diff --git a/.gitignore b/.gitignore
index 98b5bf608ec..42351320980 100644
--- a/.gitignore
+++ b/.gitignore
@@ -89,3 +89,4 @@ freeline_project_description.json
 
 /gradle/verification-keyring.gpg
 /.claude/settings.local.json
+/.artifacts/
diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml
index 28b11af49de..1ae96897a26 100644
--- a/.idea/codeStyles/Project.xml
+++ b/.idea/codeStyles/Project.xml
@@ -2,31 +2,6 @@
   <code_scheme name="Project" version="173">
     <option name="CLASS_COUNT_TO_USE_IMPORT_ON_DEMAND" value="99" />
     <option name="NAMES_COUNT_TO_USE_IMPORT_ON_DEMAND" value="99" />
-    <option name="PACKAGES_TO_USE_IMPORT_ON_DEMAND">
-      <value />
-    </option>
-    <option name="IMPORT_LAYOUT_TABLE">
-      <value>
-        <package name="android" withSubpackages="true" static="false" />
-        <emptyLine />
-        <package name="com" withSubpackages="true" static="false" />
-        <emptyLine />
-        <package name="junit" withSubpackages="true" static="false" />
-        <emptyLine />
-        <package name="net" withSubpackages="true" static="false" />
-        <emptyLine />
-        <package name="org" withSubpackages="true" static="false" />
-        <emptyLine />
-        <package name="java" withSubpackages="true" static="false" />
-        <emptyLine />
-        <package name="javax" withSubpackages="true" static="false" />
-        <emptyLine />
-        <package name="" withSubpackages="true" static="false" />
-        <emptyLine />
-        <package name="" withSubpackages="true" static="true" />
-        <emptyLine />
-      </value>
-    </option>
     <option name="RIGHT_MARGIN" value="120" />
     <option name="WRAP_WHEN_TYPING_REACHES_RIGHT_MARGIN" value="true" />
     <JavaCodeStyleSettings>
diff --git a/app/src/main/java/com/nextcloud/talk/activities/CallActivity.kt b/app/src/main/java/com/nextcloud/talk/activities/CallActivity.kt
index 49bc0cfa707..1a1c156cc7a 100644
--- a/app/src/main/java/com/nextcloud/talk/activities/CallActivity.kt
+++ b/app/src/main/java/com/nextcloud/talk/activities/CallActivity.kt
@@ -90,7 +90,6 @@ import com.nextcloud.talk.events.ProximitySensorEvent
 import com.nextcloud.talk.events.WebSocketCommunicationEvent
 import com.nextcloud.talk.models.ExternalSignalingServer
 import com.nextcloud.talk.models.domain.ConversationModel
-import com.nextcloud.talk.models.domain.ConversationModel.Companion.checkIfVoiceRoom
 import com.nextcloud.talk.models.json.capabilities.CapabilitiesOverall
 import com.nextcloud.talk.models.json.conversations.Conversation
 import com.nextcloud.talk.models.json.conversations.RoomOverall
@@ -117,6 +116,7 @@ import com.nextcloud.talk.utils.ApiUtils
 import com.nextcloud.talk.utils.CapabilitiesUtil
 import com.nextcloud.talk.utils.CapabilitiesUtil.hasSpreedFeatureCapability
 import com.nextcloud.talk.utils.CapabilitiesUtil.isCallRecordingAvailable
+import com.nextcloud.talk.utils.ConversationUtils.checkIfVoiceRoom
 import com.nextcloud.talk.utils.NotificationUtils.getCallRingtoneUri
 import com.nextcloud.talk.utils.ReceiverFlag
 import com.nextcloud.talk.utils.SpreedFeatures
diff --git a/app/src/main/java/com/nextcloud/talk/api/NcApiCoroutines.kt b/app/src/main/java/com/nextcloud/talk/api/NcApiCoroutines.kt
index 3a4b377a7ef..5d34063ac0e 100644
--- a/app/src/main/java/com/nextcloud/talk/api/NcApiCoroutines.kt
+++ b/app/src/main/java/com/nextcloud/talk/api/NcApiCoroutines.kt
@@ -19,12 +19,12 @@ import com.nextcloud.talk.models.json.chatprobeattachmentfolder.ProbeConversatio
 import com.nextcloud.talk.models.json.conversations.RoomOverall
 import com.nextcloud.talk.models.json.conversations.RoomsOverall
 import com.nextcloud.talk.models.json.generic.GenericOverall
+import com.nextcloud.talk.models.json.hovercard.HoverCardOverall
 import com.nextcloud.talk.models.json.invitation.InvitationOverall
 import com.nextcloud.talk.models.json.participants.AddParticipantOverall
 import com.nextcloud.talk.models.json.participants.TalkBan
 import com.nextcloud.talk.models.json.participants.TalkBanOverall
 import com.nextcloud.talk.models.json.profile.ProfileOverall
-import com.nextcloud.talk.models.json.hovercard.HoverCardOverall
 import com.nextcloud.talk.models.json.reactions.ReactionsOverall
 import com.nextcloud.talk.models.json.status.StatusOverall
 import com.nextcloud.talk.models.json.status.predefined.PredefinedStatusOverall
@@ -46,6 +46,7 @@ import retrofit2.Response
 import retrofit2.http.Body
 import retrofit2.http.DELETE
 import retrofit2.http.Field
+import retrofit2.http.FieldMap
 import retrofit2.http.FormUrlEncoded
 import retrofit2.http.GET
 import retrofit2.http.Header
@@ -82,6 +83,14 @@ interface NcApiCoroutines {
         @QueryMap options: Map<String, String>?
     ): RoomOverall
 
