diff --git a/apps/dsm/DSM.cpp b/apps/dsm/DSM.cpp
index 81b828b1..9d9e5749 100644
--- a/apps/dsm/DSM.cpp
+++ b/apps/dsm/DSM.cpp
@@ -152,7 +152,10 @@ int DSMFactory::onLoad()
       }
       DSMModule* last_loaded = reader.mods.back();
       if (last_loaded) {
-	last_loaded->preload();
+ 	if (last_loaded->preload()) {
+ 	  DBG("Error while preloading '%s'\n", it->c_str());
+ 	  return -1;
+ 	}
       }
     }
   }
diff --git a/apps/dsm/DSM.h b/apps/dsm/DSM.h
index dfdad29c..9e2d7077 100644
--- a/apps/dsm/DSM.h
+++ b/apps/dsm/DSM.h
@@ -43,7 +43,7 @@ using std::string;
 #include <memory>
 
 class DSMDialog;
-
+class DSMModule;
 /** \brief Factory for announcement sessions */
 class DSMFactory
   : public AmSessionFactory
@@ -62,6 +62,7 @@ class DSMFactory
   map<string, AmPromptCollection*> prompt_sets; 
   void prepareSession(DSMDialog* s);
 
+  vector<DSMModule*> preloaded_mods;
 public:
   static DSMFactory* instance();
 
diff --git a/apps/dsm/DSMCoreModule.cpp b/apps/dsm/DSMCoreModule.cpp
index c6f54374..2da52f32 100644
--- a/apps/dsm/DSMCoreModule.cpp
+++ b/apps/dsm/DSMCoreModule.cpp
@@ -28,6 +28,7 @@
 #include "DSMCoreModule.h"
 #include "DSMSession.h"
 #include "AmSession.h"
+#include "AmSessionContainer.h"
 #include "AmUtils.h"
 
 DSMCoreModule::DSMCoreModule() {
@@ -78,6 +79,8 @@ DSMAction* DSMCoreModule::getAction(const string& from_str) {
   DEF_CMD("recordFile", SCRecordFileAction);
   DEF_CMD("stopRecord", SCStopRecordAction);
   DEF_CMD("closePlaylist", SCClosePlaylistAction);
+  DEF_CMD("addSeparator", SCAddSeparatorAction);
+
 
   DEF_CMD("set", SCSetAction);
   DEF_CMD("append", SCAppendAction);
@@ -87,6 +90,8 @@ DSMAction* DSMCoreModule::getAction(const string& from_str) {
 
   DEF_CMD("setPrompts", SCSetPromptsAction);
 
+  DEF_CMD("postEvent", SCPostEventAction);
+
   if (cmd == "DI") {
     SCDIAction * a = new SCDIAction(params, false);
     a->name = from_str;
@@ -128,9 +133,15 @@ DSMCondition* DSMCoreModule::getCondition(const string& from_str) {
   if (cmd == "noAudioTest") 
     return new TestDSMCondition(params, DSMCondition::NoAudio);
 
+  if (cmd == "separatorTest") 
+    return new TestDSMCondition(params, DSMCondition::PlaylistSeparator);
+
   if (cmd == "hangup") 
     return new TestDSMCondition(params, DSMCondition::Hangup);  
 
+  if (cmd == "eventTest") 
+    return new TestDSMCondition(params, DSMCondition::DSMEvent);  
+
   ERROR("could not find condition for '%s'\n", cmd.c_str());
   return NULL;
 }
@@ -196,6 +207,14 @@ bool SCSetPromptsAction::execute(AmSession* sess,
   return false;
 }
 
+bool SCAddSeparatorAction::execute(AmSession* sess, 
+				   DSMCondition::EventType event,
+				   map<string,string>* event_params) {
+  GET_SCSESSION();
+  sc_sess->addSeparator(resolveVars(arg, sess, sc_sess, event_params));
+  return false;
+}
+
 bool SCPlayPromptLoopedAction::execute(AmSession* sess, 
 				 DSMCondition::EventType event,
 				 map<string,string>* event_params) {
@@ -204,6 +223,32 @@ bool SCPlayPromptLoopedAction::execute(AmSession* sess,
   return false;
 }
 
