Index: firmware/App/Services/Messaging.c
===================================================================
diff -u -rf47296145b6a0adb78df0e325587629171909fd6 -rce66580e076bffa157868ff7e422556f78a95cac
--- firmware/App/Services/Messaging.c	(.../Messaging.c)	(revision f47296145b6a0adb78df0e325587629171909fd6)
+++ firmware/App/Services/Messaging.c	(.../Messaging.c)	(revision ce66580e076bffa157868ff7e422556f78a95cac)
@@ -325,7 +325,7 @@
         }
     }
     // ACK/NAK request
-    if ( message->hdr.msgID < MSG_ID_FIRST_DD_TESTER_MESSAGE )
+    if ( message->hdr.msgID < MSG_ID_FIRST_TD_TESTER_MESSAGE )
     {
         if ( respBuffer != COMM_BUFFER_NOT_USED )
         {
@@ -610,8 +610,6 @@
     {
         testerLoggedIn = FALSE;
     }
-    // respond to would be tester
-    sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, testerLoggedIn );
 
     return testerLoggedIn;
 }