+    @FormUrlEncoded
+    @POST
+    suspend fun createRoomForm(
+        @Header("Authorization") authorization: String?,
+        @Url url: String?,
+        @FieldMap options: Map<String, String>?
+    ): RoomOverall
+
     @POST
     suspend fun createRoomWithBody(
         @Header("Authorization") authorization: String?,
diff --git a/app/src/main/java/com/nextcloud/talk/chat/ChatActivity.kt b/app/src/main/java/com/nextcloud/talk/chat/ChatActivity.kt
index 3ed5ee713d7..ad82a997f47 100644
--- a/app/src/main/java/com/nextcloud/talk/chat/ChatActivity.kt
+++ b/app/src/main/java/com/nextcloud/talk/chat/ChatActivity.kt
@@ -132,7 +132,6 @@ import com.nextcloud.talk.jobs.UploadAndShareFilesWorker
 import com.nextcloud.talk.location.LocationPickerActivity
 import com.nextcloud.talk.models.ExternalSignalingServer
 import com.nextcloud.talk.models.domain.ConversationModel
-import com.nextcloud.talk.models.domain.ConversationModel.Companion.checkIfVoiceRoom
 import com.nextcloud.talk.models.json.capabilities.SpreedCapability
 import com.nextcloud.talk.models.json.chat.ChatMessageJson
 import com.nextcloud.talk.models.json.conversations.ConversationEnums
@@ -175,6 +174,7 @@ import com.nextcloud.talk.utils.CapabilitiesUtil.retentionOfClassifiedRoom
 import com.nextcloud.talk.utils.CapabilitiesUtil.retentionOfSIPRoom
 import com.nextcloud.talk.utils.ContactUtils
 import com.nextcloud.talk.utils.ConversationUtils
+import com.nextcloud.talk.utils.ConversationUtils.checkIfVoiceRoom
 import com.nextcloud.talk.utils.DateConstants
 import com.nextcloud.talk.utils.DateUtils
 import com.nextcloud.talk.utils.DisplayUtils
@@ -1971,7 +1971,8 @@ class ChatActivity :
             !isChatThread() &&
             !ConversationUtils.isNoteToSelfConversation(conversation) &&
             !isReadOnlyConversation() &&
-            !shouldShowLobby()
+            !shouldShowLobby() &&
+            !ConversationUtils.isChannel(conversation, spreedCapabilities)
 
     private fun isSearchAvailable(capabilitiesReady: Boolean, conversation: ConversationModel?): Boolean =
         capabilitiesReady &&
@@ -2243,8 +2244,11 @@ class ChatActivity :
     }
 
     private fun checkShowMessageInputView() {
+        val permissions = participantPermissionsFlow.value
+        val isChannel = ConversationUtils.isChannel(currentConversation, spreedCapabilities)
+
         if (isReadOnlyConversation() ||
-            participantPermissionsFlow.value?.hasChatPermission() == false
+            (permissions?.hasChatPermission() == false && (!isChannel || permissions.hasReactPermission() == false))
         ) {
             binding.fragmentContainerActivityChat.visibility = View.GONE
         } else {
@@ -2816,7 +2820,7 @@ class ChatActivity :
         )
     }
 
-    public override fun onDestroy() {
+    override fun onDestroy() {
         super.onDestroy()
         logConversationInfos("onDestroy")
 
diff --git a/app/src/main/java/com/nextcloud/talk/chat/MessageInputFragment.kt b/app/src/main/java/com/nextcloud/talk/chat/MessageInputFragment.kt
index 93c79a90b8e..d5c6df9ab68 100644
--- a/app/src/main/java/com/nextcloud/talk/chat/MessageInputFragment.kt
+++ b/app/src/main/java/com/nextcloud/talk/chat/MessageInputFragment.kt
@@ -82,6 +82,7 @@ import com.nextcloud.talk.users.UserManager
 import com.nextcloud.talk.utils.ApiUtils
 import com.nextcloud.talk.utils.CapabilitiesUtil
 import com.nextcloud.talk.utils.CharPolicy
+import com.nextcloud.talk.utils.ConversationUtils
 import com.nextcloud.talk.utils.DateUtils
 import com.nextcloud.talk.utils.DisplayUtils
 import com.nextcloud.talk.utils.EmojiTextInputEditText
@@ -184,6 +185,12 @@ class MessageInputFragment : Fragment() {
             val threadTitle = text.toString()
             chatActivity.chatViewModel.messageDraft.threadTitle = threadTitle
         }
+
+        viewLifecycleOwner.lifecycleScope.launch {
+            chatActivity.participantPermissionsFlow.collect {
+                handleButtonsVisibility()
+            }
+        }
     }
 
     @Suppress("LongMethod")
@@ -198,6 +205,7 @@ class MessageInputFragment : Fragment() {
                     initVoiceRecordButton()
                     initThreadHandling()
                     updateScheduledMessagesAvailability(hasScheduledMessages)
+                    setReactionsOnly(state.spreedCapabilities)
                 }
 
                 is ChatViewModel.GetCapabilitiesInitialLoadState -> {
@@ -208,6 +216,7 @@ class MessageInputFragment : Fragment() {
                     initThreadHandling()
                     updateScheduledMessagesAvailability(hasScheduledMessages)
                     restoreState()
+                    setReactionsOnly(state.spreedCapabilities)
                 }
 
                 else -> {}
@@ -343,6 +352,17 @@ class MessageInputFragment : Fragment() {
         }
     }
 
+    private fun setReactionsOnly(spreedCapabilities: SpreedCapability) {
+        val isReactionOnly = isReactionOnlyMode(spreedCapabilities)
+        if (isReactionOnly) {
+            binding.fragmentMessageInputView.setVisible(false)
+            binding.reactionOnlyAffordance.setVisible(true)
+        } else {
+            binding.fragmentMessageInputView.setVisible(true)
+            binding.reactionOnlyAffordance.setVisible(false)
+        }
+    }
+
     private fun handleUI(isOnline: Boolean, connectionGained: Boolean) {
         if (isOnline) {
             if (connectionGained) {
@@ -706,16 +726,16 @@ class MessageInputFragment : Fragment() {
         }
     }
 
+    fun View.setVisible(isVisible: Boolean) {
+        visibility = if (isVisible) View.VISIBLE else View.GONE
+    }
+
     private fun handleButtonsVisibility() {
         if (!this::binding.isInitialized) {
             Log.w(TAG, "binding not initialized in handleButtonsVisibility")
             return
         }
 
-        fun View.setVisible(isVisible: Boolean) {
-            visibility = if (isVisible) View.VISIBLE else View.GONE
-        }
-
         val isEditModeActive = binding.fragmentEditView.editMessageView.isVisible
         val isThreadCreateModeActive = binding.fragmentCreateThreadView.createThreadView.isVisible
         val inputContainsText = binding.fragmentMessageInputView.messageInput.text.isNotEmpty()
@@ -1287,6 +1307,13 @@ class MessageInputFragment : Fragment() {
         return jsonId != null
     }
 
