diff --git a/DysonNetwork.Sphere/Chat/ChatController.cs b/DysonNetwork.Sphere/Chat/ChatController.cs
index c5bd144..2a16591 100644
--- a/DysonNetwork.Sphere/Chat/ChatController.cs
+++ b/DysonNetwork.Sphere/Chat/ChatController.cs
@@ -12,6 +12,7 @@ using Grpc.Core;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
+using NodaTime;
 
 namespace DysonNetwork.Sphere.Chat;
 
@@ -246,6 +247,7 @@ public partial class ChatController(
     public async Task<ActionResult> SendMessage([FromBody] SendMessageRequest request, Guid roomId)
     {
         if (HttpContext.Items["CurrentUser"] is not Account currentUser) return Unauthorized();
+        var accountId = Guid.Parse(currentUser.Id);
 
         request.Content = TextSanitizer.Sanitize(request.Content);
         if (string.IsNullOrWhiteSpace(request.Content) &&
@@ -254,9 +256,12 @@ public partial class ChatController(
             !request.PollId.HasValue)
             return BadRequest("You cannot send an empty message.");
 
-        var member = await crs.GetRoomMember(Guid.Parse(currentUser.Id), roomId);
+        var now = SystemClock.Instance.GetCurrentInstant();
+        var member = await crs.GetRoomMember(accountId, roomId);
         if (member == null)
             return StatusCode(403, "You need to be a member to send messages here.");
+        if (member.TimeoutUntil.HasValue && member.TimeoutUntil.Value > now)
+            return StatusCode(403, "You has been timed out in this chat.");
 
         // Validate fund if provided
         if (request.FundId.HasValue)
@@ -382,6 +387,7 @@ public partial class ChatController(
     public async Task<ActionResult> UpdateMessage([FromBody] SendMessageRequest request, Guid roomId, Guid messageId)
     {
         if (HttpContext.Items["CurrentUser"] is not Account currentUser) return Unauthorized();
+        var accountId = Guid.Parse(currentUser.Id);
 
         request.Content = TextSanitizer.Sanitize(request.Content);
 
@@ -392,9 +398,11 @@ public partial class ChatController(
 
         if (message == null) return NotFound();
 
-        var accountId = Guid.Parse(currentUser.Id);
+        var now = SystemClock.Instance.GetCurrentInstant();
         if (message.Sender.AccountId != accountId)
             return StatusCode(403, "You can only edit your own messages.");
+        if (message.Sender.TimeoutUntil.HasValue && message.Sender.TimeoutUntil.Value > now)
+            return StatusCode(403, "You has been timed out in this chat.");
 
         if (string.IsNullOrWhiteSpace(request.Content) &&
             (request.AttachmentsId == null || request.AttachmentsId.Count == 0) &&
@@ -402,23 +410,6 @@ public partial class ChatController(
             !request.PollId.HasValue)
             return BadRequest("You cannot send an empty message.");
 
-        // Validate reply and forward message IDs exist
-        if (request.RepliedMessageId.HasValue)
-        {
-            var repliedMessage = await db.ChatMessages
-                .FirstOrDefaultAsync(m => m.Id == request.RepliedMessageId.Value && m.ChatRoomId == roomId);
-            if (repliedMessage == null)
-                return BadRequest("The message you're replying to does not exist.");
-        }
-
-        if (request.ForwardedMessageId.HasValue)
-        {
-            var forwardedMessage = await db.ChatMessages
-                .FirstOrDefaultAsync(m => m.Id == request.ForwardedMessageId.Value);
-            if (forwardedMessage == null)
-                return BadRequest("The message you're forwarding does not exist.");
-        }
-
         // Update mentions based on new content and references
         var updatedMentions = await ExtractMentionedUsersAsync(request.Content, request.RepliedMessageId,
             request.ForwardedMessageId, roomId, accountId);
diff --git a/DysonNetwork.Sphere/Chat/ChatService.cs b/DysonNetwork.Sphere/Chat/ChatService.cs
index 97d66c6..27c4afc 100644
--- a/DysonNetwork.Sphere/Chat/ChatService.cs
+++ b/DysonNetwork.Sphere/Chat/ChatService.cs
@@ -707,14 +707,7 @@ public partial class ChatService(
         if (content is not null)
             message.Content = content;
 
-        if (meta is not null)
-            message.Meta = meta;
-
-        if (repliedMessageId.HasValue)
-            message.RepliedMessageId = repliedMessageId;
-
-        if (forwardedMessageId.HasValue)
-            message.ForwardedMessageId = forwardedMessageId;
+        // Update do not override meta, replies to and forwarded to
 
         if (attachmentsId is not null)
             await UpdateFileReferencesForMessageAsync(message, attachmentsId);
diff --git a/DysonNetwork.Sphere/Chat/RealtimeCallController.cs b/DysonNetwork.Sphere/Chat/RealtimeCallController.cs
index c3abbd3..954a77c 100644
--- a/DysonNetwork.Sphere/Chat/RealtimeCallController.cs
+++ b/DysonNetwork.Sphere/Chat/RealtimeCallController.cs
@@ -4,6 +4,7 @@ using DysonNetwork.Sphere.Chat.Realtime;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
+using NodaTime;
 using Swashbuckle.AspNetCore.Annotations;
 
 namespace DysonNetwork.Sphere.Chat;
@@ -81,8 +82,11 @@ public class RealtimeCallController(
             .Where(m => m.AccountId == accountId && m.ChatRoomId == roomId && m.JoinedAt != null && m.LeaveAt == null)
             .FirstOrDefaultAsync();
 
+        var now = SystemClock.Instance.GetCurrentInstant();
         if (member == null)
             return StatusCode(403, "You need to be a member to join a call.");
+        if (member.TimeoutUntil.HasValue && member.TimeoutUntil.Value > now)
+            return StatusCode(403, "You has been timed out in this chat.");
 
         // Get ongoing call
         var ongoingCall = await cs.GetCallOngoingAsync(roomId);
@@ -150,12 +154,16 @@ public class RealtimeCallController(
         if (HttpContext.Items["CurrentUser"] is not Account currentUser) return Unauthorized();
 
         var accountId = Guid.Parse(currentUser.Id);
+        var now = SystemClock.Instance.GetCurrentInstant();
+        
         var member = await db.ChatMembers
             .Where(m => m.AccountId == accountId && m.ChatRoomId == roomId && m.JoinedAt != null && m.LeaveAt == null)
             .Include(m => m.ChatRoom)
             .FirstOrDefaultAsync();
         if (member == null)
             return StatusCode(403, "You need to be a member to start a call.");
+        if (member.TimeoutUntil.HasValue && member.TimeoutUntil.Value > now)
+            return StatusCode(403, "You has been timed out in this chat.");
 
         var ongoingCall = await cs.GetCallOngoingAsync(roomId);
         if (ongoingCall is not null) return StatusCode(423, "There is already an ongoing call inside the chatroom.");