diff --git a/cmds/telecom/Android.bp b/cmds/telecom/Android.bp
index be02710..494d2ae3 100644
--- a/cmds/telecom/Android.bp
+++ b/cmds/telecom/Android.bp
@@ -21,5 +21,8 @@
 java_binary {
     name: "telecom",
     wrapper: "telecom.sh",
-    srcs: ["**/*.java"],
+    srcs: [
+        ":telecom-shell-commands-src",
+        "**/*.java",
+    ],
 }
diff --git a/cmds/telecom/src/com/android/commands/telecom/Telecom.java b/cmds/telecom/src/com/android/commands/telecom/Telecom.java
index 1488e14cf..50af5a7 100644
--- a/cmds/telecom/src/com/android/commands/telecom/Telecom.java
+++ b/cmds/telecom/src/com/android/commands/telecom/Telecom.java
@@ -17,30 +17,22 @@
 package com.android.commands.telecom;
 
 import android.app.ActivityThread;
-import android.content.ComponentName;
 import android.content.Context;
-import android.net.Uri;
-import android.os.IUserManager;
 import android.os.Looper;
-import android.os.Process;
-import android.os.RemoteException;
 import android.os.ServiceManager;
-import android.os.UserHandle;
-import android.sysprop.TelephonyProperties;
-import android.telecom.Log;
-import android.telecom.PhoneAccount;
-import android.telecom.PhoneAccountHandle;
-import android.telephony.TelephonyManager;
-import android.text.TextUtils;
 
-import com.android.internal.os.BaseCommand;
 import com.android.internal.telecom.ITelecomService;
+import com.android.server.telecom.TelecomShellCommand;
 
-import java.io.PrintStream;
-import java.util.Arrays;
-import java.util.stream.Collectors;
+import java.io.FileDescriptor;
 
-public final class Telecom extends BaseCommand {
+/**
+ * @deprecated Use {@code com.android.server.telecom.TelecomShellCommand} instead and execute the
+ * shell command using {@code adb shell cmd telecom...}. This is only here for backwards
+ * compatibility reasons.
+ */
+@Deprecated
+public final class Telecom {
 
     /**
      * Command-line entry point.
@@ -52,458 +44,11 @@
         // TODO: Do it in zygote and RuntimeInit. b/148897549
         ActivityThread.initializeMainlineModules();
 
-      (new Telecom()).run(args);
-    }
-    private static final String CALLING_PACKAGE = Telecom.class.getPackageName();
-    private static final String COMMAND_SET_PHONE_ACCOUNT_ENABLED = "set-phone-account-enabled";
-    private static final String COMMAND_SET_PHONE_ACCOUNT_DISABLED = "set-phone-account-disabled";
-    private static final String COMMAND_REGISTER_PHONE_ACCOUNT = "register-phone-account";
-    private static final String COMMAND_SET_USER_SELECTED_OUTGOING_PHONE_ACCOUNT =
-            "set-user-selected-outgoing-phone-account";
-    private static final String COMMAND_REGISTER_SIM_PHONE_ACCOUNT = "register-sim-phone-account";
-    private static final String COMMAND_SET_TEST_CALL_REDIRECTION_APP = "set-test-call-redirection-app";
-    private static final String COMMAND_SET_TEST_CALL_SCREENING_APP = "set-test-call-screening-app";
-    private static final String COMMAND_ADD_OR_REMOVE_CALL_COMPANION_APP =
-            "add-or-remove-call-companion-app";
-    private static final String COMMAND_SET_PHONE_ACCOUNT_SUGGESTION_COMPONENT =
-            "set-phone-acct-suggestion-component";
-    private static final String COMMAND_UNREGISTER_PHONE_ACCOUNT = "unregister-phone-account";
-    private static final String COMMAND_SET_CALL_DIAGNOSTIC_SERVICE = "set-call-diagnostic-service";
-    private static final String COMMAND_SET_DEFAULT_DIALER = "set-default-dialer";
-    private static final String COMMAND_GET_DEFAULT_DIALER = "get-default-dialer";
-    private static final String COMMAND_STOP_BLOCK_SUPPRESSION = "stop-block-suppression";
-    private static final String COMMAND_CLEANUP_STUCK_CALLS = "cleanup-stuck-calls";
-    private static final String COMMAND_CLEANUP_ORPHAN_PHONE_ACCOUNTS =
-            "cleanup-orphan-phone-accounts";
-    private static final String COMMAND_RESET_CAR_MODE = "reset-car-mode";
-    private static final String COMMAND_IS_NON_IN_CALL_SERVICE_BOUND =
-            "is-non-ui-in-call-service-bound";
-
-    /**
-     * Change the system dialer package name if a package name was specified,
-     * Example: adb shell telecom set-system-dialer <PACKAGE>
-     *
-     * Restore it to the default if if argument is "default" or no argument is passed.