+    private fun isReactionOnlyMode(spreedCapabilities: SpreedCapability): Boolean {
+        val conversation = chatActivity.currentConversation
+        val permissions = chatActivity.participantPermissionsFlow.value
+        val isChannel = ConversationUtils.isChannel(conversation, spreedCapabilities)
+        return isChannel && permissions?.hasChatPermission() == false && permissions.hasReactPermission() == true
+    }
+
     companion object {
         fun newInstance() = MessageInputFragment()
         private val TAG: String = MessageInputFragment::class.java.simpleName
diff --git a/app/src/main/java/com/nextcloud/talk/chat/data/network/OfflineFirstChatRepository.kt b/app/src/main/java/com/nextcloud/talk/chat/data/network/OfflineFirstChatRepository.kt
index ef2f10ead0c..c726948135b 100644
--- a/app/src/main/java/com/nextcloud/talk/chat/data/network/OfflineFirstChatRepository.kt
+++ b/app/src/main/java/com/nextcloud/talk/chat/data/network/OfflineFirstChatRepository.kt
@@ -529,9 +529,7 @@ class OfflineFirstChatRepository @Inject constructor(
             val queriedMessageId = fieldMap["lastKnownMessageId"]
             val lookIntoFuture = fieldMap["lookIntoFuture"] == 1
 
-            val result = pullMessagesFlow(bundle).first()
-
-            when (result) {
+            when (val result = pullMessagesFlow(bundle).first()) {
                 is ChatPullResult.Success -> {
                     newXChatLastCommonRead = result.lastCommonRead
                     updateUiForLastCommonRead()
diff --git a/app/src/main/java/com/nextcloud/talk/chat/ui/MessageActionsBottomSheet.kt b/app/src/main/java/com/nextcloud/talk/chat/ui/MessageActionsBottomSheet.kt
index 22b1c6781f0..ef0403ccb90 100644
--- a/app/src/main/java/com/nextcloud/talk/chat/ui/MessageActionsBottomSheet.kt
+++ b/app/src/main/java/com/nextcloud/talk/chat/ui/MessageActionsBottomSheet.kt
@@ -184,7 +184,8 @@ internal fun buildMessageActionsState(
     val messageIsEditable = hasSpreedFeatureCapability(spreedCapabilities, SpreedFeatures.EDIT_MESSAGES) &&
         (messageHasRegularText || messageHasCaptions) &&
         !isOlderThanTwentyFourHours &&
-        isUserAllowedByPrivileges
+        isUserAllowedByPrivileges &&
+        hasChatPermission
     val isMessageEditable = isNoTimeLimitOnNoteToSelf || messageIsEditable || isMessageBotOneToOne
 
     val hasDeleteMessagesUnlimitedCapability =
diff --git a/app/src/main/java/com/nextcloud/talk/chat/viewmodels/ChatViewModel.kt b/app/src/main/java/com/nextcloud/talk/chat/viewmodels/ChatViewModel.kt
index ff5ae076f87..11c1a0bb49d 100644
--- a/app/src/main/java/com/nextcloud/talk/chat/viewmodels/ChatViewModel.kt
+++ b/app/src/main/java/com/nextcloud/talk/chat/viewmodels/ChatViewModel.kt
@@ -35,6 +35,7 @@ import com.nextcloud.talk.conversationlist.DirectShareHelper
 import com.nextcloud.talk.conversationlist.data.OfflineConversationsRepository
 import com.nextcloud.talk.conversationlist.data.network.OfflineFirstConversationsRepository
 import com.nextcloud.talk.conversationlist.viewmodels.ConversationsListViewModel.Companion.FOLLOWED_THREADS_EXIST
+import com.nextcloud.talk.dagger.modules.ApplicationScope
 import com.nextcloud.talk.data.database.mappers.toDomainModel
 import com.nextcloud.talk.data.database.model.ChatMessageEntity
 import com.nextcloud.talk.data.user.model.User
@@ -80,7 +81,6 @@ import io.reactivex.Observer
 import io.reactivex.android.schedulers.AndroidSchedulers
 import io.reactivex.disposables.Disposable
 import io.reactivex.schedulers.Schedulers
-import com.nextcloud.talk.dagger.modules.ApplicationScope
 import kotlinx.coroutines.CancellationException
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
@@ -496,6 +496,11 @@ class ChatViewModel @AssistedInject constructor(
                 replay = 1
             )
 
+    private val isChannelFlow: Flow<Boolean> =
+        combine(conversationAndUserFlow, spreedCapabilities) { (conversation, _), capabilities ->
+            ConversationUtils.isChannel(conversation, capabilities)
+        }.distinctUntilChanged()
+
     // ------------------------------
     // Messages
     // ------------------------------
@@ -531,10 +536,10 @@ class ChatViewModel @AssistedInject constructor(
                             .distinctUntilChanged()
                             .mapToChatMessages(user.userId!!)
                     }
-            }
-            .map { messages ->
-                messages.let(::handleSystemMessages)
-                    .let(::handleThreadMessages)
+                    .combine(isChannelFlow) { messages, isChannel ->
+                        handleSystemMessages(messages, isChannel)
+                            .let(::handleThreadMessages)
+                    }
             }
             .distinctUntilChanged()
 
@@ -1367,7 +1372,11 @@ class ChatViewModel @AssistedInject constructor(
         }
         Log.d(TAG, "fetchNewMessagesWithRetry: no new messages after $POST_UPLOAD_FETCH_MAX_ATTEMPTS attempts")
     }
-    private fun handleSystemMessages(chatMessageList: List<ChatMessage>): List<ChatMessage> {
+    private fun handleSystemMessages(chatMessageList: List<ChatMessage>, isChannel: Boolean): List<ChatMessage> {
+        if (isChannel) {
+            return chatMessageList.filter { !it.isSystemMessage }
+        }
+
         fun shouldRemoveMessage(currentMessage: MutableMap.MutableEntry<Int, ChatMessage>): Boolean =
             isInfoMessageAboutDeletion(currentMessage) ||
                 isReactionsMessage(currentMessage) ||
diff --git a/app/src/main/java/com/nextcloud/talk/conversationcreation/ConversationCreationActivity.kt b/app/src/main/java/com/nextcloud/talk/conversationcreation/ConversationCreationActivity.kt
index 9a7e2f0d181..17ba8e34321 100644
--- a/app/src/main/java/com/nextcloud/talk/conversationcreation/ConversationCreationActivity.kt
+++ b/app/src/main/java/com/nextcloud/talk/conversationcreation/ConversationCreationActivity.kt
@@ -43,7 +43,9 @@ import androidx.compose.foundation.shape.CircleShape
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.foundation.verticalScroll
 import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.outlined.Campaign
 import androidx.compose.material.icons.outlined.Chat
+import androidx.compose.material.icons.outlined.Podcasts
 import androidx.compose.material.icons.outlined.VolumeUp
 import androidx.compose.material3.AlertDialog
 import androidx.compose.material3.Button
@@ -55,6 +57,7 @@ import androidx.compose.material3.IconButton
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.OutlinedTextField
 import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Surface
 import androidx.compose.material3.Switch
 import androidx.compose.material3.Text
 import androidx.compose.material3.TextButton
@@ -381,30 +384,68 @@ fun ConversationNameAndDescription(conversationCreationViewModel: ConversationCr
 @Composable
 fun ConversationPresets(conversationCreationViewModel: ConversationCreationViewModel) {
     val preset by conversationCreationViewModel.conversationPreset
+    val hasAnnouncementPresetCapability = CapabilitiesUtil.hasSpreedFeatureCapability(
+        conversationCreationViewModel.currentUser.capabilities?.spreedCapability,
+        SpreedFeatures.ANNOUNCEMENT_PRESET
+    )
+    val showAnnouncementPreset = hasAnnouncementPresetCapability &&
+        CapabilitiesUtil.isAdmin(conversationCreationViewModel.currentUser.capabilities?.spreedCapability)
 
