefaultSubscriptionId();
+        // If the user has no default set, just pick the first as backup.
+        if (defaultSub == SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
+            for (SubscriptionInfo info : infos) {
+                if (!info.isOpportunistic()) {
+                    defaultSub = info.getSubscriptionId();
+                    break;
+                }
+            }
+        }
+        return defaultSub;
+    }
 }
 
diff --git a/rcs/rcsservice/Android.bp b/rcs/rcsservice/Android.bp
index bb23348..775275b 100644
--- a/rcs/rcsservice/Android.bp
+++ b/rcs/rcsservice/Android.bp
@@ -38,11 +38,7 @@ java_library {
         "src/com/android/service/ims/Task.java",
         "src/com/android/service/ims/TaskManager.java",
         ":rcsmanager-utils"
-    ],
-    libs: [
-        "telephony-common",
-        "ims-common",
-    ],
+    ]
 }
 
 android_app {
diff --git a/rcs/rcsservice/src/com/android/service/ims/RcsService.java b/rcs/rcsservice/src/com/android/service/ims/RcsService.java
index f80e2e5..4bbc316 100644
--- a/rcs/rcsservice/src/com/android/service/ims/RcsService.java
+++ b/rcs/rcsservice/src/com/android/service/ims/RcsService.java
@@ -39,8 +39,8 @@ import android.os.Looper;
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.provider.Settings;
+import android.provider.Telephony;
 import android.telephony.AccessNetworkConstants;
-import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.telephony.ims.ImsException;
 import android.telephony.ims.ImsMmTelManager;
@@ -203,8 +203,8 @@ public class RcsService extends Service {
                 false, mObserver);
 
         mSiminfoSettingObserver = new SimInfoContentObserver();
-        getContentResolver().registerContentObserver(
-                SubscriptionManager.CONTENT_URI, false, mSiminfoSettingObserver);
+        getContentResolver().registerContentObserver(Telephony.SimInfo.CONTENT_URI, false,
+                mSiminfoSettingObserver);
 
         mRetryHandler = new Handler(Looper.getMainLooper());
         registerSubscriptionChangedListener();
@@ -229,54 +229,39 @@ public class RcsService extends Service {
             logger.warn("handleSubscriptionsChanged: SubscriptionManager is null!");
             return;
         }
-        List<SubscriptionInfo> infos = sm.getActiveSubscriptionInfoList();
-        if (infos == null || infos.isEmpty()) {
-            // There are no active subscriptions right now.
+        int defaultVoiceSub = RcsSettingUtils.getDefaultSubscriptionId(this);
+        if (defaultVoiceSub == SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
             handleImsServiceDown();
-        } else {
-            int defaultVoiceSub = SubscriptionManager.getDefaultVoiceSubscriptionId();
-            // Get default voice id and then try to register for IMS callbacks
-            if (defaultVoiceSub == SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
-                for (SubscriptionInfo info : infos) {
-                    if (!info.isOpportunistic()) {
-                        defaultVoiceSub = info.getSubscriptionId();
-                        break;
-                    }
-                }
-            }
-            if (defaultVoiceSub == SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
-                handleImsServiceDown();
+            return;
+        }
+
+        ImsMmTelManager mIms = ImsMmTelManager.createForSubscriptionId(defaultVoiceSub);
+        try {
+            if (defaultVoiceSub == mAssociatedSubscription) {
+                // Don't register duplicate callbacks for the same subscription.
                 return;
             }
-
-            ImsMmTelManager mIms = ImsMmTelManager.createForSubscriptionId(defaultVoiceSub);
-            try {
-                if (defaultVoiceSub == mAssociatedSubscription) {
-                    // Don't register duplicate callbacks for the same subscription.
-                    return;
-                }
-                if (mAssociatedSubscription != SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
-                    // Get rid of any existing registrations.
-                    ImsMmTelManager mOldIms = ImsMmTelManager.createForSubscriptionId(
-                            mAssociatedSubscription);
-                    mOldIms.unregisterImsRegistrationCallback(mImsRegistrationCallback);
-                    mOldIms.unregisterMmTelCapabilityCallback(mCapabilityCallback);
-                    logger.print("callbacks unregistered for sub " + mAssociatedSubscription);
-                }
-                // move over registrations.
-                mIms.registerImsRegistrationCallback(getMainExecutor(), mImsRegistrationCallback);
-                mIms.registerMmTelCapabilityCallback(getMainExecutor(), mCapabilityCallback);
-                mAssociatedSubscription = defaultVoiceSub;
-                logger.print("callbacks registered for sub " + mAssociatedSubscription);
-                handleImsServiceUp();
-            } catch (ImsException e) {
-                logger.info("Couldn't register callbacks for " + defaultVoiceSub + ": "
-                        + e.getMessage());
-                if (e.getCode() == ImsException.CODE_ERROR_SERVICE_UNAVAILABLE) {
-                    // IMS temporarily unavailable. Retry after a few seconds.
-                    mRetryHandler.removeCallbacks(mRegisterCallbacks);
-                    mRetryHandler.postDelayed(mRegisterCallbacks, IMS_SERVICE_RETRY_TIMEOUT_MS);
-                }
+            if (mAssociatedSubscription != SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
+                // Get rid of any existing registrations.
+                ImsMmTelManager mOldIms = ImsMmTelManager.createForSubscriptionId(
+                        mAssociatedSubscription);
+                mOldIms.unregisterImsRegistrationCallback(mImsRegistrationCallback);
+                mOldIms.unregisterMmTelCapabilityCallback(mCapabilityCallback);
+                logger.print("callbacks unregistered for sub " + mAssociatedSubscription);
+            }
+            // move over registrations.
+            mIms.registerImsRegistrationCallback(getMainExecutor(), mImsRegistrationCallback);
+            mIms.registerMmTelCapabilityCallback(getMainExecutor(), mCapabilityCallback);
+            mAssociatedSubscription = defaultVoiceSub;
+            logger.print("callbacks registered for sub " + mAssociatedSubscription);
+            handleImsServiceUp();
+        } catch (ImsException e) {
+            logger.info("Couldn't register callbacks for " + defaultVoiceSub + ": "
+                    + e.getMessage());
+            if (e.getCode() == ImsException.CODE_ERROR_SERVICE_UNAVAILABLE) {
+                // IMS temporarily unavailable. Retry after a few seconds.
+                mRetryHandler.removeCallbacks(mRegisterCallbacks);
+                mRetryHandler.postDelayed(mRegisterCallbacks, IMS_SERVICE_RETRY_TIMEOUT_MS);
             }
         }
     }
diff --git a/rcs/rcsservice/src/com/android/service/ims/RcsSettingUtils.java b/rcs/rcsservice/src/com/android/service/ims/RcsSettingUtils.java
index f5f893e..9c867d9 100644
--- a/rcs/rcsservice/src/com/android/service/ims/RcsSettingUtils.java
+++ b/rcs/rcsservice/src/com/android/service/ims/RcsSettingUtils.java
@@ -30,9 +30,12 @@ package com.android.service.ims;
 