-     * Example: adb shell telecom set-system-dialer default
-     */
-    private static final String COMMAND_SET_SYSTEM_DIALER = "set-system-dialer";
-    private static final String COMMAND_GET_SYSTEM_DIALER = "get-system-dialer";
-    private static final String COMMAND_WAIT_ON_HANDLERS = "wait-on-handlers";
-    private static final String COMMAND_SET_SIM_COUNT = "set-sim-count";
-    private static final String COMMAND_GET_SIM_CONFIG = "get-sim-config";
-    private static final String COMMAND_GET_MAX_PHONES = "get-max-phones";
-    private static final String COMMAND_SET_TEST_EMERGENCY_PHONE_ACCOUNT_PACKAGE_FILTER =
-            "set-test-emergency-phone-account-package-filter";
-    /**
-     * Command used to emit a distinct "mark" in the logs.
-     */
-    private static final String COMMAND_LOG_MARK = "log-mark";
-
-    private ComponentName mComponent;
-    private String mAccountId;
-    private ITelecomService mTelecomService;
-    private TelephonyManager mTelephonyManager;
-    private IUserManager mUserManager;
-
-    @Override
-    public void onShowUsage(PrintStream out) {
-        out.println("usage: telecom [subcommand] [options]\n"
-                + "usage: telecom set-phone-account-enabled <COMPONENT> <ID> <USER_SN>\n"
-                + "usage: telecom set-phone-account-disabled <COMPONENT> <ID> <USER_SN>\n"
-                + "usage: telecom register-phone-account <COMPONENT> <ID> <USER_SN> <LABEL>\n"
-                + "usage: telecom register-sim-phone-account [-e] <COMPONENT> <ID> <USER_SN>"
-                        + " <LABEL>: registers a PhoneAccount with CAPABILITY_SIM_SUBSCRIPTION"
-                        + " and optionally CAPABILITY_PLACE_EMERGENCY_CALLS if \"-e\" is provided\n"
-                + "usage: telecom set-user-selected-outgoing-phone-account [-e] <COMPONENT> <ID> "
-                + "<USER_SN>\n"
-                + "usage: telecom set-test-call-redirection-app <PACKAGE>\n"
-                + "usage: telecom set-test-call-screening-app <PACKAGE>\n"
-                + "usage: telecom set-phone-acct-suggestion-component <COMPONENT>\n"
-                + "usage: telecom add-or-remove-call-companion-app <PACKAGE> <1/0>\n"
-                + "usage: telecom register-sim-phone-account <COMPONENT> <ID> <USER_SN>"
-                + " <LABEL> <ADDRESS>\n"
-                + "usage: telecom unregister-phone-account <COMPONENT> <ID> <USER_SN>\n"
-                + "usage: telecom set-call-diagnostic-service <PACKAGE>\n"
-                + "usage: telecom set-default-dialer <PACKAGE>\n"
-                + "usage: telecom get-default-dialer\n"
-                + "usage: telecom get-system-dialer\n"
-                + "usage: telecom wait-on-handlers\n"
-                + "usage: telecom set-sim-count <COUNT>\n"
-                + "usage: telecom get-sim-config\n"
-                + "usage: telecom get-max-phones\n"
-                + "usage: telecom stop-block-suppression: Stop suppressing the blocked number"
-                        + " provider after a call to emergency services.\n"
-                + "usage: telecom cleanup-stuck-calls: Clear any disconnected calls that have"
-                + " gotten wedged in Telecom.\n"
-                + "usage: telecom cleanup-orphan-phone-accounts: remove any phone accounts that"
-                + " no longer have a valid UserHandle or accounts that no longer belongs to an"
-                + " installed package.\n"
-                + "usage: telecom set-emer-phone-account-filter <PACKAGE>\n"
-                + "\n"
-                + "telecom set-phone-account-enabled: Enables the given phone account, if it has"
-                        + " already been registered with Telecom.\n"
-                + "\n"
-                + "telecom set-phone-account-disabled: Disables the given phone account, if it"
-                        + " has already been registered with telecom.\n"
-                + "\n"
-                + "telecom set-call-diagnostic-service: overrides call diagnostic service.\n"
