diff --git a/src/Plugins/BotSharp.Plugin.Twilio/Controllers/TwilioVoiceController.cs b/src/Plugins/BotSharp.Plugin.Twilio/Controllers/TwilioVoiceController.cs
index d84ea5a1..d9ff3402 100644
--- a/src/Plugins/BotSharp.Plugin.Twilio/Controllers/TwilioVoiceController.cs
+++ b/src/Plugins/BotSharp.Plugin.Twilio/Controllers/TwilioVoiceController.cs
@@ -48,7 +48,7 @@ public class TwilioVoiceController : TwilioController
 
     [ValidateRequest]
     [HttpPost("twilio/voice/{conversationId}/receive/{seqNum}")]
-    public async Task<TwiMLResult> ReceiveCallerMessage([FromRoute] string conversationId, [FromRoute] int seqNum, [FromQuery] string states, [FromQuery] int attempts, VoiceRequest request)
+    public async Task<TwiMLResult> ReceiveCallerMessage([FromRoute] string conversationId, [FromRoute] int seqNum, [FromQuery] string states, VoiceRequest request, [FromQuery] int attempts = 1)
     {
         var twilio = _services.GetRequiredService<TwilioService>();
         var messageQueue = _services.GetRequiredService<TwilioMessageQueue>();
diff --git a/src/Plugins/BotSharp.Plugin.Twilio/Services/TwilioMessageQueueService.cs b/src/Plugins/BotSharp.Plugin.Twilio/Services/TwilioMessageQueueService.cs
index 7c5a8831..e3476ea2 100644
--- a/src/Plugins/BotSharp.Plugin.Twilio/Services/TwilioMessageQueueService.cs
+++ b/src/Plugins/BotSharp.Plugin.Twilio/Services/TwilioMessageQueueService.cs
@@ -120,6 +120,8 @@ namespace BotSharp.Plugin.Twilio.Services
                     break;
                 }
             }
+            // add frequency short words
+            hints.AddRange(["yes", "no", "correct", "right"]);
             reply.Hints = string.Join(", ", hints.Select(x => x.ToLower()).Distinct().Reverse());
             reply.Content = null;
             await sessionManager.SetAssistantReplyAsync(message.ConversationId, message.SeqNumber, reply);