 import android.content.Context;
 import android.os.PersistableBundle;
+import android.telephony.AccessNetworkConstants;
 import android.telephony.CarrierConfigManager;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
+import android.telephony.ims.ImsException;
+import android.telephony.ims.ImsMmTelManager;
 import android.telephony.ims.ProvisioningManager;
 import android.telephony.ims.feature.MmTelFeature;
 import android.telephony.ims.stub.ImsRegistrationImplBase;
@@ -40,50 +43,37 @@ import android.telephony.ims.stub.ImsRegistrationImplBase;
 import com.android.ims.internal.Logger;
 
 import java.util.List;
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.TimeUnit;
 
 public class RcsSettingUtils {
     static private Logger logger = Logger.getLogger("RcsSettingUtils");
+    private static final int TIMEOUT_GET_CONFIGURATION_MS = 5000;
 
-    // Values taken from ImsConfig - Should define in @SystemApi as well.
-    /**
-     * SIP T1 timer value in milliseconds. See RFC 3261 for definition.
-     * Value is in Integer format.
-     */
-    private static final int SIP_T1_TIMER = 7;
-    /**
-     * Whether or not capability discovery is provisioned.
-     */
-    private static final int CAPABILITY_DISCOVERY_ENABLED = 17;
-    /**
-     * period of time the availability information of a contact is cached on device.
-     * Value is in Integer format.
-     */
-    private static final int AVAILABILITY_CACHE_EXPIRATION = 19;
-    /**
-     * Minimum time between two published messages from the device.
-     * Value is in Integer format.
-     */
-    private static final int SOURCE_THROTTLE_PUBLISH = 21;
-    /**
-     * The Maximum number of MDNs contained in one Request Contained List.
-     * Value is in Integer format.
-     */
-    private static final int MAX_NUMENTRIES_IN_RCL = 22;
-    /**
-     * Expiration timer for subscription of a Request Contained List, used in capability
-     * polling.
-     * Value is in Integer format.
-     */
-    private static final int CAPAB_POLL_LIST_SUB_EXP = 23;
-    /**
-     * Provisioning status for Enhanced Address Book (EAB)
-     * Value is in Integer format.
-     */
-    private static final int EAB_SETTING_ENABLED = 25;
-    /**
-     * Whether or not mobile data is enabled currently.
-     */
-    private static final int MOBILE_DATA_ENABLED = 29;
+    // Default number of entries for getMaxNumbersInRCL
+    private static final int DEFAULT_NUM_ENTRIES_IN_RCL = 100;
+    // Default for getCapabPollListSubExp in seconds.
+    private static final int DEFAULT_CAPABILITY_POLL_LIST_SUB_EXPIRATION_SEC = 30;
+    // Default for getAvailabilityCacheExpiration in seconds.
+    private static final int DEFAULT_AVAILABILITY_CACHE_EXPIRATION_SEC = 30;
+    // Default for getPublishThrottle in milliseconds
+    private static final int DEFAULT_PUBLISH_THROTTLE_MS = 60000;
+
+    public static boolean isVoLteProvisioned(Context context) {
+        try {
+            boolean isProvisioned;
+            ProvisioningManager manager = ProvisioningManager.createForSubscriptionId(
+                    getDefaultSubscriptionId(context));
+            isProvisioned = manager.getProvisioningStatusForCapability(
+                    MmTelFeature.MmTelCapabilities.CAPABILITY_TYPE_VOICE,
+                    ImsRegistrationImplBase.REGISTRATION_TECH_LTE);
+            logger.debug("isVoLteProvisioned=" + isProvisioned);
+            return isProvisioned;
+        } catch (Exception e) {
+            logger.debug("isVoLteProvisioned, exception = " + e.getMessage());
+            return false;
+        }
+    }
 
     public static boolean isVowifiProvisioned(Context context) {
         try {
@@ -136,7 +126,8 @@ public class RcsSettingUtils {
         }
         try {
             ProvisioningManager manager = ProvisioningManager.createForSubscriptionId(subId);
-            isProvisioned = manager.getProvisioningIntValue(EAB_SETTING_ENABLED)
+            isProvisioned = manager.getProvisioningIntValue(
+                    ProvisioningManager.KEY_EAB_PROVISIONING_STATUS)
                     == ProvisioningManager.PROVISIONING_VALUE_ENABLED;
         } catch (Exception e) {
             logger.debug("isEabProvisioned: exception=" + e.getMessage());