-    Row(
+    Column(
         modifier = Modifier
             .fillMaxWidth()
             .padding(16.dp),
-        horizontalArrangement = Arrangement.spacedBy(12.dp)
+        verticalArrangement = Arrangement.spacedBy(12.dp)
     ) {
-        SelectableCard(
-            modifier = Modifier.weight(1f),
-            title = stringResource(R.string.default_room),
-            subtitle = stringResource(R.string.default_room_preset),
-            icon = Icons.Outlined.Chat,
-            isSelected = preset == "default",
-            onClick = { conversationCreationViewModel.conversationPreset.value = "default" }
-        )
+        Row(
+            horizontalArrangement = Arrangement.spacedBy(12.dp)
+        ) {
+            SelectableCard(
+                modifier = Modifier.weight(1f),
+                title = stringResource(R.string.default_room),
+                subtitle = stringResource(R.string.default_room_preset),
+                icon = Icons.Outlined.Chat,
+                isSelected = preset == "default",
+                onClick = { conversationCreationViewModel.updateConversationPreset("default") }
+            )
 
-        SelectableCard(
-            modifier = Modifier.weight(1f),
-            title = stringResource(R.string.voice_room),
-            subtitle = stringResource(R.string.voice_room_preset),
-            icon = Icons.Outlined.VolumeUp,
-            isSelected = preset == "voiceroom",
-            onClick = { conversationCreationViewModel.conversationPreset.value = "voiceroom" }
-        )
+            SelectableCard(
+                modifier = Modifier.weight(1f),
+                title = stringResource(R.string.voice_room),
+                subtitle = stringResource(R.string.voice_room_preset),
+                icon = Icons.Outlined.VolumeUp,
+                isSelected = preset == "voiceroom",
+                onClick = { conversationCreationViewModel.updateConversationPreset("voiceroom") }
+            )
+        }
+
+        if (hasAnnouncementPresetCapability) {
+            Row(
+                horizontalArrangement = Arrangement.spacedBy(12.dp)
+            ) {
+                SelectableCard(
+                    modifier = Modifier.weight(1f),
+                    title = stringResource(R.string.nc_channel),
+                    subtitle = stringResource(R.string.nc_channel_description),
+                    icon = Icons.Outlined.Podcasts,
+                    isSelected = preset == "channel",
+                    onClick = { conversationCreationViewModel.updateConversationPreset("channel") }
+                )
+
+                if (showAnnouncementPreset) {
+                    SelectableCard(
+                        modifier = Modifier.weight(1f),
+                        title = stringResource(R.string.nc_announcement),
+                        subtitle = stringResource(R.string.nc_announcement_description),
+                        icon = Icons.Outlined.Campaign,
+                        isSelected = preset == "announcement",
+                        onClick = { conversationCreationViewModel.updateConversationPreset("announcement") }
+                    )
+                } else {
+                    Spacer(modifier = Modifier.weight(1f))
+                }
+            }
+        }
     }
 }
 
@@ -416,7 +457,8 @@ fun SelectableCard(
     subtitle: String,
     icon: ImageVector,
     isSelected: Boolean,
-    onClick: () -> Unit
+    onClick: () -> Unit,
+    badgeText: String? = null
 ) {
     val borderColor = if (isSelected) Color.LightGray else Color.Transparent
     val borderWidth = 1.dp
@@ -444,10 +486,25 @@ fun SelectableCard(
             Text(
                 text = title,
                 fontWeight = FontWeight.Bold,
-                fontSize = 15.sp
+                fontSize = 15.sp,
+                modifier = Modifier.weight(1f, fill = false)
             )
         }
 
+        if (badgeText != null) {
+            Surface(
+                color = MaterialTheme.colorScheme.primaryContainer,
+                shape = RoundedCornerShape(4.dp)
+            ) {
+                Text(
+                    text = badgeText,
+                    modifier = Modifier.padding(horizontal = 4.dp, vertical = 2.dp),
+                    style = MaterialTheme.typography.labelSmall,
+                    color = MaterialTheme.colorScheme.onPrimaryContainer
+                )
+            }
+        }
+
         Spacer(modifier = Modifier.height(12.dp))
 
         Text(
diff --git a/app/src/main/java/com/nextcloud/talk/conversationcreation/data/ConversationCreationRepository.kt b/app/src/main/java/com/nextcloud/talk/conversationcreation/data/ConversationCreationRepository.kt
index 1187394263a..a7164fd2297 100644
--- a/app/src/main/java/com/nextcloud/talk/conversationcreation/data/ConversationCreationRepository.kt
+++ b/app/src/main/java/com/nextcloud/talk/conversationcreation/data/ConversationCreationRepository.kt
@@ -7,6 +7,7 @@
 