+CONST_TwoParAction(SCPostEventAction, ",", true);
+
+bool SCPostEventAction::execute(AmSession* sess, 
+			       DSMCondition::EventType event,
+			       map<string,string>* event_params) {
+
+  GET_SCSESSION();
+  string sess_id = resolveVars(par1, sess, sc_sess, event_params);
+  string var = resolveVars(par2, sess, sc_sess, event_params);
+  DSMEvent* ev = new DSMEvent();
+  if (!var.empty()) {
+    if (var == "var")
+      ev->params = sc_sess->var;
+    else 
+      ev->params[var] = sc_sess->var[var];
+  }
+
+  DBG("posting event to session '%s'\n", sess_id.c_str());
+  if (!AmSessionContainer::instance()->postEvent(sess_id, ev))
+    sc_sess->SET_ERRNO(DSM_ERRNO_UNKNOWN_ARG);
+  else 
+    sc_sess->SET_ERRNO(DSM_ERRNO_OK);
+
+  return false;
+}
+
 bool SCPlayFileAction::execute(AmSession* sess, 
 			       DSMCondition::EventType event,
 			       map<string,string>* event_params) {
diff --git a/apps/dsm/DSMCoreModule.h b/apps/dsm/DSMCoreModule.h
index 23b626b7..0dfc4fca 100644
--- a/apps/dsm/DSMCoreModule.h
+++ b/apps/dsm/DSMCoreModule.h
@@ -56,6 +56,7 @@ DEF_SCStrArgAction(SCStopRecordAction);
 DEF_SCStrArgAction(SCClosePlaylistAction);
 DEF_SCStrArgAction(SCStopAction);
 DEF_SCStrArgAction(SCSetPromptsAction);
+DEF_SCStrArgAction(SCAddSeparatorAction);
 
 DEF_SCModSEStrArgAction(SCRepostAction);
 DEF_SCModSEStrArgAction(SCJumpFSMAction);
@@ -68,6 +69,7 @@ DEF_TwoParAction(SCAppendAction);
 DEF_TwoParAction(SCSetTimerAction);
 DEF_TwoParAction(SCLogAction);
 DEF_TwoParAction(SCPlayFileAction);
+DEF_TwoParAction(SCPostEventAction);
 
 class SCDIAction					
 : public DSMAction {
diff --git a/apps/dsm/DSMDialog.cpp b/apps/dsm/DSMDialog.cpp
index 672db329..b1e00685 100644
--- a/apps/dsm/DSMDialog.cpp
+++ b/apps/dsm/DSMDialog.cpp
@@ -41,9 +41,14 @@ DSMDialog::DSMDialog(AmPromptCollection& prompts,
 
 DSMDialog::~DSMDialog()
 {
-  for (vector<AmAudioFile*>::iterator it=
+  for (vector<AmAudio*>::iterator it=
 	 audiofiles.begin();it!=audiofiles.end();it++) 
     delete *it;
+
+  prompts.cleanup((long)this);
+  for (map<string, AmPromptCollection*>::iterator it=
+	 prompt_sets.begin(); it != prompt_sets.end(); it++)
+    it->second->cleanup((long)this);
 }
 
 void DSMDialog::onInvite(const AmSipRequest& req) {
@@ -93,13 +98,20 @@ void DSMDialog::onBye(const AmSipRequest& req)
 void DSMDialog::process(AmEvent* event)
 {
 