@@ -150,7 +141,7 @@ public class RcsSettingUtils {
         try {
             ProvisioningManager manager = ProvisioningManager.createForSubscriptionId(
                     getDefaultSubscriptionId(context));
-            sipT1Timer = manager.getProvisioningIntValue(SIP_T1_TIMER);
+            sipT1Timer = manager.getProvisioningIntValue(ProvisioningManager.KEY_T1_TIMER_VALUE_MS);
         } catch (Exception e) {
             // If there is no active subscriptions, this will throw an exception.
             logger.debug("getSIPT1Timer: exception=" + e.getMessage());
@@ -167,8 +158,9 @@ public class RcsSettingUtils {
         try {
             ProvisioningManager manager = ProvisioningManager.createForSubscriptionId(
                     getDefaultSubscriptionId(context));
-            capabilityDiscoveryEnabled = manager.getProvisioningIntValue(CAPABILITY_DISCOVERY_ENABLED)
-                    == ProvisioningManager.PROVISIONING_VALUE_ENABLED;
+            capabilityDiscoveryEnabled = manager.getProvisioningIntValue(
+                    ProvisioningManager.KEY_RCS_CAPABILITY_DISCOVERY_ENABLED) ==
+                    ProvisioningManager.PROVISIONING_VALUE_ENABLED;
         } catch (Exception e) {
             // If there is no active subscriptions, this will throw an exception.
             logger.debug("capabilityDiscoveryEnabled: exception=" + e.getMessage());
@@ -181,11 +173,12 @@ public class RcsSettingUtils {
      * The Maximum number of MDNs contained in one Request Contained List.
      */
     public static int getMaxNumbersInRCL(Context context) {
-        int maxNumbersInRCL = 100;
+        int maxNumbersInRCL = DEFAULT_NUM_ENTRIES_IN_RCL;
         try {
             ProvisioningManager manager = ProvisioningManager.createForSubscriptionId(
                     getDefaultSubscriptionId(context));
-            maxNumbersInRCL = manager.getProvisioningIntValue(MAX_NUMENTRIES_IN_RCL);
+            maxNumbersInRCL = manager.getProvisioningIntValue(
+                    ProvisioningManager.KEY_RCS_MAX_NUM_ENTRIES_IN_RCL);
         } catch (Exception e) {
             // If there is no active subscriptions, this will throw an exception.
             logger.debug("getMaxNumbersInRCL: exception=" + e.getMessage());
@@ -198,11 +191,12 @@ public class RcsSettingUtils {
      * Expiration timer for subscription of a Request Contained List, used in capability polling.
      */
     public static int getCapabPollListSubExp(Context context) {
-        int capabPollListSubExp = 30;
+        int capabPollListSubExp = DEFAULT_CAPABILITY_POLL_LIST_SUB_EXPIRATION_SEC;
         try {
             ProvisioningManager manager = ProvisioningManager.createForSubscriptionId(
                     getDefaultSubscriptionId(context));
-            capabPollListSubExp = manager.getProvisioningIntValue(CAPAB_POLL_LIST_SUB_EXP);
+            capabPollListSubExp = manager.getProvisioningIntValue(
+                    ProvisioningManager.KEY_RCS_CAPABILITY_POLL_LIST_SUB_EXP_SEC);
         } catch (Exception e) {
             // If there is no active subscriptions, this will throw an exception.
             logger.debug("getCapabPollListSubExp: exception=" + e.getMessage());
@@ -215,12 +209,12 @@ public class RcsSettingUtils {
      * Period of time the availability information of a contact is cached on device.
      */
     public static int getAvailabilityCacheExpiration(Context context) {
-        int availabilityCacheExpiration = 30;
+        int availabilityCacheExpiration = DEFAULT_AVAILABILITY_CACHE_EXPIRATION_SEC;
         try {
             ProvisioningManager manager = ProvisioningManager.createForSubscriptionId(
                     getDefaultSubscriptionId(context));
             availabilityCacheExpiration = manager.getProvisioningIntValue(
-                    AVAILABILITY_CACHE_EXPIRATION);
+                    ProvisioningManager.KEY_RCS_AVAILABILITY_CACHE_EXPIRATION_SEC);
         } catch (Exception e) {
             // If there is no active subscriptions, this will throw an exception.
             logger.debug("getAvailabilityCacheExpiration: exception=" + e.getMessage());
@@ -229,53 +223,119 @@ public class RcsSettingUtils {
         return availabilityCacheExpiration;
     }
 
