diff --git a/app/src/main/java/org/linphone/ui/main/chat/fragment/StartConversationFragment.kt b/app/src/main/java/org/linphone/ui/main/chat/fragment/StartConversationFragment.kt
index b3a995c1a..452827579 100644
--- a/app/src/main/java/org/linphone/ui/main/chat/fragment/StartConversationFragment.kt
+++ b/app/src/main/java/org/linphone/ui/main/chat/fragment/StartConversationFragment.kt
@@ -26,7 +26,7 @@ import android.view.ViewGroup
 import androidx.annotation.UiThread
 import androidx.annotation.WorkerThread
 import androidx.core.view.doOnPreDraw
-import androidx.navigation.navGraphViewModels
+import androidx.lifecycle.ViewModelProvider
 import androidx.recyclerview.widget.LinearLayoutManager
 import org.linphone.R
 import org.linphone.core.Address
@@ -49,9 +49,7 @@ class StartConversationFragment : GenericAddressPickerFragment() {
 
     private lateinit var binding: StartChatFragmentBinding
 
-    private val viewModel: StartConversationViewModel by navGraphViewModels(
-        R.id.main_nav_graph
-    )
+    private lateinit var viewModel: StartConversationViewModel
 
     private lateinit var adapter: ContactsAndSuggestionsListAdapter
 
@@ -69,6 +67,8 @@ class StartConversationFragment : GenericAddressPickerFragment() {
         postponeEnterTransition()
 
         binding.lifecycleOwner = viewLifecycleOwner
+
+        viewModel = ViewModelProvider(this)[StartConversationViewModel::class.java]
         binding.viewModel = viewModel
 
         binding.setBackClickListener {
diff --git a/app/src/main/java/org/linphone/ui/main/chat/viewmodel/StartConversationViewModel.kt b/app/src/main/java/org/linphone/ui/main/chat/viewmodel/StartConversationViewModel.kt
index cb247fafd..2c1453171 100644
--- a/app/src/main/java/org/linphone/ui/main/chat/viewmodel/StartConversationViewModel.kt
+++ b/app/src/main/java/org/linphone/ui/main/chat/viewmodel/StartConversationViewModel.kt
@@ -21,6 +21,7 @@ package org.linphone.ui.main.chat.viewmodel
 
 import androidx.annotation.UiThread
 import androidx.annotation.WorkerThread
+import androidx.lifecycle.MediatorLiveData
 import androidx.lifecycle.MutableLiveData
 import kotlin.collections.ArrayList
 import org.linphone.LinphoneApplication.Companion.coreContext
@@ -54,6 +55,10 @@ class StartConversationViewModel @UiThread constructor() : AddressSelectionViewM
 
     val hideGroupChatButton = MutableLiveData<Boolean>()
 
+    val subject = MutableLiveData<String>()
+
+    val groupChatRoomCreateButtonEnabled = MediatorLiveData<Boolean>()
+
     val operationInProgress = MutableLiveData<Boolean>()
 
     val chatRoomCreationErrorEvent: MutableLiveData<Event<String>> by lazy {
@@ -68,10 +73,10 @@ class StartConversationViewModel @UiThread constructor() : AddressSelectionViewM
         @WorkerThread
         override fun onStateChanged(chatRoom: ChatRoom, newState: ChatRoom.State?) {
             val state = chatRoom.state
-            Log.i("$TAG Chat room state changed: [$state]")
+            val id = LinphoneUtils.getChatRoomId(chatRoom)
+            Log.i("$TAG Chat room [$id] (${chatRoom.subject}) state changed: [$state]")
 
             if (state == ChatRoom.State.Created) {
-                val id = LinphoneUtils.getChatRoomId(chatRoom)
                 Log.i("$TAG Chat room [$id] successfully created")
                 chatRoom.removeListener(this)
                 operationInProgress.postValue(false)
@@ -84,7 +89,6 @@ class StartConversationViewModel @UiThread constructor() : AddressSelectionViewM
                     )
                 )
             } else if (state == ChatRoom.State.CreationFailed) {
-                val id = LinphoneUtils.getChatRoomId(chatRoom)
                 Log.e("$TAG Chat room [$id] creation has failed!")
                 chatRoom.removeListener(this)
                 operationInProgress.postValue(false)
@@ -121,6 +125,18 @@ class StartConversationViewModel @UiThread constructor() : AddressSelectionViewM
     }
 
