diff --git a/library/ui-strings/src/main/res/values/strings.xml b/library/ui-strings/src/main/res/values/strings.xml
index 8fb019dcd8..68e8b495f8 100644
--- a/library/ui-strings/src/main/res/values/strings.xml
+++ b/library/ui-strings/src/main/res/values/strings.xml
@@ -3344,6 +3344,7 @@
     <string name="qr_code_login_header_failed_device_is_not_supported_description">Linking with this device is not supported.</string>
     <string name="qr_code_login_header_failed_timeout_description">The linking wasn’t completed in the required time.</string>
     <string name="qr_code_login_header_failed_denied_description">The request was denied on the other device.</string>
+    <string name="qr_code_login_header_failed_other_description">The request failed.</string>
     <string name="qr_code_login_new_device_instruction_1">Open ${app_name} on your other device</string>
     <string name="qr_code_login_new_device_instruction_2">Go to Settings -> Security &amp; Privacy -> Show All Sessions</string>
     <string name="qr_code_login_new_device_instruction_3">Select \'Show QR code\'</string>
diff --git a/vector/src/main/java/im/vector/app/features/login/qr/QrCodeLoginConnectionStatus.kt b/vector/src/main/java/im/vector/app/features/login/qr/QrCodeLoginConnectionStatus.kt
index 330562b874..4de191f863 100644
--- a/vector/src/main/java/im/vector/app/features/login/qr/QrCodeLoginConnectionStatus.kt
+++ b/vector/src/main/java/im/vector/app/features/login/qr/QrCodeLoginConnectionStatus.kt
@@ -16,9 +16,11 @@
 
 package im.vector.app.features.login.qr
 
+import org.matrix.android.sdk.internal.rendezvous.RendezvousFailureReason
+
 sealed class QrCodeLoginConnectionStatus {
     object ConnectingToDevice : QrCodeLoginConnectionStatus()
     data class Connected(val securityCode: String, val canConfirmSecurityCode: Boolean) : QrCodeLoginConnectionStatus()
     object SigningIn : QrCodeLoginConnectionStatus()
-    data class Failed(val errorType: QrCodeLoginErrorType, val canTryAgain: Boolean) : QrCodeLoginConnectionStatus()
+    data class Failed(val errorType: RendezvousFailureReason, val canTryAgain: Boolean) : QrCodeLoginConnectionStatus()
 }
diff --git a/vector/src/main/java/im/vector/app/features/login/qr/QrCodeLoginErrorType.kt b/vector/src/main/java/im/vector/app/features/login/qr/QrCodeLoginErrorType.kt
deleted file mode 100644
index 9a6cc13de0..0000000000
--- a/vector/src/main/java/im/vector/app/features/login/qr/QrCodeLoginErrorType.kt
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (c) 2022 New Vector Ltd
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package im.vector.app.features.login.qr
-
-enum class QrCodeLoginErrorType {
-    DEVICE_IS_NOT_SUPPORTED,
-    TIMEOUT,
-    REQUEST_WAS_DENIED,
-}
diff --git a/vector/src/main/java/im/vector/app/features/login/qr/QrCodeLoginStatusFragment.kt b/vector/src/main/java/im/vector/app/features/login/qr/QrCodeLoginStatusFragment.kt
index c1db1832ef..da539b8ede 100644
--- a/vector/src/main/java/im/vector/app/features/login/qr/QrCodeLoginStatusFragment.kt
+++ b/vector/src/main/java/im/vector/app/features/login/qr/QrCodeLoginStatusFragment.kt
@@ -27,6 +27,7 @@ import im.vector.app.R
 import im.vector.app.core.platform.VectorBaseFragment
 import im.vector.app.databinding.FragmentQrCodeLoginStatusBinding
 import im.vector.app.features.themes.ThemeUtils
+import org.matrix.android.sdk.internal.rendezvous.RendezvousFailureReason
 
 @AndroidEntryPoint
 class QrCodeLoginStatusFragment : VectorBaseFragment<FragmentQrCodeLoginStatusBinding>() {
@@ -77,11 +78,12 @@ class QrCodeLoginStatusFragment : VectorBaseFragment<FragmentQrCodeLoginStatusBi
         )
     }
 
-    private fun getErrorCode(errorType: QrCodeLoginErrorType): String {
-        return when (errorType) {
-            QrCodeLoginErrorType.DEVICE_IS_NOT_SUPPORTED -> getString(R.string.qr_code_login_header_failed_device_is_not_supported_description)
-            QrCodeLoginErrorType.TIMEOUT -> getString(R.string.qr_code_login_header_failed_timeout_description)
-            QrCodeLoginErrorType.REQUEST_WAS_DENIED -> getString(R.string.qr_code_login_header_failed_denied_description)
+    private fun getErrorCode(reason: RendezvousFailureReason): String {
+        return when (reason) {
+            RendezvousFailureReason.UnsupportedAlgorithm, RendezvousFailureReason.UnsupportedTransport -> getString(R.string.qr_code_login_header_failed_device_is_not_supported_description)
+            RendezvousFailureReason.Expired -> getString(R.string.qr_code_login_header_failed_timeout_description)
+            RendezvousFailureReason.UserDeclined -> getString(R.string.qr_code_login_header_failed_denied_description)
+            else -> getString(R.string.qr_code_login_header_failed_other_description)
         }
     }
 