-    public static boolean isMobileDataEnabled(Context context) {
-        boolean mobileDataEnabled = false;
+    public static int getPublishThrottle(Context context) {
+        // Default
+        int publishThrottle = DEFAULT_PUBLISH_THROTTLE_MS;
         try {
             ProvisioningManager manager = ProvisioningManager.createForSubscriptionId(
                     getDefaultSubscriptionId(context));
-            mobileDataEnabled = manager.getProvisioningIntValue(MOBILE_DATA_ENABLED)
-                    == ProvisioningManager.PROVISIONING_VALUE_ENABLED;
+            publishThrottle = manager.getProvisioningIntValue(
+                    ProvisioningManager.KEY_RCS_PUBLISH_SOURCE_THROTTLE_MS);
         } catch (Exception e) {
             // If there is no active subscriptions, this will throw an exception.
-            logger.debug("isMobileDataEnabled: exception=" + e.getMessage());
+            logger.debug("publishThrottle: exception=" + e.getMessage());
         }
-        logger.debug("mobileDataEnabled=" + mobileDataEnabled);
-        return mobileDataEnabled;
+        logger.debug("publishThrottle=" + publishThrottle);
+        return publishThrottle;
     }
 
-    public static void setMobileDataEnabled(Context context, boolean mobileDataEnabled) {
-        logger.debug("mobileDataEnabled=" + mobileDataEnabled);
+    public static boolean isVtEnabledByUser(Context context) {
         try {
-            ProvisioningManager manager = ProvisioningManager.createForSubscriptionId(
+            ImsMmTelManager mmTelManager = ImsMmTelManager.createForSubscriptionId(
                     getDefaultSubscriptionId(context));
-            manager.setProvisioningIntValue(MOBILE_DATA_ENABLED, mobileDataEnabled ?
-                    ProvisioningManager.PROVISIONING_VALUE_ENABLED :
-                    ProvisioningManager.PROVISIONING_VALUE_DISABLED);
+            return mmTelManager.isVtSettingEnabled();
         } catch (Exception e) {
-            // If there is no active subscriptions, this will throw an exception.
-            logger.debug("mobileDataEnabled: exception=" + e.getMessage());
+            logger.warn("isVtEnabledByUser exception = " + e.getMessage());
+            return false;
         }
     }
 
