diff --git a/vector-app/src/debug/java/im/vector/app/features/debug/features/DebugVectorFeatures.kt b/vector-app/src/debug/java/im/vector/app/features/debug/features/DebugVectorFeatures.kt
index f982223665..6a3b20899a 100644
--- a/vector-app/src/debug/java/im/vector/app/features/debug/features/DebugVectorFeatures.kt
+++ b/vector-app/src/debug/java/im/vector/app/features/debug/features/DebugVectorFeatures.kt
@@ -40,7 +40,7 @@ class DebugVectorFeatures(
 
     private val dataStore = context.dataStore
 
-    override fun tchapIsVoipSupported(homeServerUrl: String) = vectorFeatures.tchapIsVoipSupported(homeServerUrl)
+    override fun tchapIsVisioSupported(homeServerUrl: String) = vectorFeatures.tchapIsVisioSupported(homeServerUrl)
 
     override fun tchapIsCrossSigningEnabled() = vectorFeatures.tchapIsCrossSigningEnabled()
 
diff --git a/vector-config/src/btchap/res/values/config-features.xml b/vector-config/src/btchap/res/values/config-features.xml
index 683c904075..60e0cb1865 100755
--- a/vector-config/src/btchap/res/values/config-features.xml
+++ b/vector-config/src/btchap/res/values/config-features.xml
@@ -5,5 +5,5 @@
     <bool name="tchap_is_thread_enabled">false</bool>
     <bool name="tchap_is_secure_backup_required">true</bool>
 
-    <string-array name="tchap_is_voip_supported_homeservers" translatable="false" />
+    <string-array name="tchap_is_visio_supported_homeservers" translatable="false" />
 </resources>
diff --git a/vector-config/src/devTchap/res/values/config-features.xml b/vector-config/src/devTchap/res/values/config-features.xml
index 683c904075..60e0cb1865 100755
--- a/vector-config/src/devTchap/res/values/config-features.xml
+++ b/vector-config/src/devTchap/res/values/config-features.xml
@@ -5,5 +5,5 @@
     <bool name="tchap_is_thread_enabled">false</bool>
     <bool name="tchap_is_secure_backup_required">true</bool>
 
-    <string-array name="tchap_is_voip_supported_homeservers" translatable="false" />
+    <string-array name="tchap_is_visio_supported_homeservers" translatable="false" />
 </resources>
diff --git a/vector-config/src/tchap/res/values/config-features.xml b/vector-config/src/tchap/res/values/config-features.xml
index 683c904075..9990fc02d7 100755
--- a/vector-config/src/tchap/res/values/config-features.xml
+++ b/vector-config/src/tchap/res/values/config-features.xml
@@ -5,5 +5,7 @@
     <bool name="tchap_is_thread_enabled">false</bool>
     <bool name="tchap_is_secure_backup_required">true</bool>
 
-    <string-array name="tchap_is_voip_supported_homeservers" translatable="false" />
+    <string-array name="tchap_is_visio_supported_homeservers" translatable="false">
+        <item>agent.dinum.tchap.gouv.fr</item>
+    </string-array>
 </resources>
diff --git a/vector-config/src/withdmvoip/res/values/config-features.xml b/vector-config/src/withdmvoip/res/values/config-features.xml
index 6f4b43e696..9d39f6da24 100755
--- a/vector-config/src/withdmvoip/res/values/config-features.xml
+++ b/vector-config/src/withdmvoip/res/values/config-features.xml
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <bool name="tchap_is_voip_supported">true</bool>
+    <bool name="tchap_is_visio_supported">true</bool>
 </resources>
diff --git a/vector-config/src/withvoip/res/values/config-features.xml b/vector-config/src/withvoip/res/values/config-features.xml
index 6f4b43e696..9d39f6da24 100755
--- a/vector-config/src/withvoip/res/values/config-features.xml
+++ b/vector-config/src/withvoip/res/values/config-features.xml
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <bool name="tchap_is_voip_supported">true</bool>
+    <bool name="tchap_is_visio_supported">true</bool>
 </resources>
diff --git a/vector/src/main/java/im/vector/app/features/VectorFeatures.kt b/vector/src/main/java/im/vector/app/features/VectorFeatures.kt
index 2315005aec..fdaae5f2b7 100644
--- a/vector/src/main/java/im/vector/app/features/VectorFeatures.kt
+++ b/vector/src/main/java/im/vector/app/features/VectorFeatures.kt
@@ -27,7 +27,7 @@ import javax.inject.Inject
 