+  if (event->event_id == DSM_EVENT_ID) {
+    DSMEvent* dsm_event = dynamic_cast<DSMEvent*>(event);
+    if (dsm_event) {      
+      engine.runEvent(this, DSMCondition::DSMEvent, &dsm_event->params);
+      return;
+    }
+  
+  }
+
   AmAudioEvent* audio_event = dynamic_cast<AmAudioEvent*>(event);
   if(audio_event && 
      ((audio_event->event_id == AmAudioEvent::cleared) || 
       (audio_event->event_id == AmAudioEvent::noAudio))){
-    // todo: run event
     engine.runEvent(this, DSMCondition::NoAudio, NULL);
-
     return;
   }
 
@@ -111,6 +123,13 @@ void DSMDialog::process(AmEvent* event)
     engine.runEvent(this, DSMCondition::Timer, &params);
   }
 
+  AmPlaylistSeparatorEvent* sep_ev = dynamic_cast<AmPlaylistSeparatorEvent*>(event);
+  if (sep_ev) {
+    map<string, string> params;
+    params["id"] = int2str(sep_ev->event_id);
+    engine.runEvent(this, DSMCondition::PlaylistSeparator, &params);
+  }
+
   AmSession::process(event);
 }
 
@@ -120,7 +139,12 @@ inline UACAuthCred* DSMDialog::getCredentials() {
 
 void DSMDialog::playPrompt(const string& name, bool loop) {
   DBG("playing prompt '%s'\n", name.c_str());
-  prompts.addToPlaylist(name,  (long)this, playlist, /*front =*/ false, loop);  
+  if (prompts.addToPlaylist(name,  (long)this, playlist, 
+			    /*front =*/ false, loop)) 
+    SET_ERRNO(DSM_ERRNO_UNKNOWN_ARG);
+  else
+    SET_ERRNO(DSM_ERRNO_OK);
+
 }
 
 void DSMDialog::closePlaylist(bool notify) {
@@ -134,6 +158,7 @@ void DSMDialog::playFile(const string& name, bool loop) {
     ERROR("audio file '%s' could not be opened for reading.\n", 
 	  name.c_str());
     delete af;
+    SET_ERRNO(DSM_ERRNO_FILE);
     return;
   }
   if (loop) 
@@ -141,6 +166,7 @@ void DSMDialog::playFile(const string& name, bool loop) {
 
   playlist.addToPlaylist(new AmPlaylistItem(af, NULL));
   audiofiles.push_back(af);
+  SET_ERRNO(DSM_ERRNO_OK);
 }
 
 void DSMDialog::recordFile(const string& name) {
@@ -154,9 +180,11 @@ void DSMDialog::recordFile(const string& name) {
 	  name.c_str());
     delete rec_file;
     rec_file = NULL;
+    SET_ERRNO(DSM_ERRNO_FILE);
     return;
   }
   setInput(rec_file); 
+  SET_ERRNO(DSM_ERRNO_OK);
 }
 
 void DSMDialog::stopRecord() {
@@ -165,8 +193,10 @@ void DSMDialog::stopRecord() {
     rec_file->close();
     delete rec_file;
     rec_file = NULL;
+    SET_ERRNO(DSM_ERRNO_OK);
   } else {
     WARN("stopRecord: we are not recording\n");
+    SET_ERRNO(DSM_ERRNO_FILE);
     return;
   }
 }
@@ -192,10 +222,26 @@ void DSMDialog::setPromptSet(const string& name) {
 
   if (it == prompt_sets.end()) {
     ERROR("prompt set %s unknown\n", name.c_str());
+    SET_ERRNO(DSM_ERRNO_UNKNOWN_ARG);
     return;
   }
 
   DBG("setting prompt set '%s'\n", name.c_str());
   prompts = *it->second;
+  SET_ERRNO(DSM_ERRNO_OK);
 }
 
