diff --git a/src/Plugins/BotSharp.Plugin.Twilio/Controllers/TwilioVoiceController.cs b/src/Plugins/BotSharp.Plugin.Twilio/Controllers/TwilioVoiceController.cs
index 75dce61e..d84ea5a1 100644
--- a/src/Plugins/BotSharp.Plugin.Twilio/Controllers/TwilioVoiceController.cs
+++ b/src/Plugins/BotSharp.Plugin.Twilio/Controllers/TwilioVoiceController.cs
@@ -213,7 +213,7 @@ public class TwilioVoiceController : TwilioController
                 response = twilio.ReturnInstructions(new List<string>
                 {
                     $"twilio/voice/speeches/{conversationId}/{reply.SpeechFileName}"
-                }, $"twilio/voice/{conversationId}/receive/{nextSeqNum}?states={states}", true);
+                }, $"twilio/voice/{conversationId}/receive/{nextSeqNum}?states={states}", true, hints:reply.Hints);
             }
         }
 
diff --git a/src/Plugins/BotSharp.Plugin.Twilio/Models/AssistantMessage.cs b/src/Plugins/BotSharp.Plugin.Twilio/Models/AssistantMessage.cs
index 521dba43..2587fed9 100644
--- a/src/Plugins/BotSharp.Plugin.Twilio/Models/AssistantMessage.cs
+++ b/src/Plugins/BotSharp.Plugin.Twilio/Models/AssistantMessage.cs
@@ -7,5 +7,6 @@ namespace BotSharp.Plugin.Twilio.Models
         public string Content { get; set; }
         public string MessageId { get; set; }
         public string SpeechFileName { get; set; }
+        public string Hints { get; set; }
     }
 }
diff --git a/src/Plugins/BotSharp.Plugin.Twilio/Services/TwilioMessageQueueService.cs b/src/Plugins/BotSharp.Plugin.Twilio/Services/TwilioMessageQueueService.cs
index 4679c653..cd5643f1 100644
--- a/src/Plugins/BotSharp.Plugin.Twilio/Services/TwilioMessageQueueService.cs
+++ b/src/Plugins/BotSharp.Plugin.Twilio/Services/TwilioMessageQueueService.cs
@@ -106,8 +106,27 @@ namespace BotSharp.Plugin.Twilio.Services
             var data = await completion.GenerateAudioFromTextAsync(reply.Content);
             var fileName = $"reply_{reply.MessageId}.mp3";
             fileStorage.SaveSpeechFile(message.ConversationId, fileName, data);
-
             reply.SpeechFileName = fileName;
+            var phrases = reply.Content.Split(',', StringSplitOptions.RemoveEmptyEntries);
+            int capcity = 100;
+            var hints = new List<string>(capcity);
+            for (int i = phrases.Length - 1; i >= 0; i--)
+            {
+                var words = phrases[i].Split(' ', StringSplitOptions.RemoveEmptyEntries);
+                for (int j = words.Length - 1; j >= 0; j--)
+                {
+                    hints.Add(words[j]);
+                    if (hints.Count >= capcity)
+                    {
+                        break;
+                    }
+                }
+                if (hints.Count >= capcity)
+                {
+                    break;
+                }
+            }
+            reply.Hints = string.Join(',', hints);
             reply.Content = null;
             await sessionManager.SetAssistantReplyAsync(message.ConversationId, message.SeqNumber, reply);
         }
diff --git a/src/Plugins/BotSharp.Plugin.Twilio/Services/TwilioService.cs b/src/Plugins/BotSharp.Plugin.Twilio/Services/TwilioService.cs
index fa164d99..0955e65d 100644
--- a/src/Plugins/BotSharp.Plugin.Twilio/Services/TwilioService.cs
+++ b/src/Plugins/BotSharp.Plugin.Twilio/Services/TwilioService.cs
@@ -66,7 +66,7 @@ public class TwilioService
         return response;
     }
 
-    public VoiceResponse ReturnInstructions(List<string> speechPaths, string callbackPath, bool actionOnEmptyResult, int timeout = 5)
+    public VoiceResponse ReturnInstructions(List<string> speechPaths, string callbackPath, bool actionOnEmptyResult, int timeout = 3, string hints = null)
     {
         var response = new VoiceResponse();
         var gather = new Gather()
@@ -78,10 +78,10 @@ public class TwilioService
             },
             Action = new Uri($"{_settings.CallbackHost}/{callbackPath}"),
             SpeechModel = Gather.SpeechModelEnum.PhoneCall,
-            SpeechTimeout = "auto", // timeout > 0 ? timeout.ToString() : "5",
-            Timeout = timeout > 0 ? timeout : 5,
+            SpeechTimeout = "auto", // timeout > 0 ? timeout.ToString() : "3",
+            Timeout = timeout > 0 ? timeout : 3,
             ActionOnEmptyResult = actionOnEmptyResult,
-            Hints = "Yes, No, Correct"
+            Hints = hints
         };
 
         if (!speechPaths.IsNullOrEmpty())