diff --git a/callagent/MGCPTransaction.st b/callagent/MGCPTransaction.st
index f38efba..517073d 100644
--- a/callagent/MGCPTransaction.st
+++ b/callagent/MGCPTransaction.st
@@ -156,10 +156,23 @@ MGCPTransactionBase subclass: MGCPTransaction [
         ^ self sendData
     ]
 
+    startSingleShot [
+        <category: 'network'>
+        state := self class stateStarted.
+        self started.
+
+        ^ self sendDataDirect
+    ]
+
     sendData [
         <category: 'private'>
-        | datagram |
         self startRetransmitTimer.
+        self sendDataDirect
+    ]
+
+    sendDataDirect [
+        <category: 'private'>
+        | datagram |
         datagram := Sockets.Datagram data: (command asDatagram)
                                      address: (Sockets.SocketAddress
                                                 byName: endpoint trunk destIp)