+
+void DSMDialog::addSeparator(const string& name) {
+  unsigned int id = 0;
+  if (str2i(name, id)) {
+    SET_ERRNO(DSM_ERRNO_UNKNOWN_ARG);
+    return;
+  }
+
+  AmPlaylistSeparator* sep = new AmPlaylistSeparator(this, id);
+  playlist.addToPlaylist(new AmPlaylistItem(sep, sep));
+  // for garbage collector
+  audiofiles.push_back(sep);
+  SET_ERRNO(DSM_ERRNO_OK);
+}
diff --git a/apps/dsm/DSMDialog.h b/apps/dsm/DSMDialog.h
index 670cdc9b..e6670453 100644
--- a/apps/dsm/DSMDialog.h
+++ b/apps/dsm/DSMDialog.h
@@ -47,7 +47,7 @@ class DSMDialog : public AmSession,
   string startDiagName;
   AmPlaylist playlist;
 
-  vector<AmAudioFile*> audiofiles;
+  vector<AmAudio*> audiofiles;
   AmAudioFile* rec_file;
   map<string, AmPromptCollection*> prompt_sets;
 
@@ -80,6 +80,7 @@ public:
   void stopRecord();
 
   void setPromptSet(const string& name);
+  void addSeparator(const string& name);
 };
 
 #endif
diff --git a/apps/dsm/DSMModule.h b/apps/dsm/DSMModule.h
index f6341873..e7ffc955 100644
--- a/apps/dsm/DSMModule.h
+++ b/apps/dsm/DSMModule.h
@@ -45,7 +45,7 @@ class DSMModule {
   virtual DSMAction* getAction(const string& from_str) = 0;
   virtual DSMCondition* getCondition(const string& from_str) = 0;
 
-  virtual void preload() { }
+  virtual int preload() { return 0; }
   virtual void onInvite(const AmSipRequest& req, DSMSession* sess) { }
 };
 
diff --git a/apps/dsm/DSMSession.h b/apps/dsm/DSMSession.h
index 408531fd..23698344 100644
--- a/apps/dsm/DSMSession.h
+++ b/apps/dsm/DSMSession.h
@@ -27,7 +27,8 @@
 #ifndef _DSM_SESSION_H
 #define _DSM_SESSION_H
 
-#include <AmArg.h>
+#include "AmArg.h"
+#include "AmEvent.h"
 
 #include <string>
 using std::string;
@@ -36,6 +37,14 @@ using std::vector;
 #include <map>
 using std::map;
 
+#define DSM_ERRNO_FILE        "1"
+#define DSM_ERRNO_UNKNOWN_ARG "2"
+#define DSM_ERRNO_GENERAL     "99"
+#define DSM_ERRNO_OK          ""
+
+#define SET_ERRNO(new_errno) \
+    var["errno"] = new_errno
+
 class DSMSession {
 
  public:
@@ -48,6 +57,7 @@ class DSMSession {
   virtual void stopRecord() = 0;
   virtual void closePlaylist(bool notify) = 0;
   virtual void setPromptSet(const string& name) = 0;
+  virtual void addSeparator(const string& name) = 0;
 
   /* holds variables which are accessed by $varname */
   map<string, string> var;
@@ -56,4 +66,14 @@ class DSMSession {
   AmArg di_res;
 };
 
+
+
+#define DSM_EVENT_ID -10
+/**  generic event for passing events between DSM sessions */
+struct DSMEvent : public AmEvent {
+ DSMEvent() : AmEvent(DSM_EVENT_ID) { }
+  ~DSMEvent() { }
+  map<string, string> params;
+};
+
 #endif
diff --git a/apps/dsm/DSMStateEngine.h b/apps/dsm/DSMStateEngine.h
index 8038a813..eb21b6fd 100644
--- a/apps/dsm/DSMStateEngine.h
+++ b/apps/dsm/DSMStateEngine.h
@@ -66,7 +66,9 @@ class DSMCondition
     Hold,
     UnHold,
 
-    XmlrpcResponse
+    XmlrpcResponse,
+    DSMEvent,
+    PlaylistSeparator
   };
 
   DSMCondition() { }