fixed that error message

git-svn-id: http://svn.berlios.de/svnroot/repos/sems/trunk@663 8eb893ce-cfd4-0310-b710-fb5ebe64c474

core/sems.cpp

@@ -387,9 +387,8 @@ int main(int argc, char* argv[])
   if (AmServer::instance()->hasIface()) {
     AmServer::instance()->run();
   } else {
-    ERROR("Sems cannot start without a control interface plug-in.\n"
-	  "Following plug-ins can be used: unixsockctrl, binrpcctrl and sipctrl\n"
-	  "If SEMS should use its own SIP stack instead of SER's, please load the sipctrl plug.in\n");
+    ERROR("SEMS cannot start without a working link to a SIP stack, e.g. to SER.\n"
+	  "Please load a SIP stack control plugin.\n");
     return -1;
   }