diff --git a/DiscordChatExporter.Domain/Discord/Models/Message.cs b/DiscordChatExporter.Domain/Discord/Models/Message.cs
index 7a257e4..120bdf5 100644
--- a/DiscordChatExporter.Domain/Discord/Models/Message.cs
+++ b/DiscordChatExporter.Domain/Discord/Models/Message.cs
@@ -32,10 +32,12 @@ namespace DiscordChatExporter.Domain.Discord.Models
         public DateTimeOffset Timestamp { get; }
 
         public DateTimeOffset? EditedTimestamp { get; }
+        public DateTimeOffset? CallEndedTimestamp { get; }
 
         public bool IsPinned { get; }
 
         public string Content { get; }
+        
 
         public IReadOnlyList<Attachment> Attachments { get; }
 
@@ -51,6 +53,7 @@ namespace DiscordChatExporter.Domain.Discord.Models
             User author,
             DateTimeOffset timestamp,
             DateTimeOffset? editedTimestamp,
+            DateTimeOffset? callEndedTimestamp,
             bool isPinned,
             string content,
             IReadOnlyList<Attachment> attachments,
@@ -63,6 +66,7 @@ namespace DiscordChatExporter.Domain.Discord.Models
             Author = author;
             Timestamp = timestamp;
             EditedTimestamp = editedTimestamp;
+            CallEndedTimestamp = callEndedTimestamp;
             IsPinned = isPinned;
             Content = content;
             Attachments = attachments;
@@ -82,14 +86,16 @@ namespace DiscordChatExporter.Domain.Discord.Models
             var author = json.GetProperty("author").Pipe(User.Parse);
             var timestamp = json.GetProperty("timestamp").GetDateTimeOffset();
             var editedTimestamp = json.GetPropertyOrNull("edited_timestamp")?.GetDateTimeOffset();
+            var callEndedTimestamp = json.GetPropertyOrNull("call")?.GetPropertyOrNull("ended_timestamp")?.GetDateTimeOffset();
             var type = (MessageType) json.GetProperty("type").GetInt32();
             var isPinned = json.GetPropertyOrNull("pinned")?.GetBoolean() ?? false;
 
+            
             var content = type switch
             {
                 MessageType.RecipientAdd => "Added a recipient.",
                 MessageType.RecipientRemove => "Removed a recipient.",
-                MessageType.Call => "Started a call.",
+                MessageType.Call => $"Started a call that lasted {callEndedTimestamp?.Pipe(t => t - timestamp).Pipe(t => (int) t.TotalMinutes) ?? 0} minutes.",
                 MessageType.ChannelNameChange => "Changed the channel name.",
                 MessageType.ChannelIconChange => "Changed the channel icon.",
                 MessageType.ChannelPinnedMessage => "Pinned a message.",
@@ -119,13 +125,15 @@ namespace DiscordChatExporter.Domain.Discord.Models
                 author,
                 timestamp,
                 editedTimestamp,
+                callEndedTimestamp,
                 isPinned,
                 content,
                 attachments,
                 embeds,
                 reactions,
                 mentionedUsers
+                
             );
         }
     }
-}
\ No newline at end of file
+}
diff --git a/DiscordChatExporter.Domain/Exporting/Writers/CsvMessageWriter.cs b/DiscordChatExporter.Domain/Exporting/Writers/CsvMessageWriter.cs
index c4f33fc..3d4c56b 100644
--- a/DiscordChatExporter.Domain/Exporting/Writers/CsvMessageWriter.cs
+++ b/DiscordChatExporter.Domain/Exporting/Writers/CsvMessageWriter.cs
@@ -55,7 +55,6 @@ namespace DiscordChatExporter.Domain.Exporting.Writers
 
             await _writer.WriteAsync(CsvEncode(buffer.ToString()));
         }
-
         public override async ValueTask WriteMessageAsync(Message message)
         {
             // Author ID
diff --git a/DiscordChatExporter.Domain/Exporting/Writers/JsonMessageWriter.cs b/DiscordChatExporter.Domain/Exporting/Writers/JsonMessageWriter.cs
index 8fc6928..c3b1570 100644
--- a/DiscordChatExporter.Domain/Exporting/Writers/JsonMessageWriter.cs
+++ b/DiscordChatExporter.Domain/Exporting/Writers/JsonMessageWriter.cs
@@ -197,6 +197,7 @@ namespace DiscordChatExporter.Domain.Exporting.Writers
             _writer.WriteString("type", message.Type.ToString());
             _writer.WriteString("timestamp", message.Timestamp);
             _writer.WriteString("timestampEdited", message.EditedTimestamp);
+            _writer.WriteString("callEndedTimestamp", message.CallEndedTimestamp);
             _writer.WriteBoolean("isPinned", message.IsPinned);
 
             // Content