-                + "telecom set-default-dialer: Sets the override default dialer to the given"
-                        + " component; this will override whatever the dialer role is set to.\n"
-                + "\n"
-                + "telecom get-default-dialer: Displays the current default dialer.\n"
-                + "\n"
-                + "telecom get-system-dialer: Displays the current system dialer.\n"
-                + "telecom set-system-dialer: Set the override system dialer to the given"
-                        + " component. To remove the override, send \"default\"\n"
-                + "\n"
-                + "telecom wait-on-handlers: Wait until all handlers finish their work.\n"
-                + "\n"
-                + "telecom set-sim-count: Set num SIMs (2 for DSDS, 1 for single SIM."
-                        + " This may restart the device.\n"
-                + "\n"
-                + "telecom get-sim-config: Get the mSIM config string. \"DSDS\" for DSDS mode,"
-                        + " or \"\" for single SIM\n"
-                + "\n"
-                + "telecom get-max-phones: Get the max supported phones from the modem.\n"
-                + "telecom set-test-emergency-phone-account-package-filter <PACKAGE>: sets a"
-                        + " package name that will be used for test emergency calls. To clear,"
-                        + " send an empty package name. Real emergency calls will still be placed"
-                        + " over Telephony.\n"
-                + "telecom log-mark <MESSAGE>: emits a message into the telecom logs.  Useful for "
-                        + "testers to indicate where in the logs various test steps take place.\n"
-                + "telecom is-non-ui-in-call-service-bound <PACKAGE>: queries a particular "
-                + "non-ui-InCallService in InCallController to determine if it is bound \n"
-        );
-    }
-
-    @Override
-    public void onRun() throws Exception {
-        mTelecomService = ITelecomService.Stub.asInterface(
-                ServiceManager.getService(Context.TELECOM_SERVICE));
-        if (mTelecomService == null) {
-            Log.w(this, "onRun: Can't access telecom manager.");
-            showError("Error: Could not access the Telecom Manager. Is the system running?");
-            return;
-        }
-
         Looper.prepareMainLooper();
+        ITelecomService service = ITelecomService.Stub.asInterface(
+                ServiceManager.getService(Context.TELECOM_SERVICE));
         Context context = ActivityThread.systemMain().getSystemContext();
-        mTelephonyManager = context.getSystemService(TelephonyManager.class);
-        if (mTelephonyManager == null) {
-            Log.w(this, "onRun: Can't access telephony service.");
-            showError("Error: Could not access the Telephony Service. Is the system running?");
-            return;
-        }
-
-        mUserManager = IUserManager.Stub
-                .asInterface(ServiceManager.getService(Context.USER_SERVICE));
-        if (mUserManager == null) {
-            Log.w(this, "onRun: Can't access user manager.");
-            showError("Error: Could not access the User Manager. Is the system running?");
-            return;
-        }
-        Log.i(this, "onRun: parsing command.");
-        String command = nextArgRequired();
-        switch (command) {
-            case COMMAND_SET_PHONE_ACCOUNT_ENABLED:
-                runSetPhoneAccountEnabled(true);
-                break;
-            case COMMAND_SET_PHONE_ACCOUNT_DISABLED:
-                runSetPhoneAccountEnabled(false);
-                break;
-            case COMMAND_REGISTER_PHONE_ACCOUNT:
-                runRegisterPhoneAccount();
-                break;
-            case COMMAND_SET_TEST_CALL_REDIRECTION_APP:
-                runSetTestCallRedirectionApp();
-                break;
-            case COMMAND_SET_TEST_CALL_SCREENING_APP:
-                runSetTestCallScreeningApp();
-                break;
-            case COMMAND_ADD_OR_REMOVE_CALL_COMPANION_APP:
-                runAddOrRemoveCallCompanionApp();