     init {
+        groupChatRoomCreateButtonEnabled.postValue(false)
+        groupChatRoomCreateButtonEnabled.addSource(selection) {
+            groupChatRoomCreateButtonEnabled.postValue(
+                subject.value.orEmpty().isNotEmpty() && selection.value.orEmpty().isNotEmpty()
+            )
+        }
+        groupChatRoomCreateButtonEnabled.addSource(subject) {
+            groupChatRoomCreateButtonEnabled.postValue(
+                subject.value.orEmpty().isNotEmpty() && selection.value.orEmpty().isNotEmpty()
+            )
+        }
+
         updateGroupChatButtonVisibility()
 
         coreContext.postOnCoreThread { core ->
@@ -150,6 +166,79 @@ class StartConversationViewModel @UiThread constructor() : AddressSelectionViewM
         searchFilter.value = ""
     }
 
+    @UiThread
+    fun createGroupChatRoom() {
+        coreContext.postOnCoreThread { core ->
+            val account = core.defaultAccount
+            if (account == null) {
+                Log.e(
+                    "$TAG No default account found, can't create group conversation!"
+                )
+                return@postOnCoreThread
+            }
+
+            operationInProgress.postValue(true)
+
+            val groupChatRoomSubject = subject.value.orEmpty()
+            val params: ChatRoomParams = coreContext.core.createDefaultChatRoomParams()
+            params.isGroupEnabled = true
+            params.subject = groupChatRoomSubject
+            params.backend = ChatRoom.Backend.FlexisipChat
+            params.isEncryptionEnabled = true
+
+            val participants = arrayListOf<Address>()
+            for (participant in selection.value.orEmpty()) {
+                participants.add(participant.address)
+            }
+            val localAddress = account.params.identityAddress
+
+            val participantsArray = arrayOf<Address>()
+            val chatRoom = core.createChatRoom(
+                params,
+                localAddress,
+                participants.toArray(participantsArray)
+            )
+            if (chatRoom != null) {
+                if (params.backend == ChatRoom.Backend.FlexisipChat) {
+                    if (chatRoom.state == ChatRoom.State.Created) {
+                        val id = LinphoneUtils.getChatRoomId(chatRoom)
+                        Log.i("$TAG Group chat room [$id] ($groupChatRoomSubject) has been created")
+                        operationInProgress.postValue(false)
+                        chatRoomCreatedEvent.postValue(
+                            Event(
+                                Pair(
+                                    chatRoom.localAddress.asStringUriOnly(),
+                                    chatRoom.peerAddress.asStringUriOnly()
+                                )
+                            )
+                        )
+                    } else {
+                        Log.i(
+                            "$TAG Chat room [$groupChatRoomSubject] isn't in Created state yet, wait for it"
+                        )
+                        chatRoom.addListener(chatRoomListener)
+                    }
+                } else {
+                    val id = LinphoneUtils.getChatRoomId(chatRoom)
+                    Log.i("$TAG Chat room successfully created [$id] ($groupChatRoomSubject)")
+                    operationInProgress.postValue(false)
+                    chatRoomCreatedEvent.postValue(
+                        Event(
+                            Pair(
+                                chatRoom.localAddress.asStringUriOnly(),
+                                chatRoom.peerAddress.asStringUriOnly()
+                            )
+                        )
+                    )
+                }
+            } else {
+                Log.e("$TAG Failed to create group chat room [$groupChatRoomSubject]!")
+                operationInProgress.postValue(false)
+                chatRoomCreationErrorEvent.postValue(Event("Error!")) // TODO FIXME: use translated string
+            }
+        }
+    }
+
     @WorkerThread
     fun createOneToOneChatRoomWith(remote: Address) {
         val core = coreContext.core
diff --git a/app/src/main/res/layout/start_chat_fragment.xml b/app/src/main/res/layout/start_chat_fragment.xml
index dcd12a34a..67c12df77 100644
--- a/app/src/main/res/layout/start_chat_fragment.xml
+++ b/app/src/main/res/layout/start_chat_fragment.xml
@@ -22,6 +22,13 @@
             android:layout_height="match_parent"
             android:background="@color/white">
 
+            <androidx.constraintlayout.widget.Group
+                android:id="@+id/multiple_selection_group"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                app:constraint_referenced_ids="group_name_title, group_name, required_label, create_group, multiple_selection, multiple_selection_count"
+                android:visibility="@{viewModel.multipleSelectionMode ? View.VISIBLE : View.GONE, default=gone}" />
+
             <ImageView
                 android:id="@+id/back"
                 android:layout_width="wrap_content"
@@ -49,13 +56,14 @@
 