 package com.nextcloud.talk.conversationcreation.data
 
+import com.nextcloud.talk.conversationinfo.CreateRoomRequest
 import com.nextcloud.talk.data.user.model.User
 import com.nextcloud.talk.models.RetrofitBucket
 import com.nextcloud.talk.models.domain.ConversationModel
@@ -26,6 +27,7 @@ interface ConversationCreationRepository {
     suspend fun openConversation(credentials: String?, url: String, roomToken: String, scope: Int): GenericOverall
     suspend fun addParticipants(credentials: String?, retrofitBucket: RetrofitBucket): AddParticipantOverall
     suspend fun createRoom(credentials: String?, retrofitBucket: RetrofitBucket): RoomOverall
+    suspend fun createRoomWithBody(credentials: String?, url: String, body: CreateRoomRequest): RoomOverall
     suspend fun setPassword(credentials: String?, url: String, roomToken: String, password: String): GenericOverall
     suspend fun uploadConversationAvatar(
         credentials: String?,
diff --git a/app/src/main/java/com/nextcloud/talk/conversationcreation/data/ConversationCreationRepositoryImpl.kt b/app/src/main/java/com/nextcloud/talk/conversationcreation/data/ConversationCreationRepositoryImpl.kt
index ce43cfe2a6f..cda99f9fa76 100644
--- a/app/src/main/java/com/nextcloud/talk/conversationcreation/data/ConversationCreationRepositoryImpl.kt
+++ b/app/src/main/java/com/nextcloud/talk/conversationcreation/data/ConversationCreationRepositoryImpl.kt
@@ -8,6 +8,7 @@
 package com.nextcloud.talk.conversationcreation.data
 
 import com.nextcloud.talk.api.NcApiCoroutines
+import com.nextcloud.talk.conversationinfo.CreateRoomRequest
 import com.nextcloud.talk.data.user.model.User
 import com.nextcloud.talk.models.RetrofitBucket
 import com.nextcloud.talk.models.domain.ConversationModel
@@ -58,7 +59,7 @@ class ConversationCreationRepositoryImpl @Inject constructor(private val ncApiCo
     }
 
     override suspend fun createRoom(credentials: String?, retrofitBucket: RetrofitBucket): RoomOverall {
-        val response = ncApiCoroutines.createRoom(
+        val response = ncApiCoroutines.createRoomForm(
             credentials,
             retrofitBucket.url,
             retrofitBucket.queryMap
@@ -66,6 +67,11 @@ class ConversationCreationRepositoryImpl @Inject constructor(private val ncApiCo
         return response
     }
 
+    override suspend fun createRoomWithBody(credentials: String?, url: String, body: CreateRoomRequest): RoomOverall {
+        val response = ncApiCoroutines.createRoomWithBody(credentials, url, body)
+        return response
+    }
+
     override suspend fun setPassword(
         credentials: String?,
         url: String,
diff --git a/app/src/main/java/com/nextcloud/talk/conversationcreation/viewmodel/ConversationCreationViewModel.kt b/app/src/main/java/com/nextcloud/talk/conversationcreation/viewmodel/ConversationCreationViewModel.kt
index cd2677acea4..e75d089fca6 100644
--- a/app/src/main/java/com/nextcloud/talk/conversationcreation/viewmodel/ConversationCreationViewModel.kt
+++ b/app/src/main/java/com/nextcloud/talk/conversationcreation/viewmodel/ConversationCreationViewModel.kt
@@ -14,15 +14,12 @@ import androidx.core.net.toFile
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.nextcloud.talk.conversationcreation.data.ConversationCreationRepository
+import com.nextcloud.talk.conversationinfo.CreateRoomRequest
 import com.nextcloud.talk.data.user.model.User
-import com.nextcloud.talk.models.RetrofitBucket
 import com.nextcloud.talk.models.json.autocomplete.AutocompleteUser
 import com.nextcloud.talk.models.json.conversations.Conversation
-import com.nextcloud.talk.models.json.generic.GenericMeta
-import com.nextcloud.talk.repositories.conversations.ConversationsRepositoryImpl.Companion.STATUS_CODE_OK
 import com.nextcloud.talk.utils.ApiUtils
-import com.nextcloud.talk.utils.ApiUtils.getRetrofitBucketForAddParticipant
-import com.nextcloud.talk.utils.ApiUtils.getRetrofitBucketForAddParticipantWithSource
+import com.nextcloud.talk.utils.ParticipantPermissions
 import com.nextcloud.talk.utils.database.user.CurrentUserProviderOld
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
@@ -68,7 +65,6 @@ class ConversationCreationViewModel @Inject constructor(
     var isConversationAvailableForRegisteredUsers = mutableStateOf(false)
     val conversationPreset = mutableStateOf("default")
     var openForGuestAppUsers = mutableStateOf(false)
-    private val addParticipantsViewState = MutableStateFlow<AddParticipantsUiState>(AddParticipantsUiState.None)
     private val allowGuestsResult = MutableStateFlow<AllowGuestsUiState>(AllowGuestsUiState.None)
     fun updateRoomName(roomName: String) {
         _roomName.value = roomName
@@ -82,6 +78,24 @@ class ConversationCreationViewModel @Inject constructor(
         _conversationDescription.value = conversationDescription
     }
 
+    fun updateConversationPreset(preset: String) {
+        conversationPreset.value = preset
+        when (preset) {
+            "default", "voiceroom" -> {
+                isConversationAvailableForRegisteredUsers.value = false
+                openForGuestAppUsers.value = false
+            }
+            "channel" -> {
+                isConversationAvailableForRegisteredUsers.value = true
+                openForGuestAppUsers.value = false
+            }
+            "announcement" -> {
+                isConversationAvailableForRegisteredUsers.value = false
+                openForGuestAppUsers.value = false
+            }
+        }
+    }
+
     @Suppress("Detekt.TooGenericExceptionCaught", "LongMethod")
     fun createRoomAndAddParticipants(
         roomType: String,
@@ -101,16 +115,24 @@ class ConversationCreationViewModel @Inject constructor(
             try {
                 val apiVersion =
                     ApiUtils.getConversationApiVersion(_currentUser, intArrayOf(ApiUtils.API_V4, ApiUtils.API_V1))
-                val retrofitBucket: RetrofitBucket = ApiUtils.getRetrofitBucketForCreateRoom(
-                    version = apiVersion,
-                    baseUrl = _currentUser.baseUrl,
-                    roomType = roomType,
-                    preset = preset,
-                    conversationName = conversationName
-                )
-                val roomResult = repository.createRoom(
+                val url = ApiUtils.getUrlForRooms(apiVersion, _currentUser.baseUrl)
+                val body = CreateRoomRequest().apply {
+                    this.roomType = roomType
+                    this.roomName = conversationName
+                    this.preset = preset
+                    this.description = _conversationDescription.value
+                    this.listable = scope
+                    this.participants = convertAutocompleteUserToParticipants(participants)
+
+                    if (preset == "channel" || preset == "announcement") {
+                        this.permissions = ParticipantPermissions.DEFAULT_GROUP_PERMISSIONS and
+                            ParticipantPermissions.CHAT.inv()
+                    }
+                }
+                val roomResult = repository.createRoomWithBody(
                     credentials,
-                    retrofitBucket
+                    url,
+                    body
                 )
                 val conversation = roomResult.ocs?.data
 
