diff --git a/Eqn.Sender/Controllers/fbmsController.cs b/Eqn.Sender/Controllers/fbmsController.cs
index 0be3218..420ab1c 100644
--- a/Eqn.Sender/Controllers/fbmsController.cs
+++ b/Eqn.Sender/Controllers/fbmsController.cs
@@ -240,7 +240,7 @@ namespace Eqn.Sender.Controllers
                 messageList.Add(newMessage);
             }
             int iter = 0;
-            int bDelay = 40;
+            int bDelay = 30;
             List<BatchResponse> listBResp = new List<BatchResponse>();
             if (numParall > 1)
             {
@@ -250,8 +250,9 @@ namespace Eqn.Sender.Controllers
                     // eventuale delay se richiesto
                     if (doDelay)
                     {
-                        await Task.Delay(bDelay * iter + rnd.Next(5, 15));
+                        await Task.Delay(bDelay * iter + rnd.Next(10, 30));
                     }
+                    iter++;
                     Stopwatch lsw = new Stopwatch();
                     var currData = new BStatData();
                     lsw.Start();
@@ -264,9 +265,8 @@ namespace Eqn.Sender.Controllers
                     // eventuale delay se richiesto
                     if (doDelay)
                     {
-                        await Task.Delay(bDelay * iter + rnd.Next(5, 15));
+                        await Task.Delay(bDelay * iter + rnd.Next(10, 30));
                     }
-                    iter++;
                 });
             }
             else
@@ -276,8 +276,9 @@ namespace Eqn.Sender.Controllers
                     // eventuale delay se richiesto
                     if (doDelay)
                     {
-                        await Task.Delay(bDelay * iter + rnd.Next(5, 15));
+                        await Task.Delay(bDelay * iter + rnd.Next(10, 30));
                     }
+                    iter++;
                     Stopwatch lsw = new Stopwatch();
                     var currData = new BStatData();
                     lsw.Start();
@@ -290,9 +291,8 @@ namespace Eqn.Sender.Controllers
                     // eventuale delay se richiesto
                     if (doDelay)
                     {
-                        await Task.Delay(bDelay * iter + rnd.Next(5, 15));
+                        await Task.Delay(bDelay * iter + rnd.Next(10, 30));
                     }
-                    iter++;
                 }
             }
             sw.Stop();