diff --git a/src/Infrastructure/BotSharp.Core.Realtime/Services/RealtimeHub.cs b/src/Infrastructure/BotSharp.Core.Realtime/Services/RealtimeHub.cs
index b34f5fba..b0a088cc 100644
--- a/src/Infrastructure/BotSharp.Core.Realtime/Services/RealtimeHub.cs
+++ b/src/Infrastructure/BotSharp.Core.Realtime/Services/RealtimeHub.cs
@@ -1,3 +1,4 @@
+using BotSharp.Abstraction.Agents.Models;
 using BotSharp.Abstraction.Functions.Models;
 using BotSharp.Abstraction.Hooks;
 using BotSharp.Abstraction.Models;
@@ -10,7 +11,8 @@ namespace BotSharp.Core.Realtime.Services;
 public class RealtimeHub : IRealtimeHub
 {
     private readonly IServiceProvider _services;
-    private readonly ILogger _logger;
+    private readonly ILogger<RealtimeHub> _logger;
+    private readonly RealtimeModelSettings _settings;
 
     private RealtimeHubConnection _conn;
     public RealtimeHubConnection HubConn => _conn;
@@ -18,10 +20,14 @@ public class RealtimeHub : IRealtimeHub
     private IRealTimeCompletion _completer;
     public IRealTimeCompletion Completer => _completer;
 
-    public RealtimeHub(IServiceProvider services, ILogger<RealtimeHub> logger)
+    public RealtimeHub(
+        IServiceProvider services,
+        ILogger<RealtimeHub> logger,
+        RealtimeModelSettings settings)
     {
         _services = services;
         _logger = logger;
+        _settings = settings;
     }
 
     public async Task ConnectToModel(
@@ -43,10 +49,10 @@ public class RealtimeHub : IRealtimeHub
         routing.Context.SetDialogs(dialogs);
         routing.Context.SetMessageId(_conn.ConversationId, Guid.Empty.ToString());
 
-        var states = _services.GetRequiredService<IConversationStateService>();
-        var settings = _services.GetRequiredService<RealtimeModelSettings>();
+        var (provider, model) = GetLlmProviderModel(agent);
 
-        _completer = _services.GetServices<IRealTimeCompletion>().First(x => x.Provider == settings.Provider);
+        _completer = _services.GetServices<IRealTimeCompletion>().First(x => x.Provider == provider);
+        _completer.SetModelName(model);
         _completer.SetOptions(options);
 
         await _completer.Connect(
@@ -156,7 +162,7 @@ public class RealtimeHub : IRealtimeHub
             },
             onInterruptionDetected: async () =>
             {
-                if (settings.InterruptResponse)
+                if (_settings.InterruptResponse)
                 {
                     // Reset states
                     _conn.ResetResponseState();
@@ -179,4 +185,27 @@ public class RealtimeHub : IRealtimeHub
 
         return _conn;
     }
+
+    private (string, string) GetLlmProviderModel(Agent agent)
+    {
+        var provider = agent?.LlmConfig?.Realtime?.Provider;
+        var model = agent?.LlmConfig?.Realtime?.Model;
+
+        if (!string.IsNullOrEmpty(provider) && !string.IsNullOrEmpty(model))
+        {
+            return (provider, model);
+        }
+
+        provider = _settings.Provider;
+        model = _settings.Model;
+
+        if (!string.IsNullOrEmpty(provider) && !string.IsNullOrEmpty(model))
+        {
+            return (provider, model);
+        }
+
+        provider = "openai";
+        model = "gpt-realtime";
+        return (provider, model);
+    }
 }
diff --git a/src/Plugins/BotSharp.Plugin.GoogleAI/Providers/Realtime/RealTimeCompletionProvider.cs b/src/Plugins/BotSharp.Plugin.GoogleAI/Providers/Realtime/RealTimeCompletionProvider.cs
index 802088bd..1bc5d74d 100644
--- a/src/Plugins/BotSharp.Plugin.GoogleAI/Providers/Realtime/RealTimeCompletionProvider.cs
+++ b/src/Plugins/BotSharp.Plugin.GoogleAI/Providers/Realtime/RealTimeCompletionProvider.cs
@@ -18,11 +18,13 @@ public class GoogleRealTimeProvider : IRealTimeCompletion
     private string _model = GoogleAIModels.Gemini2FlashLive001;
 
     private readonly IServiceProvider _services;
-    private readonly ILogger _logger;
+    private readonly ILogger<GoogleRealTimeProvider> _logger;
+    private readonly GoogleAiSettings _settings;
+
     private List<string> renderedInstructions = [];
 
     private LlmRealtimeSession _session;
-    private readonly GoogleAiSettings _settings;
+    private RealtimeOptions? _realtimeOptions;
 
     private const string DEFAULT_MIME_TYPE = "audio/pcm;rate=16000";
     private readonly JsonSerializerOptions _jsonOptions = new()
@@ -50,12 +52,12 @@ public class GoogleRealTimeProvider : IRealTimeCompletion
 
     public GoogleRealTimeProvider(
         IServiceProvider services,
-        GoogleAiSettings settings,
-        ILogger<GoogleRealTimeProvider> logger)
+        ILogger<GoogleRealTimeProvider> logger,
+        GoogleAiSettings settings)
     {
-        _settings = settings;
         _services = services;
         _logger = logger;
+        _settings = settings;
     }
 
     public async Task Connect(
@@ -84,7 +86,7 @@ public class GoogleRealTimeProvider : IRealTimeCompletion
         var settingsService = _services.GetRequiredService<ILlmProviderService>();
         var realtimeModelSettings = _services.GetRequiredService<RealtimeModelSettings>();
 
-        _model = realtimeModelSettings.Model;
+        _model ??= realtimeModelSettings.Model;
         var modelSettings = settingsService.GetSetting(Provider, _model);
 
         Reset();
@@ -422,7 +424,7 @@ public class GoogleRealTimeProvider : IRealTimeCompletion
 
     public void SetOptions(RealtimeOptions? options)
     {
-
+        _realtimeOptions = options;
     }
 
     #region Private methods
diff --git a/src/Plugins/BotSharp.Plugin.OpenAI/Providers/Realtime/RealTimeCompletionProvider.cs b/src/Plugins/BotSharp.Plugin.OpenAI/Providers/Realtime/RealTimeCompletionProvider.cs
index e6b614e6..269cafa2 100644
--- a/src/Plugins/BotSharp.Plugin.OpenAI/Providers/Realtime/RealTimeCompletionProvider.cs
+++ b/src/Plugins/BotSharp.Plugin.OpenAI/Providers/Realtime/RealTimeCompletionProvider.cs
@@ -67,7 +67,7 @@ public class RealTimeCompletionProvider : IRealTimeCompletion
         var settingsService = _services.GetRequiredService<ILlmProviderService>();
         var realtimeSettings = _services.GetRequiredService<RealtimeModelSettings>();
 
-        _model = realtimeSettings.Model;
+        _model ??= realtimeSettings.Model;
         var settings = settingsService.GetSetting(Provider, _model);
 
         _session = new LlmRealtimeSession(_services, new ChatSessionOptions