-    public static int getPublishThrottle(Context context) {
-        // Default
-        int publishThrottle = 60000;
+    public static boolean isWfcEnabledByUser(Context context) {
         try {
-            ProvisioningManager manager = ProvisioningManager.createForSubscriptionId(
+            ImsMmTelManager mmTelManager = ImsMmTelManager.createForSubscriptionId(
                     getDefaultSubscriptionId(context));
-            publishThrottle = manager.getProvisioningIntValue(SOURCE_THROTTLE_PUBLISH);
+        return mmTelManager.isVoWiFiSettingEnabled();
         } catch (Exception e) {
-            // If there is no active subscriptions, this will throw an exception.
-            logger.debug("publishThrottle: exception=" + e.getMessage());
+            logger.warn("isWfcEnabledByUser exception = " + e.getMessage());
+            return false;
+        }
+    }
+
+    public static boolean isAdvancedCallingEnabledByUser(Context context) {
+        try {
+            ImsMmTelManager mmTelManager = ImsMmTelManager.createForSubscriptionId(
+                    getDefaultSubscriptionId(context));
+            return mmTelManager.isAdvancedCallingSettingEnabled();
+        } catch (Exception e) {
+            logger.warn("isAdvancedCallingEnabledByUser exception = " + e.getMessage());
+            return false;
+        }
+    }
+
+    public static boolean isVoLteSupported(Context context) {
+        LinkedBlockingQueue<Boolean> resultQueue = new LinkedBlockingQueue<>(1);
+        try {
+            ImsMmTelManager mmTelManager = ImsMmTelManager.createForSubscriptionId(
+                    getDefaultSubscriptionId(context));
+            mmTelManager.isSupported(MmTelFeature.MmTelCapabilities.CAPABILITY_TYPE_VOICE,
+                    AccessNetworkConstants.TRANSPORT_TYPE_WWAN, Runnable::run, resultQueue::offer);
+        } catch (ImsException e) {
+            logger.warn("isVoLteSupported: ImsException = " + e.getMessage());
+            return false;
+        }
+        try {
+            Boolean result = resultQueue.poll(TIMEOUT_GET_CONFIGURATION_MS, TimeUnit.MILLISECONDS);
+            return (result != null) ? result : false;
+        } catch (InterruptedException e) {
+            logger.warn("isVoLteSupported, InterruptedException=" + e.getMessage());
+            return false;
+        }
+    }
+
+    public static boolean isVoWiFiSupported(Context context) {
+        LinkedBlockingQueue<Boolean> resultQueue = new LinkedBlockingQueue<>(1);
+        try {
+            ImsMmTelManager mmTelManager = ImsMmTelManager.createForSubscriptionId(
+                    getDefaultSubscriptionId(context));
+            mmTelManager.isSupported(MmTelFeature.MmTelCapabilities.CAPABILITY_TYPE_VOICE,
+                    AccessNetworkConstants.TRANSPORT_TYPE_WLAN, Runnable::run, resultQueue::offer);
+        } catch (ImsException e) {
+            logger.warn("isVoWiFiSupported: ImsException = " + e.getMessage());
+            return false;
+        }
+        try {
+            Boolean result = resultQueue.poll(TIMEOUT_GET_CONFIGURATION_MS, TimeUnit.MILLISECONDS);
+            return (result != null) ? result : false;
+        } catch (InterruptedException e) {
+            logger.warn("isVoWiFiSupported, InterruptedException=" + e.getMessage());
+            return false;
+        }
+    }
+
+    public static boolean isVtSupported(Context context) {
+        LinkedBlockingQueue<Boolean> resultQueue = new LinkedBlockingQueue<>(1);
+        try {
+            ImsMmTelManager mmTelManager = ImsMmTelManager.createForSubscriptionId(
+                    getDefaultSubscriptionId(context));
+            mmTelManager.isSupported(MmTelFeature.MmTelCapabilities.CAPABILITY_TYPE_VIDEO,
+                    AccessNetworkConstants.TRANSPORT_TYPE_WWAN, Runnable::run, resultQueue::offer);
+        } catch (ImsException e) {
+            logger.warn("isVoWiFiSupported: ImsException = " + e.getMessage());
+            return false;
+        }
+        try {
+            Boolean result = resultQueue.poll(TIMEOUT_GET_CONFIGURATION_MS, TimeUnit.MILLISECONDS);
+            return (result != null) ? result : false;
+        } catch (InterruptedException e) {
+            logger.warn("isVtSupported, InterruptedException=" + e.getMessage());
+            return false;
         }
-        logger.debug("publishThrottle=" + publishThrottle);
-        return publishThrottle;
     }
 