 interface VectorFeatures {
 
-    fun tchapIsVoipSupported(homeServerUrl: String): Boolean
+    fun tchapIsVisioSupported(homeServerUrl: String): Boolean
     fun tchapIsCrossSigningEnabled(): Boolean
     fun tchapIsKeyBackupEnabled(): Boolean
     fun tchapIsThreadEnabled(): Boolean
@@ -63,8 +63,8 @@ class DefaultVectorFeatures @Inject constructor(
         private val stringArrayProvider: StringArrayProvider,
         private val booleanProvider: BooleanProvider
 ) : VectorFeatures {
-    override fun tchapIsVoipSupported(homeServerUrl: String) = booleanProvider.getBoolean(R.bool.tchap_is_voip_supported) &&
-        stringArrayProvider.getStringArray(R.array.tchap_is_voip_supported_homeservers).let { homeServerUrls ->
+    override fun tchapIsVisioSupported(homeServerUrl: String) = booleanProvider.getBoolean(R.bool.tchap_is_visio_supported) &&
+        stringArrayProvider.getStringArray(R.array.tchap_is_visio_supported_homeservers).let { homeServerUrls ->
             homeServerUrls.isEmpty() || homeServerUrls.any { homeServerUrl.contains(it) }
         }
     override fun tchapIsCrossSigningEnabled() = booleanProvider.getBoolean(R.bool.tchap_is_cross_signing_enabled)
diff --git a/vector/src/main/java/im/vector/app/features/home/room/detail/TimelineViewModel.kt b/vector/src/main/java/im/vector/app/features/home/room/detail/TimelineViewModel.kt
index 41a71a9a62..349ddebccf 100644
--- a/vector/src/main/java/im/vector/app/features/home/room/detail/TimelineViewModel.kt
+++ b/vector/src/main/java/im/vector/app/features/home/room/detail/TimelineViewModel.kt
@@ -863,12 +863,12 @@ class TimelineViewModel @AssistedInject constructor(
                     R.id.timeline_setting -> true
                     R.id.invite -> state.canInvite
                     R.id.open_matrix_apps -> false // TCHAP there are no matrix apps
-                    // TCHAP check if voip is enabled
-                    R.id.video_call -> vectorPreferences.developerMode() && vectorFeatures.tchapIsVoipSupported(session.sessionParams.homeServerUrl)
-                    R.id.voice_call -> vectorFeatures.tchapIsVoipSupported(session.sessionParams.homeServerUrl) &&
-                            (state.isCallOptionAvailable() || state.hasActiveElementCallWidget())
+                    R.id.voice_call -> state.isCallOptionAvailable() || state.hasActiveElementCallWidget()
+                    // TCHAP check if visio is enabled
+                    R.id.video_call -> vectorFeatures.tchapIsVisioSupported(session.sessionParams.homeServerUrl) &&
+                            (state.isCallOptionAvailable() || state.jitsiState.confId == null || state.jitsiState.hasJoined)
                     // Show Join conference button only if there is an active conf id not joined. Otherwise fallback to default video disabled. ^
-                    R.id.join_conference -> vectorFeatures.tchapIsVoipSupported(session.sessionParams.homeServerUrl) && !state.isCallOptionAvailable() &&
+                    R.id.join_conference -> vectorFeatures.tchapIsVisioSupported(session.sessionParams.homeServerUrl) && !state.isCallOptionAvailable() &&
                             state.jitsiState.confId != null && !state.jitsiState.hasJoined
                     R.id.search -> state.isSearchAvailable()
                     R.id.menu_timeline_thread_list -> vectorPreferences.areThreadMessagesEnabled()
diff --git a/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/factory/CallItemFactory.kt b/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/factory/CallItemFactory.kt
index 5ea450ba32..2ab5d81e9d 100644
--- a/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/factory/CallItemFactory.kt
+++ b/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/factory/CallItemFactory.kt
@@ -147,7 +147,7 @@ class CallItemFactory @Inject constructor(
         val userOfInterest = roomSummary.toMatrixItem()
         val attributes = messageItemAttributesFactory.create(null, informationData, callback, reactionsSummaryEvents).let {
             CallTileTimelineItem.Attributes(
-                    isVoipSupported = vectorFeatures.tchapIsVoipSupported(session.sessionParams.homeServerUrl),
+                    isCallSupported = vectorFeatures.tchapIsVisioSupported(session.sessionParams.homeServerUrl) || callKind.isVoiceCall,
                     callId = callId,
                     callKind = callKind,
                     callStatus = callStatus,
diff --git a/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/factory/WidgetItemFactory.kt b/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/factory/WidgetItemFactory.kt
index b8dc6be9fc..2e674384cd 100644
--- a/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/factory/WidgetItemFactory.kt
+++ b/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/factory/WidgetItemFactory.kt
@@ -80,7 +80,7 @@ class WidgetItemFactory @Inject constructor(
             CallTileTimelineItem.CallStatus.ENDED
         }
         val attributes = CallTileTimelineItem.Attributes(
-                isVoipSupported = vectorFeatures.tchapIsVoipSupported(session.sessionParams.homeServerUrl),
+                isCallSupported = vectorFeatures.tchapIsVisioSupported(session.sessionParams.homeServerUrl),
                 callId = jitsiWidgetEventsGroup.callId,
                 callKind = CallTileTimelineItem.CallKind.CONFERENCE,
                 callStatus = callStatus,
diff --git a/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/item/CallTileTimelineItem.kt b/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/item/CallTileTimelineItem.kt
index af9a82c7af..5880ae6fda 100644
--- a/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/item/CallTileTimelineItem.kt
+++ b/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/item/CallTileTimelineItem.kt
@@ -233,9 +233,9 @@ abstract class CallTileTimelineItem : AbsBaseMessageItem<CallTileTimelineItem.Ho
     }
 
