diff --git a/app/src/main/java/org/linphone/activities/main/chat/data/ChatMessageContentData.kt b/app/src/main/java/org/linphone/activities/main/chat/data/ChatMessageContentData.kt
index 1d50b0823..e155c900f 100644
--- a/app/src/main/java/org/linphone/activities/main/chat/data/ChatMessageContentData.kt
+++ b/app/src/main/java/org/linphone/activities/main/chat/data/ChatMessageContentData.kt
@@ -59,6 +59,8 @@ class ChatMessageContentData(
     val isGenericFile = MutableLiveData<Boolean>()
     val isVoiceRecording = MutableLiveData<Boolean>()
     val isConferenceSchedule = MutableLiveData<Boolean>()
+    val isConferenceUpdated = MutableLiveData<Boolean>()
+    val isConferenceCancelled = MutableLiveData<Boolean>()
 
     val fileName = MutableLiveData<String>()
     val filePath = MutableLiveData<String>()
@@ -233,6 +235,8 @@ class ChatMessageContentData(
         isPdf.value = false
         isVoiceRecording.value = false
         isConferenceSchedule.value = false
+        isConferenceUpdated.value = false
+        isConferenceCancelled.value = false
 
         if (content.isFile || (content.isFileTransfer && chatMessage.isOutgoing)) {
             val path = if (isFileEncrypted) {
@@ -308,6 +312,10 @@ class ChatMessageContentData(
             conferenceSubject.value = conferenceInfo.subject
             conferenceDescription.value = conferenceInfo.description
 
+            val state = conferenceInfo.state
+            isConferenceUpdated.value = state == ConferenceInfoState.Updated
+            isConferenceCancelled.value = state == ConferenceInfoState.Cancelled
+
             conferenceDate.value = TimestampUtils.dateToString(conferenceInfo.dateTime)
             conferenceTime.value = TimestampUtils.timeToString(conferenceInfo.dateTime)
 
diff --git a/app/src/main/java/org/linphone/activities/main/conference/fragments/ConferenceSchedulingSummaryFragment.kt b/app/src/main/java/org/linphone/activities/main/conference/fragments/ConferenceSchedulingSummaryFragment.kt
index 5e9b44568..ef1dfb615 100644
--- a/app/src/main/java/org/linphone/activities/main/conference/fragments/ConferenceSchedulingSummaryFragment.kt
+++ b/app/src/main/java/org/linphone/activities/main/conference/fragments/ConferenceSchedulingSummaryFragment.kt
@@ -42,10 +42,6 @@ class ConferenceSchedulingSummaryFragment : GenericFragment<ConferenceScheduling
 
         binding.viewModel = viewModel
 
-        binding.setCreateConferenceClickListener {
-            viewModel.createConference()
-        }
-
         viewModel.conferenceCreationCompletedEvent.observe(
             viewLifecycleOwner
         ) {
diff --git a/app/src/main/java/org/linphone/activities/main/conference/viewmodels/ConferenceSchedulingViewModel.kt b/app/src/main/java/org/linphone/activities/main/conference/viewmodels/ConferenceSchedulingViewModel.kt
index 7960ae678..f7bbcf456 100644
--- a/app/src/main/java/org/linphone/activities/main/conference/viewmodels/ConferenceSchedulingViewModel.kt
+++ b/app/src/main/java/org/linphone/activities/main/conference/viewmodels/ConferenceSchedulingViewModel.kt
@@ -38,6 +38,7 @@ class ConferenceSchedulingViewModel : ContactsSelectionViewModel() {
     val description = MutableLiveData<String>()
 
     val scheduleForLater = MutableLiveData<Boolean>()
+    val isUpdate = MutableLiveData<Boolean>()
 
     val formattedDate = MutableLiveData<String>()
     val formattedTime = MutableLiveData<String>()
@@ -156,6 +157,8 @@ class ConferenceSchedulingViewModel : ContactsSelectionViewModel() {
 
         subject.value = ""
         scheduleForLater.value = false
+        isUpdate.value = false
+
         isEncrypted.value = false
         sendInviteViaChat.value = true
         sendInviteViaEmail.value = false
@@ -195,9 +198,11 @@ class ConferenceSchedulingViewModel : ContactsSelectionViewModel() {
 
     fun populateFromConferenceInfo(conferenceInfo: ConferenceInfo) {
         confInfo = conferenceInfo
+
         address.value = conferenceInfo.uri
         subject.value = conferenceInfo.subject
         description.value = conferenceInfo.description
+        isUpdate.value = true
 
         val dateTime = conferenceInfo.dateTime
         val calendar = Calendar.getInstance()
@@ -262,7 +267,11 @@ class ConferenceSchedulingViewModel : ContactsSelectionViewModel() {
         val localAccount = core.defaultAccount
         val localAddress = localAccount?.params?.identityAddress
 
