diff --git a/dotnet/IEC61850forCSharp/IEC61850ClientAPI.cs b/dotnet/IEC61850forCSharp/IEC61850ClientAPI.cs
index b283db4c..34cab5ec 100644
--- a/dotnet/IEC61850forCSharp/IEC61850ClientAPI.cs
+++ b/dotnet/IEC61850forCSharp/IEC61850ClientAPI.cs
@@ -70,7 +70,10 @@ namespace IEC61850
 			private static extern void MmsConnection_setLocalDetail (IntPtr self, Int32 localDetail);
 
 			[DllImport ("iec61850", CallingConvention=CallingConvention.Cdecl)]
-			private static extern Int32 MmsConnection_getLocalDetail (IntPtr self);
+			private static extern Int32 MmsConnection_getLocalDetail (IntPtr self);
+
+            [DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
+            private static extern Int32 MmsConnection_setRequestTimeout(IntPtr self, UInt32 timeoutInMs);
 
             [DllImport ("iec61850", CallingConvention=CallingConvention.Cdecl)]
             private static extern IntPtr MmsConnection_readMultipleVariables(IntPtr self, out int mmsError,
@@ -159,7 +162,12 @@ namespace IEC61850
             /// <returns>maximum accepted MMS PDU size in bytes</returns>
 			public int GetLocalDetail() {
 				return MmsConnection_getLocalDetail (self);
-			}
+			}
+
+            public void SetRequestTimeout(uint timeoutMs)
+            {
+                MmsConnection_setRequestTimeout(self, timeoutMs);
+            }
 
             /// <summary>
             /// Reads multipe MMS variables from the same domain