-    private static int getDefaultSubscriptionId(Context context) {
+    public static int getDefaultSubscriptionId(Context context) {
         SubscriptionManager sm = context.getSystemService(SubscriptionManager.class);
-        List<SubscriptionInfo> infos = sm.getActiveSubscriptionInfoList();
+        if (sm == null) return SubscriptionManager.INVALID_SUBSCRIPTION_ID;
+            List<SubscriptionInfo> infos = sm.getActiveSubscriptionInfoList();
         if (infos == null || infos.isEmpty()) {
             // There are no active subscriptions right now.
             return SubscriptionManager.INVALID_SUBSCRIPTION_ID;
diff --git a/rcs/rcsservice/src/com/android/service/ims/presence/PresenceBase.java b/rcs/rcsservice/src/com/android/service/ims/presence/PresenceBase.java
index 9ffcba1..6a82d6b 100644
--- a/rcs/rcsservice/src/com/android/service/ims/presence/PresenceBase.java
+++ b/rcs/rcsservice/src/com/android/service/ims/presence/PresenceBase.java
@@ -31,10 +31,10 @@ package com.android.service.ims.presence;
 import android.annotation.IntDef;
 import android.content.Context;
 import android.content.Intent;
+import android.telephony.ims.ImsManager;
 
 import com.android.ims.ResultCode;
 import com.android.ims.internal.Logger;
-import com.android.internal.telephony.TelephonyIntents;
 import com.android.service.ims.Task;
 import com.android.service.ims.TaskManager;
 
@@ -184,7 +184,7 @@ public class PresenceBase {
     protected void notifyDm() {
         logger.debug("notifyDm");
         Intent intent = new Intent(
-                TelephonyIntents.ACTION_FORBIDDEN_NO_SERVICE_AUTHORIZATION);
+                ImsManager.ACTION_FORBIDDEN_NO_SERVICE_AUTHORIZATION);
         intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING);
 
         mContext.sendBroadcast(intent);
diff --git a/rcs/rcsservice/src/com/android/service/ims/presence/PresencePublication.java b/rcs/rcsservice/src/com/android/service/ims/presence/PresencePublication.java
index 62c5091..3d902b5 100644
--- a/rcs/rcsservice/src/com/android/service/ims/presence/PresencePublication.java
+++ b/rcs/rcsservice/src/com/android/service/ims/presence/PresencePublication.java
@@ -43,17 +43,14 @@ import android.provider.Settings;
 import android.telecom.PhoneAccount;
 import android.telecom.TelecomManager;
 import android.telephony.AccessNetworkConstants;
-import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
 import android.telephony.ims.RcsContactUceCapability;
 import android.telephony.ims.feature.MmTelFeature;
 
 import com.android.ims.ImsConfig;
-import com.android.ims.ImsManager;
 import com.android.ims.ResultCode;
 import com.android.ims.internal.Logger;
 import com.android.internal.telephony.IccCardConstants;
-import com.android.internal.telephony.Phone;
 import com.android.internal.telephony.TelephonyIntents;
 import com.android.service.ims.RcsSettingUtils;
 import com.android.service.ims.Task;
@@ -95,7 +92,7 @@ public class PresencePublication extends PresenceBase {
     private boolean mGotTriggerFromStack = false;
     private boolean mDonotRetryUntilPowerCycle = false;
     private boolean mSimLoaded = false;
-    private int mPreferredTtyMode = Phone.TTY_MODE_OFF;
+    private int mPreferredTtyMode = TelecomManager.TTY_MODE_OFF;
 
     private boolean mImsRegistered = false;
     private boolean mVtEnabled = false;
@@ -160,19 +157,14 @@ public class PresencePublication extends PresenceBase {
         mConfigVolteProvisionErrorOnPublishResponse = configVolteProvisionErrorOnPublishResponse;
         mConfigRcsProvisionErrorOnPublishResponse = configRcsProvisionErrorOnPublishResponse;
 
-        mVtEnabled = getImsManager().isVtEnabledByUser();
+        mVtEnabled = RcsSettingUtils.isVtEnabledByUser(mContext);
 
         mDataEnabled = Settings.Global.getInt(mContext.getContentResolver(),
                     Settings.Global.MOBILE_DATA, 1) == 1;
-        new Thread(() -> {
-            RcsSettingUtils.setMobileDataEnabled(mContext, mDataEnabled);
-        }).start();
         logger.debug("The current mobile data is: " + (mDataEnabled ? "enabled" : "disabled"));
 
-        mPreferredTtyMode = Settings.Secure.getInt(
-                mContext.getContentResolver(),
-                Settings.Secure.PREFERRED_TTY_MODE,
-                Phone.TTY_MODE_OFF);
+        TelecomManager tm = mContext.getSystemService(TelecomManager.class);
+        mPreferredTtyMode = tm.getCurrentTtyMode();
         logger.debug("The current TTY mode is: " + mPreferredTtyMode);
 
         mReceiver = new BroadcastReceiver() {
@@ -242,7 +234,6 @@ public class PresencePublication extends PresenceBase {
                     int newPreferredTtyMode = intent.getIntExtra(
                             TelecomManager.EXTRA_TTY_PREFERRED_MODE,
                             TelecomManager.TTY_MODE_OFF);
-                    newPreferredTtyMode = telecomTtyModeToPhoneMode(newPreferredTtyMode);
                     logger.debug("Tty mode changed from " + mPreferredTtyMode
                             + " to " + newPreferredTtyMode);
 