-                break;
-            case COMMAND_SET_PHONE_ACCOUNT_SUGGESTION_COMPONENT:
-                runSetTestPhoneAcctSuggestionComponent();
-                break;
-            case COMMAND_SET_CALL_DIAGNOSTIC_SERVICE:
-                runSetCallDiagnosticService();
-                break;
-            case COMMAND_REGISTER_SIM_PHONE_ACCOUNT:
-                runRegisterSimPhoneAccount();
-                break;
-            case COMMAND_SET_USER_SELECTED_OUTGOING_PHONE_ACCOUNT:
-                runSetUserSelectedOutgoingPhoneAccount();
-                break;
-            case COMMAND_UNREGISTER_PHONE_ACCOUNT:
-                runUnregisterPhoneAccount();
-                break;
-            case COMMAND_STOP_BLOCK_SUPPRESSION:
-                runStopBlockSuppression();
-                break;
-            case COMMAND_CLEANUP_STUCK_CALLS:
-                runCleanupStuckCalls();
-                break;
-            case COMMAND_CLEANUP_ORPHAN_PHONE_ACCOUNTS:
-                runCleanupOrphanPhoneAccounts();
-                break;
-            case COMMAND_RESET_CAR_MODE:
-                runResetCarMode();
-                break;
-            case COMMAND_SET_DEFAULT_DIALER:
-                runSetDefaultDialer();
-                break;
-            case COMMAND_GET_DEFAULT_DIALER:
-                runGetDefaultDialer();
-                break;
-            case COMMAND_SET_SYSTEM_DIALER:
-                runSetSystemDialer();
-                break;
-            case COMMAND_GET_SYSTEM_DIALER:
-                runGetSystemDialer();
-                break;
-            case COMMAND_WAIT_ON_HANDLERS:
-                runWaitOnHandler();
-                break;
-            case COMMAND_SET_SIM_COUNT:
-                runSetSimCount();
-                break;
-            case COMMAND_GET_SIM_CONFIG:
-                runGetSimConfig();
-                break;
-            case COMMAND_GET_MAX_PHONES:
-                runGetMaxPhones();
-                break;
-            case COMMAND_IS_NON_IN_CALL_SERVICE_BOUND:
-                runIsNonUiInCallServiceBound();
-                break;
-            case COMMAND_SET_TEST_EMERGENCY_PHONE_ACCOUNT_PACKAGE_FILTER:
-                runSetEmergencyPhoneAccountPackageFilter();
-                break;
-            case COMMAND_LOG_MARK:
-                runLogMark();
-                break;
-            default:
-                Log.w(this, "onRun: unknown command: %s", command);
-                throw new IllegalArgumentException ("unknown command '" + command + "'");
-        }
-    }
-
-    private void runSetPhoneAccountEnabled(boolean enabled) throws RemoteException {
-        final PhoneAccountHandle handle = getPhoneAccountHandleFromArgs();
-        final boolean success =  mTelecomService.enablePhoneAccount(handle, enabled);
-        if (success) {
-            System.out.println("Success - " + handle + (enabled ? " enabled." : " disabled."));
-        } else {
-            System.out.println("Error - is " + handle + " a valid PhoneAccount?");
-        }
-    }
-
-    private void runRegisterPhoneAccount() throws RemoteException {
-        final PhoneAccountHandle handle = getPhoneAccountHandleFromArgs();
-        final String label = nextArgRequired();
-        PhoneAccount account = PhoneAccount.builder(handle, label)
-                .setCapabilities(PhoneAccount.CAPABILITY_CALL_PROVIDER).build();
-        mTelecomService.registerPhoneAccount(account, CALLING_PACKAGE);
-        System.out.println("Success - " + handle + " registered.");
-    }
-
-    private void runRegisterSimPhoneAccount() throws RemoteException {
-        boolean isEmergencyAccount = false;
-        String opt;
-        while ((opt = nextOption()) != null) {
-            switch (opt) {
-                case "-e": {
-                    isEmergencyAccount = true;
-                    break;
-                }
-            }
-        }
-        final PhoneAccountHandle handle = getPhoneAccountHandleFromArgs();
-        final String label = nextArgRequired();