@@ -118,66 +140,6 @@ class ConversationCreationViewModel @Inject constructor(
                     val token = conversation.token
                     if (token != null) {
                         try {
-                            val apiVersion = ApiUtils.getConversationApiVersion(
-                                _currentUser,
-                                intArrayOf(ApiUtils.API_V4, ApiUtils.API_V1)
-                            )
-                            val url = ApiUtils.getUrlForConversationDescription(
-                                apiVersion,
-                                _currentUser.baseUrl,
-                                token
-                            )
-
-                            repository.setConversationDescription(
-                                credentials,
-                                url,
-                                token,
-                                _conversationDescription.value
-                            )
-
-                            val urlForRoomPublic = ApiUtils.getUrlForRoomPublic(
-                                apiVersion,
-                                _currentUser.baseUrl!!,
-                                token
-                            )
-                            val allowGuestResultOverall = repository.allowGuests(
-                                credentials,
-                                urlForRoomPublic,
-                                token,
-                                isGuestsAllowed.value
-                            )
-                            val statusCode: GenericMeta? = allowGuestResultOverall.ocs?.meta
-                            val result = (statusCode?.statusCode == STATUS_CODE_OK)
-                            if (result) {
-                                allowGuestsResult.value = AllowGuestsUiState.Success(result)
-                                for (participant in participants) {
-                                    if (participant.id != null) {
-                                        val retrofitBucket: RetrofitBucket = if (participant.source!! == "users") {
-                                            getRetrofitBucketForAddParticipant(
-                                                apiVersion,
-                                                _currentUser.baseUrl,
-                                                token,
-                                                participant.id!!
-                                            )
-                                        } else {
-                                            getRetrofitBucketForAddParticipantWithSource(
-                                                apiVersion,
-                                                _currentUser.baseUrl,
-                                                token,
-                                                participant.source!!,
-                                                participant.id!!
-                                            )
-                                        }
-
-                                        val participantOverall = repository.addParticipants(
-                                            credentials,
-                                            retrofitBucket
-                                        ).ocs?.data
-                                        addParticipantsViewState.value =
-                                            AddParticipantsUiState.Success(participantOverall)
-                                    }
-                                }
-                            }
                             if (_password.value.isNotEmpty()) {
                                 val url = ApiUtils.getUrlForRoomPassword(
                                     apiVersion,
@@ -236,6 +198,23 @@ class ConversationCreationViewModel @Inject constructor(
         }
     }
 
+    private fun convertAutocompleteUserToParticipants(
+        autocompleteUsers: Set<AutocompleteUser>
+    ): com.nextcloud.talk.conversationinfo.Participants {
+        val participants = com.nextcloud.talk.conversationinfo.Participants()
+        autocompleteUsers.forEach { autocompleteUser ->
+            when (autocompleteUser.source) {
+                "groups" -> participants.groups.add(autocompleteUser.id!!)
+                "emails" -> participants.emails.add(autocompleteUser.id!!)
+                "circles" -> participants.teams.add(autocompleteUser.id!!)
+                "federated" -> participants.federatedUsers.add(autocompleteUser.id!!)
+                "phones" -> participants.phones.add(autocompleteUser.id!!)
+                else -> participants.users.add(autocompleteUser.id!!)
+            }
+        }
+        return participants
+    }
+
     fun getImageUri(avatarId: String, requestBigSize: Boolean, isDarkMode: Boolean): String =
         ApiUtils.getUrlForAvatar(_currentUser.baseUrl, avatarId, requestBigSize, darkMode = isDarkMode)
 }
diff --git a/app/src/main/java/com/nextcloud/talk/conversationinfo/CreateRoomRequest.kt b/app/src/main/java/com/nextcloud/talk/conversationinfo/CreateRoomRequest.kt
index 9aa8b6b027f..9fdcde9b0c0 100644
--- a/app/src/main/java/com/nextcloud/talk/conversationinfo/CreateRoomRequest.kt
+++ b/app/src/main/java/com/nextcloud/talk/conversationinfo/CreateRoomRequest.kt
@@ -16,6 +16,12 @@ data class CreateRoomRequest(
     var roomType: String,
     @JsonField(name = ["roomName"])
     var roomName: String? = null,
+    @JsonField(name = ["invite"])
+    var invite: String? = null,
+    @JsonField(name = ["source"])
+    var source: String? = null,
+    @JsonField(name = ["preset"])
+    var preset: String? = null,
     @JsonField(name = ["objectType"])
     var objectType: String? = null,
     @JsonField(name = ["objectId"])
@@ -23,23 +29,23 @@ data class CreateRoomRequest(
     @JsonField(name = ["password"])
     var password: String? = null,
     @JsonField(name = ["readOnly"])
-    var readOnly: Int,
+    var readOnly: Int? = null,
     @JsonField(name = ["listable"])
-    var listable: Int,
+    var listable: Int? = null,
     @JsonField(name = ["messageExpiration"])
     var messageExpiration: Int? = null,
     @JsonField(name = ["lobbyState"])
     var lobbyState: Int? = null,
     @JsonField(name = ["lobbyTimer"])
-    var lobbyTimer: Int,
+    var lobbyTimer: Int? = null,
     @JsonField(name = ["sipEnabled"])
-    var sipEnabled: Int,
+    var sipEnabled: Int? = null,
     @JsonField(name = ["permissions"])
-    var permissions: Int,
+    var permissions: Int? = null,
     @JsonField(name = ["recordingConsent"])
-    var recordingConsent: Int,
+    var recordingConsent: Int? = null,
     @JsonField(name = ["mentionPermissions"])
-    var mentionPermissions: Int,
+    var mentionPermissions: Int? = null,
     @JsonField(name = ["description"])
     var description: String? = null,
     @JsonField(name = ["emoji"])
@@ -49,24 +55,5 @@ data class CreateRoomRequest(
     @JsonField(name = ["participants"])
     var participants: Participants? = null
 ) {
-    constructor() : this(
-        0.toString(),
-        "",
-        "",
-        "",
-        "",
-        0,
-        0,
-        0,
-        0,
-        0,
-        0,
-        0,
-        0,
-        0,
-        "",
-        "",
-        "",
-        Participants()
-    )
+    constructor() : this(roomType = "2")
 }
diff --git a/app/src/main/java/com/nextcloud/talk/conversationinfo/viewmodel/ConversationInfoViewModel.kt b/app/src/main/java/com/nextcloud/talk/conversationinfo/viewmodel/ConversationInfoViewModel.kt
index a1e1bde1e9b..0e8e0afd0a4 100644
--- a/app/src/main/java/com/nextcloud/talk/conversationinfo/viewmodel/ConversationInfoViewModel.kt
+++ b/app/src/main/java/com/nextcloud/talk/conversationinfo/viewmodel/ConversationInfoViewModel.kt
@@ -421,6 +421,9 @@ class ConversationInfoViewModel @Inject constructor(
         val showMessageExpiration = isModerator &&
             hasSpreedFeatureCapability(spreedCapabilities, SpreedFeatures.MESSAGE_EXPIRATION)
 