@@ -277,23 +268,22 @@ public class PresencePublication extends PresenceBase {
         sPresencePublication = this;
     }
 
-    private boolean isIPVoiceSupported(boolean volteAvailable, boolean vtAvailable,
-            boolean voWifiAvailable, boolean viWifiAvailable) {
-        ImsManager imsManager = getImsManager();
+    private boolean isIPVoiceSupported(boolean volteAvailable, boolean voWifiAvailable) {
         // volte and vowifi can be enabled separately
-        if(!imsManager.isVolteEnabledByPlatform() && !imsManager.isWfcEnabledByPlatform()) {
+        if(!RcsSettingUtils.isVoLteSupported(mContext) &&
+                !RcsSettingUtils.isVoWiFiSupported(mContext)) {
             logger.print("Disabled by platform, voiceSupported=false");
             return false;
         }
 
-        if(!imsManager.isVolteProvisionedOnDevice() &&
+        if(!RcsSettingUtils.isVoLteProvisioned(mContext) &&
                 !RcsSettingUtils.isVowifiProvisioned(mContext)) {
             logger.print("Wasn't provisioned, voiceSupported=false");
             return false;
         }
 
-        if(!imsManager.isEnhanced4gLteModeSettingEnabledByUser() &&
-                !imsManager.isWfcEnabledByUser()){
+        if(!RcsSettingUtils.isAdvancedCallingEnabledByUser(mContext) &&
+                !RcsSettingUtils.isWfcEnabledByUser(mContext)){
             logger.print("User didn't enable volte or wfc, voiceSupported=false");
             return false;
         }
@@ -320,24 +310,21 @@ public class PresencePublication extends PresenceBase {
         return true;
     }
 
-    private boolean isIPVideoSupported(boolean volteAvailable, boolean vtAvailable,
-            boolean voWifiAvailable, boolean viWifiAvailable) {
-        ImsManager imsManager = getImsManager();
+    private boolean isIPVideoSupported(boolean vtAvailable, boolean viWifiAvailable) {
         // if volte or vt was disabled then the viwifi will be disabled as well.
-        if(!imsManager.isVolteEnabledByPlatform() ||
-                !imsManager.isVtEnabledByPlatform()) {
+        if(!RcsSettingUtils.isVoLteSupported(mContext) ||
+                !RcsSettingUtils.isVtSupported(mContext)) {
             logger.print("Disabled by platform, videoSupported=false");
             return false;
         }
 
-        if(!imsManager.isVolteProvisionedOnDevice() ||
+        if(!RcsSettingUtils.isVoLteProvisioned(mContext) ||
                 !RcsSettingUtils.isLvcProvisioned(mContext)) {
             logger.print("Not provisioned. videoSupported=false");
             return false;
         }
 
-        if(!imsManager.isEnhanced4gLteModeSettingEnabledByUser() ||
-                !mVtEnabled){
+        if(!RcsSettingUtils.isAdvancedCallingEnabledByUser(mContext) || !mVtEnabled){
             logger.print("User disabled volte or vt, videoSupported=false");
             return false;
         }
@@ -434,7 +421,6 @@ public class PresencePublication extends PresenceBase {
         logger.print("onMobileDataChanged, mDataEnabled=" + mDataEnabled + " value=" + value);
         if(mDataEnabled != value) {
             mDataEnabled = value;
-            RcsSettingUtils.setMobileDataEnabled(mContext, mDataEnabled);
 
             requestLocalPublish(PublishType.PRES_PUBLISH_TRIGGER_DATA_CHANGED);
         }
@@ -703,14 +689,8 @@ public class PresencePublication extends PresenceBase {
         }
 
         public void refreshPublishContent() {
-            mVolteCapable = isIPVoiceSupported(mIsVolteAvailable,
-                mIsVtAvailable,
-                mIsVoWifiAvailable,
-                mIsViWifiAvailable);
-            mVtCapable = isIPVideoSupported(mIsVolteAvailable,
-                mIsVtAvailable,
-                mIsVoWifiAvailable,
-                mIsViWifiAvailable);
+            mVolteCapable = isIPVoiceSupported(mIsVolteAvailable, mIsVoWifiAvailable);
+            mVtCapable = isIPVideoSupported(mIsVtAvailable, mIsViWifiAvailable);
         }
 
         public boolean getForceToNetwork() {
@@ -889,7 +869,7 @@ public class PresencePublication extends PresenceBase {
 