-        val conferenceInfo = confInfo ?: Factory.instance().createConferenceInfo()
+        val conferenceInfo = if (isUpdate.value == true) {
+            confInfo?.clone() ?: Factory.instance().createConferenceInfo()
+        } else {
+            Factory.instance().createConferenceInfo()
+        }
         conferenceInfo.organizer = localAddress
         conferenceInfo.subject = subject.value
         conferenceInfo.description = description.value
@@ -273,6 +282,7 @@ class ConferenceSchedulingViewModel : ContactsSelectionViewModel() {
             val duration = duration.value?.value ?: 0
             conferenceInfo.duration = duration
         }
+
         confInfo = conferenceInfo
         conferenceScheduler.account = localAccount
         // Will trigger the conference creation/update automatically
diff --git a/app/src/main/java/org/linphone/contact/ContactLoader.kt b/app/src/main/java/org/linphone/contact/ContactLoader.kt
index fe745a36d..9b5514075 100644
--- a/app/src/main/java/org/linphone/contact/ContactLoader.kt
+++ b/app/src/main/java/org/linphone/contact/ContactLoader.kt
@@ -98,7 +98,7 @@ class ContactLoader : LoaderManager.LoaderCallbacks<Cursor> {
 
         val core = coreContext.core
         val linphoneMime = loader.context.getString(R.string.linphone_address_mime_type)
-        var preferNormalizedPhoneNumber = corePreferences.preferNormalizedPhoneNumbersFromAddressBook
+        val preferNormalizedPhoneNumber = corePreferences.preferNormalizedPhoneNumbersFromAddressBook
 
         if (core.globalState == GlobalState.Shutdown || core.globalState == GlobalState.Off) {
             Log.w("[Contacts Loader] Core is being stopped or already destroyed, abort")
diff --git a/app/src/main/res/layout/chat_message_conference_invitation_content_cell.xml b/app/src/main/res/layout/chat_message_conference_invitation_content_cell.xml
index b03352bcc..2b8df0a22 100644
--- a/app/src/main/res/layout/chat_message_conference_invitation_content_cell.xml
+++ b/app/src/main/res/layout/chat_message_conference_invitation_content_cell.xml
@@ -29,7 +29,22 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             style="@style/conference_invite_title_font"
-            android:text="@string/conference_invite_title"/>
+            android:text="@string/conference_invite_title"
+            android:visibility="@{data.isConferenceUpdated || data.isConferenceCancelled ? View.GONE : View.VISIBLE}"/>
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            style="@style/conference_update_title_font"
+            android:text="@string/conference_update_title"
+            android:visibility="@{data.isConferenceUpdated ? View.VISIBLE : View.GONE, default=gone}"/>
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            style="@style/conference_cancel_title_font"
+            android:text="@string/conference_cancel_title"
+            android:visibility="@{data.isConferenceCancelled ? View.VISIBLE : View.GONE, default=gone}"/>
 
         <TextView
             android:layout_width="wrap_content"
diff --git a/app/src/main/res/layout/conference_scheduling_summary_fragment.xml b/app/src/main/res/layout/conference_scheduling_summary_fragment.xml
index 3b57cc68b..51ba00c1f 100644
--- a/app/src/main/res/layout/conference_scheduling_summary_fragment.xml
+++ b/app/src/main/res/layout/conference_scheduling_summary_fragment.xml
@@ -5,9 +5,6 @@
 
     <data>
         <import type="android.view.View" />
-        <variable
-            name="createConferenceClickListener"
-            type="android.view.View.OnClickListener" />
         <variable
             name="viewModel"
             type="org.linphone.activities.main.conference.viewmodels.ConferenceSchedulingViewModel" />
@@ -300,7 +297,7 @@
             </androidx.core.widget.NestedScrollView>
 