+        val isChannel = ConversationUtils.isChannel(conversationModel, spreedCapabilities)
+        val showParticipants = if (isChannel) isModerator else true
+
         val credentials = ApiUtils.getCredentials(user.username, user.token) ?: ""
 
         _uiState.update { state ->
@@ -471,12 +474,15 @@ class ConversationInfoViewModel @Inject constructor(
                 isArchived = isArchived,
                 canLeave = canLeave,
                 canDelete = canDelete,
+                showParticipants = showParticipants,
                 showClearHistory = showClearHistory,
                 showEditButton = showEditButton
             )
         }
 
-        loadParticipants(user, token)
+        if (showParticipants) {
+            loadParticipants(user, token)
+        }
     }
 
     @Suppress("Detekt.TooGenericExceptionCaught")
diff --git a/app/src/main/java/com/nextcloud/talk/conversationlist/ConversationsListActivity.kt b/app/src/main/java/com/nextcloud/talk/conversationlist/ConversationsListActivity.kt
index d330d84a0c4..5ace6396dc9 100644
--- a/app/src/main/java/com/nextcloud/talk/conversationlist/ConversationsListActivity.kt
+++ b/app/src/main/java/com/nextcloud/talk/conversationlist/ConversationsListActivity.kt
@@ -65,7 +65,6 @@ import com.nextcloud.talk.jobs.DeleteConversationWorker
 import com.nextcloud.talk.jobs.LeaveConversationWorker
 import com.nextcloud.talk.jobs.UploadAndShareFilesWorker
 import com.nextcloud.talk.models.domain.ConversationModel
-import com.nextcloud.talk.models.domain.ConversationModel.Companion.checkIfVoiceRoom
 import com.nextcloud.talk.models.domain.SearchMessageEntry
 import com.nextcloud.talk.models.json.conversations.ConversationEnums
 import com.nextcloud.talk.settings.SettingsActivity
@@ -83,6 +82,7 @@ import com.nextcloud.talk.utils.CapabilitiesUtil.hasSpreedFeatureCapability
 import com.nextcloud.talk.utils.CapabilitiesUtil.isServerEOL
 import com.nextcloud.talk.utils.ClosedInterfaceImpl
 import com.nextcloud.talk.utils.ConversationUtils
+import com.nextcloud.talk.utils.ConversationUtils.checkIfVoiceRoom
 import com.nextcloud.talk.utils.FileUtils
 import com.nextcloud.talk.utils.Mimetype
 import com.nextcloud.talk.utils.NotificationUtils
diff --git a/app/src/main/java/com/nextcloud/talk/models/domain/ConversationModel.kt b/app/src/main/java/com/nextcloud/talk/models/domain/ConversationModel.kt
index e0ae62452fc..a4e41c3ee49 100644
--- a/app/src/main/java/com/nextcloud/talk/models/domain/ConversationModel.kt
+++ b/app/src/main/java/com/nextcloud/talk/models/domain/ConversationModel.kt
@@ -76,11 +76,6 @@ data class ConversationModel(
 ) {
 
     companion object {
-        fun ConversationModel?.checkIfVoiceRoom(): Boolean =
-            this?.attributes?.let {
-                it and ConversationEnums.Preset.VOICE_ROOM.ordinal != 0
-            } ?: false
-
         @Suppress("LongMethod")
         fun mapToConversationModel(conversation: Conversation, user: User): ConversationModel =
             ConversationModel(
diff --git a/app/src/main/java/com/nextcloud/talk/models/json/conversations/ConversationEnums.kt b/app/src/main/java/com/nextcloud/talk/models/json/conversations/ConversationEnums.kt
index 1066c423c91..28db2f8e078 100644
--- a/app/src/main/java/com/nextcloud/talk/models/json/conversations/ConversationEnums.kt
+++ b/app/src/main/java/com/nextcloud/talk/models/json/conversations/ConversationEnums.kt
@@ -51,8 +51,10 @@ class ConversationEnums {
         CLASSIFIED
     }
 
-    enum class Preset {
-        DEFAULT,
-        VOICE_ROOM
+    companion object {
+        const val ATTRIBUTE_IS_VOICE_ROOM = 1
+        const val ATTRIBUTE_IS_CLASSIFIED = 4
+        const val ATTRIBUTE_IS_CHANNEL = 8
+        const val ATTRIBUTE_IS_ANNOUNCEMENT = 16
     }
 }
diff --git a/app/src/main/java/com/nextcloud/talk/utils/CapabilitiesUtil.kt b/app/src/main/java/com/nextcloud/talk/utils/CapabilitiesUtil.kt
index 6e11eed629c..7bc177c8a54 100644
--- a/app/src/main/java/com/nextcloud/talk/utils/CapabilitiesUtil.kt
+++ b/app/src/main/java/com/nextcloud/talk/utils/CapabilitiesUtil.kt
@@ -67,6 +67,7 @@ enum class SpreedFeatures(val value: String) {
     REACT_PERMISSION("react-permission"),
     CONVERSATION_PRESETS("conversation-presets"),
     CLASSIFIED_CONVERSATIONS("classified-conversations"),
+    ANNOUNCEMENT_PRESET("announcement-preset"),
     CONVERSATION_TAGS("conversation-tags")
 }
 
@@ -297,6 +298,16 @@ object CapabilitiesUtil {
     fun isBanningAvailable(spreedCapabilities: SpreedCapability): Boolean =
         hasSpreedFeatureCapability(spreedCapabilities, SpreedFeatures.BAN_V1)
 
+    fun isAdmin(spreedCapabilities: SpreedCapability?): Boolean {
+        if (spreedCapabilities?.config?.containsKey("conversations") == true) {
+            val map = spreedCapabilities.config!!["conversations"]
+            if (map?.containsKey("is-admin") == true) {
+                return map["is-admin"].toString().toBoolean()
+            }
+        }
+        return false
+    }
+
     // endregion
 