diff --git a/vector/src/main/java/im/vector/app/features/login/qr/QrCodeLoginViewModel.kt b/vector/src/main/java/im/vector/app/features/login/qr/QrCodeLoginViewModel.kt
index da3348653c..d0c34b83af 100644
--- a/vector/src/main/java/im/vector/app/features/login/qr/QrCodeLoginViewModel.kt
+++ b/vector/src/main/java/im/vector/app/features/login/qr/QrCodeLoginViewModel.kt
@@ -23,13 +23,19 @@ import dagger.assisted.AssistedInject
 import im.vector.app.core.di.MavericksAssistedViewModelFactory
 import im.vector.app.core.di.hiltMavericksViewModelFactory
 import im.vector.app.core.platform.VectorViewModel
-import kotlinx.coroutines.delay
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
+import org.matrix.android.sdk.api.session.Session
+import org.matrix.android.sdk.internal.rendezvous.Rendezvous
+import org.matrix.android.sdk.internal.rendezvous.RendezvousFailureReason
+import timber.log.Timber
 
 class QrCodeLoginViewModel @AssistedInject constructor(
-        @Assisted private val initialState: QrCodeLoginViewState,
+        @Assisted private val initialState: QrCodeLoginViewState
 ) : VectorViewModel<QrCodeLoginViewState, QrCodeLoginAction, QrCodeLoginViewEvents>(initialState) {
 
+    val TAG: String = QrCodeLoginViewModel::class.java.simpleName
+
     @AssistedFactory
     interface Factory : MavericksAssistedViewModelFactory<QrCodeLoginViewModel, QrCodeLoginViewState> {
         override fun create(initialState: QrCodeLoginViewState): QrCodeLoginViewModel
@@ -59,32 +65,64 @@ class QrCodeLoginViewModel @AssistedInject constructor(
     }
 
     private fun handleOnQrCodeScanned(action: QrCodeLoginAction.OnQrCodeScanned) {
-        if (isValidQrCode(action.qrCode)) {
-            setState {
-                copy(
-                        connectionStatus = QrCodeLoginConnectionStatus.ConnectingToDevice
-                )
-            }
-            _viewEvents.post(QrCodeLoginViewEvents.NavigateToStatusScreen)
+        Timber.tag(TAG).d("Scanned code: ${action.qrCode}")
+
+        val rendezvous = Rendezvous.buildChannelFromCode(action.qrCode) { reason ->
+            Timber.tag(TAG).d("Rendezvous cancelled: $reason")
+            onFailed(reason)
         }
 
-        // TODO. UI test purpose. Fixme remove!
-        viewModelScope.launch {
-            delay(3000)
-            onFailed(QrCodeLoginErrorType.TIMEOUT, true)
-            delay(3000)
-            onConnectionEstablished("1234-ABCD-5678-EFGH")
-            delay(3000)
-            onSigningIn()
-            delay(3000)
-            onFailed(QrCodeLoginErrorType.DEVICE_IS_NOT_SUPPORTED, false)
-        }
-    }
-
-    private fun onFailed(errorType: QrCodeLoginErrorType, canTryAgain: Boolean) {
         setState {
             copy(
-                    connectionStatus = QrCodeLoginConnectionStatus.Failed(errorType, canTryAgain)
+                    connectionStatus = QrCodeLoginConnectionStatus.ConnectingToDevice
+            )
+        }
+
+        _viewEvents.post(QrCodeLoginViewEvents.NavigateToStatusScreen)
+
+        viewModelScope.launch(Dispatchers.IO) {
+            val confirmationCode = rendezvous.startAfterScanningCode()
+            Timber.tag(TAG).i("Established secure channel with checksum: $confirmationCode")
+            confirmationCode ?.let {
+                onConnectionEstablished(it)
+            }
+            rendezvous.completeOnNewDevice()
+        }
+    //        if (isValidQrCode(action.qrCode)) {
+//            setState {
+//                copy(
+//                        connectionStatus = QrCodeLoginConnectionStatus.ConnectingToDevice
+//                )
+//            }
+//            _viewEvents.post(QrCodeLoginViewEvents.NavigateToStatusScreen)
+//        }
+//
+
+//        // TODO. UI test purpose. Fixme remove!
+//        viewModelScope.launch {
+//            delay(3000)
+//            onFailed(QrCodeLoginErrorType.TIMEOUT, true)
+//            delay(3000)
+//            onConnectionEstablished("1234-ABCD-5678-EFGH")
+//            delay(3000)
+//            onSigningIn()
+//            delay(3000)
+//            onFailed(QrCodeLoginErrorType.DEVICE_IS_NOT_SUPPORTED, false)
+//        }
+//        // TODO. UI test purpose. Fixme remove!
+//        viewModelScope.launch {
+//            delay(3000)
+//            onConnectionEstablished("1234-ABCD-5678-EFGH")
+//            delay(3000)
+//            onSigningIn()
+//        }
+    }
+
+
+    private fun onFailed(reason: RendezvousFailureReason) {
+        setState {
+            copy(
+                    connectionStatus = QrCodeLoginConnectionStatus.Failed(reason, reason.canRetry)
             )
         }
     }