-        final String address = nextArgRequired();
-        int capabilities = PhoneAccount.CAPABILITY_CALL_PROVIDER
-                | PhoneAccount.CAPABILITY_SIM_SUBSCRIPTION
-                | (isEmergencyAccount ? PhoneAccount.CAPABILITY_PLACE_EMERGENCY_CALLS : 0);
-        PhoneAccount account = PhoneAccount.builder(
-            handle, label)
-                .setAddress(Uri.parse(address))
-                .setSubscriptionAddress(Uri.parse(address))
-                .setCapabilities(capabilities)
-                .setShortDescription(label)
-                .addSupportedUriScheme(PhoneAccount.SCHEME_TEL)
-                .addSupportedUriScheme(PhoneAccount.SCHEME_VOICEMAIL)
-                .build();
-        mTelecomService.registerPhoneAccount(account, CALLING_PACKAGE);
-        System.out.println("Success - " + handle + " registered.");
-    }
-
-    private void runSetTestCallRedirectionApp() throws RemoteException {
-        final String packageName = nextArg();
-        mTelecomService.setTestDefaultCallRedirectionApp(packageName);
-    }
-
-    private void runSetTestCallScreeningApp() throws RemoteException {
-        final String packageName = nextArg();
-        mTelecomService.setTestDefaultCallScreeningApp(packageName);
-    }
-
-    private void runAddOrRemoveCallCompanionApp() throws RemoteException {
-        final String packageName = nextArgRequired();
-        String isAdded = nextArgRequired();
-        boolean isAddedBool = "1".equals(isAdded);
-        mTelecomService.addOrRemoveTestCallCompanionApp(packageName, isAddedBool);
-    }
-
-    private void runSetCallDiagnosticService() throws RemoteException {
-        String packageName = nextArg();
-        if ("default".equals(packageName)) packageName = null;
-        mTelecomService.setTestCallDiagnosticService(packageName);
-        System.out.println("Success - " + packageName + " set as call diagnostic service.");
-    }
-
-    private void runSetTestPhoneAcctSuggestionComponent() throws RemoteException {
-        final String componentName = nextArg();
-        mTelecomService.setTestPhoneAcctSuggestionComponent(componentName);
-    }
-
-    private void runSetUserSelectedOutgoingPhoneAccount() throws RemoteException {
-        Log.i(this, "runSetUserSelectedOutgoingPhoneAccount");
-        final PhoneAccountHandle handle = getPhoneAccountHandleFromArgs();
-        mTelecomService.setUserSelectedOutgoingPhoneAccount(handle);
-        System.out.println("Success - " + handle + " set as default outgoing account.");
-    }
-
-    private void runUnregisterPhoneAccount() throws RemoteException {
-        final PhoneAccountHandle handle = getPhoneAccountHandleFromArgs();
-        mTelecomService.unregisterPhoneAccount(handle, CALLING_PACKAGE);
-        System.out.println("Success - " + handle + " unregistered.");
-    }
-
-    private void runStopBlockSuppression() throws RemoteException {
-        mTelecomService.stopBlockSuppression();
-    }
-
-    private void runCleanupStuckCalls() throws RemoteException {
-        mTelecomService.cleanupStuckCalls();
-    }
-
-    private void runCleanupOrphanPhoneAccounts() throws RemoteException {
-        System.out.println("Success - cleaned up " + mTelecomService.cleanupOrphanPhoneAccounts()
-                + "  phone accounts.");
-    }
-
-    private void runResetCarMode() throws RemoteException {
-        mTelecomService.resetCarMode();
-    }
-
-    private void runSetDefaultDialer() throws RemoteException {
-        String packageName = nextArg();
-        if ("default".equals(packageName)) packageName = null;
-        mTelecomService.setTestDefaultDialer(packageName);
-        System.out.println("Success - " + packageName + " set as override default dialer.");
-    }
-
-    private void runSetSystemDialer() throws RemoteException {
-        final String flatComponentName = nextArg();
-        final ComponentName componentName = (flatComponentName.equals("default")
-                ? null : parseComponentName(flatComponentName));
-        mTelecomService.setSystemDialer(componentName);