     //region SpreedCapabilities that can't be used with federation as the settings for them are global
diff --git a/app/src/main/java/com/nextcloud/talk/utils/ConversationUtils.kt b/app/src/main/java/com/nextcloud/talk/utils/ConversationUtils.kt
index 6af15ccc1ed..d47b53739bd 100644
--- a/app/src/main/java/com/nextcloud/talk/utils/ConversationUtils.kt
+++ b/app/src/main/java/com/nextcloud/talk/utils/ConversationUtils.kt
@@ -8,12 +8,12 @@ package com.nextcloud.talk.utils
 
 import com.nextcloud.talk.models.domain.ConversationModel
 import com.nextcloud.talk.models.json.capabilities.SpreedCapability
+import com.nextcloud.talk.models.json.conversations.Conversation
 import com.nextcloud.talk.models.json.conversations.ConversationEnums
 import com.nextcloud.talk.models.json.participants.Participant
 
 object ConversationUtils {
     private val TAG = ConversationUtils::class.java.simpleName
-    private const val CLASSIFIED_ATTRIBUTE_BIT = 4
 
     fun isPublic(conversation: ConversationModel): Boolean =
         ConversationEnums.ConversationType.ROOM_PUBLIC_CALL == conversation.type
@@ -60,14 +60,25 @@ object ConversationUtils {
         currentConversation != null &&
             currentConversation.type == ConversationEnums.ConversationType.NOTE_TO_SELF
 
+    private fun ConversationModel?.hasAttribute(flag: Int): Boolean =
+        this?.attributes?.let { it and flag != 0 } ?: false
+
+    fun ConversationModel?.checkIfVoiceRoom(): Boolean = hasAttribute(ConversationEnums.ATTRIBUTE_IS_VOICE_ROOM)
+    fun ConversationModel?.isClassifiedAttribute(): Boolean = hasAttribute(ConversationEnums.ATTRIBUTE_IS_CLASSIFIED)
+    fun ConversationModel?.isChannelAttribute(): Boolean = hasAttribute(ConversationEnums.ATTRIBUTE_IS_CHANNEL)
+    fun ConversationModel?.isAnnouncementAttribute(): Boolean =
+        hasAttribute(ConversationEnums.ATTRIBUTE_IS_ANNOUNCEMENT)
+
+    fun isChannel(conversation: ConversationModel?, spreedCapabilities: SpreedCapability?): Boolean =
+        conversation.isChannelAttribute() &&
+            CapabilitiesUtil.hasSpreedFeatureCapability(spreedCapabilities, SpreedFeatures.ANNOUNCEMENT_PRESET)
+
     fun isClassified(conversation: ConversationModel, spreedCapabilities: SpreedCapability?): Boolean =
         CapabilitiesUtil.hasSpreedFeatureCapability(spreedCapabilities, SpreedFeatures.CLASSIFIED_CONVERSATIONS) &&
-            ((conversation.attributes ?: 0) and CLASSIFIED_ATTRIBUTE_BIT) != 0
+            conversation.isClassifiedAttribute()
 
-    fun isClassified(
-        conversation: com.nextcloud.talk.models.json.conversations.Conversation,
-        spreedCapabilities: SpreedCapability?
-    ): Boolean =
+    @Deprecated("Use isClassified(conversation: ConversationModel, spreedCapabilities: SpreedCapability?)")
+    fun isClassified(conversation: Conversation, spreedCapabilities: SpreedCapability?): Boolean =
         CapabilitiesUtil.hasSpreedFeatureCapability(spreedCapabilities, SpreedFeatures.CLASSIFIED_CONVERSATIONS) &&
-            ((conversation.attributes ?: 0) and CLASSIFIED_ATTRIBUTE_BIT) != 0
+            ((conversation.attributes ?: 0) and ConversationEnums.ATTRIBUTE_IS_CLASSIFIED) != 0
 }
diff --git a/app/src/main/java/com/nextcloud/talk/utils/ParticipantPermissions.kt b/app/src/main/java/com/nextcloud/talk/utils/ParticipantPermissions.kt
index 536d99281ed..33d7e83650f 100644
--- a/app/src/main/java/com/nextcloud/talk/utils/ParticipantPermissions.kt
+++ b/app/src/main/java/com/nextcloud/talk/utils/ParticipantPermissions.kt
@@ -93,5 +93,8 @@ class ParticipantPermissions(
         const val PUBLISH_SCREEN = 64
         const val CHAT = 128
         const val REACT = 256
+
+        const val DEFAULT_GROUP_PERMISSIONS =
+            JOIN_CALL or PUBLISH_AUDIO or PUBLISH_VIDEO or PUBLISH_SCREEN or CHAT or REACT
     }
 }
diff --git a/app/src/main/res/layout/fragment_message_input.xml b/app/src/main/res/layout/fragment_message_input.xml
index 63f3c12e18c..5b35ed0b757 100644
--- a/app/src/main/res/layout/fragment_message_input.xml
+++ b/app/src/main/res/layout/fragment_message_input.xml
@@ -71,6 +71,17 @@
                 android:animateLayoutChanges="true"
                 android:inputType="textLongMessage|textAutoComplete"
                 android:maxLength="1000" />
+
+            <com.google.android.material.textview.MaterialTextView
+                android:id="@+id/reactionOnlyAffordance"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:padding="@dimen/standard_margin"
+                android:gravity="center"
+                android:text="@string/nc_channel_only_moderators_can_post"
+                android:textColor="@color/medium_emphasis_text"
+                android:visibility="gone"
+                tools:visibility="visible" />
         </LinearLayout>
     </com.google.android.material.card.MaterialCardView>
 </LinearLayout>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 9d65e0423cb..dfe0b270e55 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -83,6 +83,12 @@ How to translate with transifex:
 
     <string name="nc_search">Search</string>
     <string name="nc_search_clear">Clear search</string>
+    <string name="nc_channel_only_moderators_can_post">Only moderators can post in this channel</string>
+    <string name="nc_channel">Channel</string>
+    <string name="nc_channel_description">Only moderators can post, everybody else can only react</string>
+    <string name="nc_announcement">Announcement</string>
+    <string name="nc_announcement_description">Conversation for admins to inform a fixed audience, which cannot be left.</string>
+    <string name="nc_admin_only">Admin only</string>
 
     <string name="nc_certificate_dialog_title">Check out the certificate</string>
     <string name="nc_certificate_dialog_text">Do you trust the until now unknown SSL certificate, issued by %1$s for %2$s, valid from %3$s to %4$s?</string>