             <TextView
-                android:onClick="@{createConferenceClickListener}"
+                android:onClick="@{() -> viewModel.createConference()}"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:paddingLeft="20dp"
@@ -311,7 +308,7 @@
                 android:layout_marginBottom="10dp"
                 android:layout_gravity="center"
                 android:background="@drawable/shape_rect_orange_button"
-                android:text="@{viewModel.scheduleForLater ? @string/conference_schedule_start : @string/conference_group_call_create, default=@string/conference_group_call_create}"
+                android:text="@{viewModel.scheduleForLater ? (viewModel.isUpdate ? @string/conference_schedule_start : @string/conference_schedule_start) : @string/conference_group_call_create, default=@string/conference_group_call_create}"
                 style="@style/big_orange_button_font"/>
 
         </LinearLayout>
diff --git a/app/src/main/res/values-fr/strings.xml b/app/src/main/res/values-fr/strings.xml
index c762ebc3c..78b7f00d2 100644
--- a/app/src/main/res/values-fr/strings.xml
+++ b/app/src/main/res/values-fr/strings.xml
@@ -744,4 +744,7 @@
     <string name="call_stats_zrtp_hash_algo">Algorithme de hachage :</string>
     <string name="call_stats_zrtp_auth_tag_algo">Algorithme d\'authentification :</string>
     <string name="call_stats_zrtp_sas_algo">Algorithme SAS :</string>
+    <string name="conference_schedule_edit">Modifier la réunion</string>
+    <string name="conference_update_title">La réunion a été modifiée : </string>
+    <string name="conference_cancel_title">La réunion a été annulée : </string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
index 136cb0bcd..21199c801 100644
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -36,6 +36,8 @@
     <color name="voip_dark_color5">#353B3F</color> <!-- Scheduled conference background dark mode -->
     <color name="voip_text_dark_color">#6E8596</color> <!-- Text color above voip_dark_color5 -->
     <color name="voip_conf_address_text_color">#A2A2A2</color>
+    <color name="voip_conference_updated_color">#EFAE00</color>
+    <color name="voip_conference_cancelled_color">#FF0000</color>
 
     <color name="form_field_gray_background">#F7F7F7</color>
 
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 38ce5719e..570305473 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -261,6 +261,7 @@
     <string name="conference_schedule_summary">Meeting info</string>
     <string name="conference_group_call_summary">Group call info</string>
     <string name="conference_schedule_start">Schedule meeting</string>
+    <string name="conference_schedule_edit">Edit meeting</string>
     <string name="conference_group_call_create">Start group call</string>
     <string name="conference_schedule_address_copied_to_clipboard">Meeting address copied into clipboard</string>
     <string name="conference_schedule_info_not_sent_to_participant">Failed to send meeting info to a participant</string>
@@ -269,6 +270,8 @@
     <string name="conference_default_title">Remote group call</string>
     <string name="conference_local_title">Local group call</string>
     <string name="conference_invite_title">Meeting invite:</string>
+    <string name="conference_update_title">Meeting has been updated:</string>
+    <string name="conference_cancel_title">Meeting has been cancelled:</string>
     <string name="conference_description_title">Description</string>
     <string name="conference_invite_join">Join</string>
     <string name="conference_invite_participants_count" tools:ignore="PluralsCandidate">%d participants</string>
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index 83d061e12..0130e12d5 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -145,6 +145,18 @@
         <item name="android:textSize">16sp</item>
     </style>
 
+    <style name="conference_update_title_font" parent="@android:style/TextAppearance.Medium">
+        <item name="android:textColor">@color/voip_conference_updated_color</item>
+        <item name="android:textStyle">bold</item>
+        <item name="android:textSize">16sp</item>
+    </style>
+
+    <style name="conference_cancel_title_font" parent="@android:style/TextAppearance.Medium">
+        <item name="android:textColor">@color/voip_conference_cancelled_color</item>
+        <item name="android:textStyle">bold</item>
+        <item name="android:textSize">16sp</item>
+    </style>
+
     <style name="conference_invite_subject_font" parent="@android:style/TextAppearance.Medium">
         <item name="android:textColor">?attr/voipTextColor2</item>
         <item name="android:textSize">16sp</item>