-        System.out.println("Success - " + componentName + " set as override system dialer.");
-    }
-
-    private void runGetDefaultDialer() throws RemoteException {
-        System.out.println(mTelecomService.getDefaultDialerPackage(CALLING_PACKAGE));
-    }
-
-    private void runGetSystemDialer() throws RemoteException {
-        System.out.println(mTelecomService.getSystemDialerPackage(CALLING_PACKAGE));
-    }
-
-    private void runWaitOnHandler() throws RemoteException {
-
-    }
-
-    private void runSetSimCount() throws RemoteException {
-        if (!callerIsRoot()) {
-            System.out.println("set-sim-count requires adb root");
-            return;
-        }
-        int numSims = Integer.parseInt(nextArgRequired());
-        System.out.println("Setting sim count to " + numSims + ". Device may reboot");
-        mTelephonyManager.switchMultiSimConfig(numSims);
-    }
-
-    /**
-     * prints out whether a particular non-ui InCallServices is bound in a call
-     */
-    public void runIsNonUiInCallServiceBound() throws RemoteException {
-        if (TextUtils.isEmpty(mArgs.peekNextArg())) {
-            System.out.println("No Argument passed. Please pass a <PACKAGE_NAME> to lookup.");
-        } else {
-            System.out.println(
-                    String.valueOf(mTelecomService.isNonUiInCallServiceBound(nextArg())));
-        }
-    }
-
-    /**
-     * Prints the mSIM config to the console.
-     * "DSDS" for a phone in DSDS mode
-     * "" (empty string) for a phone in SS mode
-     */
-    private void runGetSimConfig() throws RemoteException {
-        System.out.println(TelephonyProperties.multi_sim_config().orElse(""));
-    }
-
-    private void runGetMaxPhones() throws RemoteException {
-        // how many logical modems can be potentially active simultaneously
-        System.out.println(mTelephonyManager.getSupportedModemCount());
-    }
-
-    private void runSetEmergencyPhoneAccountPackageFilter() throws RemoteException {
-        String packageName = mArgs.getNextArg();
-        if (TextUtils.isEmpty(packageName)) {
-            mTelecomService.setTestEmergencyPhoneAccountPackageNameFilter(null);
-            System.out.println("Success - filter cleared");
-        } else {
-            mTelecomService.setTestEmergencyPhoneAccountPackageNameFilter(packageName);
-            System.out.println("Success = filter set to " + packageName);
-        }
-
-    }
-
-    private void runLogMark() throws RemoteException {
-        String message = Arrays.stream(mArgs.peekRemainingArgs()).collect(Collectors.joining(" "));
-        mTelecomService.requestLogMark(message);
-    }
-
-    private PhoneAccountHandle getPhoneAccountHandleFromArgs() throws RemoteException {
-        if (TextUtils.isEmpty(mArgs.peekNextArg())) {
-            return null;
-        }
-        final ComponentName component = parseComponentName(nextArgRequired());
-        final String accountId = nextArgRequired();
-        final String userSnInStr = nextArgRequired();
-        UserHandle userHandle;
-        try {
-            final int userSn = Integer.parseInt(userSnInStr);
-            userHandle = UserHandle.of(mUserManager.getUserHandle(userSn));
-        } catch (NumberFormatException ex) {
-            Log.w(this, "getPhoneAccountHandleFromArgs - invalid user %s", userSnInStr);
-            throw new IllegalArgumentException ("Invalid user serial number " + userSnInStr);
-        }
-        return new PhoneAccountHandle(component, accountId, userHandle);
-    }
-
-    private boolean callerIsRoot() {
-        return Process.ROOT_UID == Process.myUid();
-    }
-
-    private ComponentName parseComponentName(String component) {
-        ComponentName cn = ComponentName.unflattenFromString(component);
-        if (cn == null) {
-            throw new IllegalArgumentException ("Invalid component " + component);
-        }
-        return cn;
+        new TelecomShellCommand(service, context).exec(null, FileDescriptor.in,
+                FileDescriptor.out, FileDescriptor.err, args);
     }
 }