     private fun renderCallSupportState(holder: Holder) {
-        val error = if (!attributes.isVoipSupported) holder.resources.getString(R.string.tchap_call_not_supported) else null
-        holder.acceptView.isEnabled = attributes.isVoipSupported
-        holder.rejectView.isEnabled = attributes.isVoipSupported
+        val error = if (!attributes.isCallSupported) holder.resources.getString(R.string.tchap_call_not_supported) else null
+        holder.acceptView.isEnabled = attributes.isCallSupported
+        holder.rejectView.isEnabled = attributes.isCallSupported
         holder.errorView.setTextOrHide(error)
     }
 
@@ -269,7 +269,7 @@ abstract class CallTileTimelineItem : AbsBaseMessageItem<CallTileTimelineItem.Ho
     }
 
     data class Attributes(
-            val isVoipSupported: Boolean,
+            val isCallSupported: Boolean,
             val callId: String,
             val callKind: CallKind,
             val callStatus: CallStatus,
diff --git a/vector/src/main/res/xml/vector_settings_root.xml b/vector/src/main/res/xml/vector_settings_root.xml
index e7700a2cab..9dcd920595 100644
--- a/vector/src/main/res/xml/vector_settings_root.xml
+++ b/vector/src/main/res/xml/vector_settings_root.xml
@@ -24,7 +24,7 @@
         android:icon="@drawable/ic_settings_root_call"
         android:title="@string/preference_voice_and_video"
         app:fragment="im.vector.app.features.settings.VectorSettingsVoiceVideoFragment"
-        app:isPreferenceVisible="@bool/tchap_is_voip_supported" />
+        app:isPreferenceVisible="@bool/tchap_is_visio_supported" />
 
     <im.vector.app.core.preference.VectorPreference
         android:icon="@drawable/ic_settings_root_security_privacy"