             <ImageView
                 android:id="@+id/create_group"
+                android:onClick="@{() -> viewModel.createGroupChatRoom()}"
                 android:layout_width="wrap_content"
                 android:layout_height="0dp"
                 android:padding="15dp"
                 android:adjustViewBounds="true"
                 android:src="@drawable/check"
-                android:visibility="@{viewModel.multipleSelectionMode ? View.VISIBLE : View.GONE, default=gone}"
-                app:tint="@color/orange_main_500"
+                android:enabled="@{viewModel.groupChatRoomCreateButtonEnabled}"
+                app:tint="@color/primary_color_selector"
                 app:layout_constraintBottom_toBottomOf="@id/title"
                 app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintTop_toTopOf="@id/title" />
@@ -69,25 +77,70 @@
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toBottomOf="@id/title" />
 
+            <androidx.appcompat.widget.AppCompatTextView
+                style="@style/header_style"
+                android:id="@+id/group_name_title"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="16dp"
+                android:layout_marginTop="16dp"
+                android:text="@string/new_conversation_group_name_title"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="@id/background" />
+
+            <androidx.appcompat.widget.AppCompatTextView
+                style="@style/default_text_style_300"
+                android:id="@+id/required_label"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="25dp"
+                android:layout_marginTop="16dp"
+                android:text="@string/required"
+                android:textSize="12sp"
+                android:textColor="@color/gray_main2_600"
+                app:layout_constraintEnd_toEndOf="@id/group_name"
+                app:layout_constraintTop_toTopOf="@id/background" />
+
+            <androidx.appcompat.widget.AppCompatEditText
+                style="@style/default_text_style"
+                android:id="@+id/group_name"
+                android:layout_width="0dp"
+                android:layout_height="50dp"
+                android:layout_marginStart="16dp"
+                android:layout_marginEnd="16dp"
+                android:layout_marginTop="5dp"
+                android:paddingStart="20dp"
+                android:paddingEnd="20dp"
+                android:text="@={viewModel.subject, default=`Dummy subject`}"
+                android:hint="@string/new_conversation_group_name_title"
+                android:textSize="14sp"
+                android:textColor="@color/gray_main2_600"
+                android:maxLines="1"
+                android:background="@drawable/edit_text_background"
+                android:inputType="text|textCapWords"
+                app:layout_constraintWidth_max="@dimen/text_input_max_width"
+                app:layout_constraintTop_toBottomOf="@id/group_name_title"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintEnd_toEndOf="parent"/>
+
             <androidx.appcompat.widget.AppCompatTextView
                 style="@style/default_text_style_300"
                 android:id="@+id/multiple_selection_count"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_marginStart="32dp"
+                android:layout_marginTop="20dp"
                 android:text="@{viewModel.selectionCount, default=`0 selected`}"
                 android:textSize="12sp"
                 android:textColor="@color/black"
-                android:visibility="@{viewModel.multipleSelectionMode ? View.VISIBLE : View.GONE, default=gone}"
                 app:layout_constraintStart_toStartOf="parent"
-                app:layout_constraintTop_toTopOf="@id/background" />
+                app:layout_constraintTop_toBottomOf="@id/group_name" />
 
             <HorizontalScrollView
                 android:id="@+id/multiple_selection"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:layout_marginTop="16dp"
-                android:visibility="@{viewModel.multipleSelectionMode ? View.VISIBLE : View.GONE, default=gone}"
+                android:layout_marginTop="10dp"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toBottomOf="@id/multiple_selection_count">
 
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 547cb346d..386b980e2 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -46,6 +46,7 @@
     <string name="or">or</string>
     <string name="next">next</string>
     <string name="start">Start</string>
+    <string name="required">Required</string>
 
     <plurals name="selection_count_label">
         <item quantity="one">%s selected</item>
@@ -342,6 +343,7 @@
     <string name="new_conversation_search_bar_filter_hint">Search contact</string>
     <string name="new_conversation_create_group">Create a group conversation</string>
     <string name="new_conversation_no_contact">No contact for the moment…</string>
+    <string name="new_conversation_group_name_title">Name of the group</string>
     <string name="conversation_text_field_hint">Say something…</string>
     <plurals name="conversation_composing_label">
         <item quantity="one">%s is composing…</item>