         // we need send PUBLISH once even the volte is off when power on the phone.
         // That will tell other phone that it has no volte/vt capability.
-        if(!getImsManager().isEnhanced4gLteModeSettingEnabledByUser() &&
+        if(!RcsSettingUtils.isAdvancedCallingEnabledByUser(mContext) &&
                 getPublishState() != PUBLISH_STATE_NOT_PUBLISHED) {
              // volte was not enabled.
              // or it is turnning off volte. lower layer should unpublish
@@ -1055,21 +1035,7 @@ public class PresencePublication extends PresenceBase {
     }
 
     private static boolean isTtyEnabled(int mode) {
-        return Phone.TTY_MODE_OFF != mode;
-    }
-
-    private static int telecomTtyModeToPhoneMode(int telecomMode) {
-        switch (telecomMode) {
-            case TelecomManager.TTY_MODE_FULL:
-                return Phone.TTY_MODE_FULL;
-            case TelecomManager.TTY_MODE_VCO:
-                return Phone.TTY_MODE_VCO;
-            case TelecomManager.TTY_MODE_HCO:
-                return Phone.TTY_MODE_HCO;
-            case TelecomManager.TTY_MODE_OFF:
-            default:
-                return Phone.TTY_MODE_OFF;
-        }
+        return TelecomManager.TTY_MODE_OFF != mode;
     }
 
     public void finish() {
@@ -1165,9 +1131,4 @@ public class PresencePublication extends PresenceBase {
             // Had reported IWLAN by trigger and still have DATA.
             return mMovedToIWLAN && (networkType != TelephonyManager.NETWORK_TYPE_UNKNOWN);
     }
-
-
-    private ImsManager getImsManager() {
-        return ImsManager.getInstance(mContext, SubscriptionManager.getDefaultVoicePhoneId());
-    }
 }
diff --git a/rcs/rcsservice/src/com/android/service/ims/presence/PresenceSubscriber.java b/rcs/rcsservice/src/com/android/service/ims/presence/PresenceSubscriber.java
index 9a7e6f9..632e0f5 100644
--- a/rcs/rcsservice/src/com/android/service/ims/presence/PresenceSubscriber.java
+++ b/rcs/rcsservice/src/com/android/service/ims/presence/PresenceSubscriber.java
@@ -65,20 +65,22 @@ public class PresenceSubscriber extends PresenceBase {
         mConfigRcsProvisionErrorOnSubscribeResponse = configRcsProvisionErrorOnSubscribeResponse;
     }
 
-    private String numberToUriString(String number){
-        String formatedContact = number;
-        if(!formatedContact.startsWith("sip:") && !formatedContact.startsWith("tel:")){
-            String domain = TelephonyManager.getDefault().getIsimDomain();
+    private String numberToUriString(String number) {
+        String formattedContact = number;
+        TelephonyManager tm = mContext.getSystemService(TelephonyManager.class);
+        if (tm != null && !formattedContact.startsWith("sip:")
+                && !formattedContact.startsWith("tel:")){
+            String domain = tm.getIsimDomain();
             logger.debug("domain=" + domain);
-            if(domain == null || domain.length() ==0){
-                formatedContact = "tel:" + formatedContact;
-            }else{
-                formatedContact = "sip:" + formatedContact + "@" + domain;
+            if (domain == null || domain.length() == 0){
+                formattedContact = "tel:" + formattedContact;
+            } else {
+                formattedContact = "sip:" + formattedContact + "@" + domain;
             }
         }
 
-        logger.print("numberToUriString formatedContact=" + formatedContact);
-        return formatedContact;
+        logger.print("numberToUriString formattedContact=" + formattedContact);
+        return formattedContact;
     }
 
     private String numberToTelString(String number){
@@ -183,11 +185,9 @@ public class PresenceSubscriber extends PresenceBase {
             }
         }
 
-        boolean isFtSupported = false; // hard code to not support FT at present.
-        boolean isChatSupported = false;  // hard code to not support chat at present.
         // Only poll/fetch capability/availability on LTE
-        if(((TelephonyManager.getDefault().getNetworkType() != TelephonyManager.NETWORK_TYPE_LTE)
-                && !isFtSupported && !isChatSupported)){
+        TelephonyManager tm = mContext.getSystemService(TelephonyManager.class);
+        if(tm == null || (tm.getDataNetworkType() != TelephonyManager.NETWORK_TYPE_LTE)) {
             logger.error("requestAvailability return ERROR_SERVICE_NOT_AVAILABLE" +
                     " for it is not LTE network");
             return ResultCode.ERROR_SERVICE_NOT_AVAILABLE;