diff --git a/apps/dsm/DSMCoreModule.cpp b/apps/dsm/DSMCoreModule.cpp
index 7d88f3e3..60cc39fd 100644
--- a/apps/dsm/DSMCoreModule.cpp
+++ b/apps/dsm/DSMCoreModule.cpp
@@ -74,6 +74,8 @@ DSMAction* DSMCoreModule::getAction(const string& from_str) {
   DEF_CMD("logVars", SCLogVarsAction);
 
   DEF_CMD("setTimer", SCSetTimerAction);
+  DEF_CMD("removeTimer", SCRemoveTimerAction);
+  DEF_CMD("removeTimers", SCRemoveTimersAction);
 
   DEF_CMD("setPrompts", SCSetPromptsAction);
 
@@ -447,6 +449,61 @@ EXEC_ACTION_START(SCSetTimerAction) {
 } EXEC_ACTION_END;
 
 
+EXEC_ACTION_START(SCRemoveTimerAction) {
+
+  unsigned int timerid;
+  if (str2i(resolveVars(arg, sess, sc_sess, event_params), timerid)) {
+    ERROR("timer id '%s' not decipherable\n", 
+	  resolveVars(arg, sess, sc_sess, event_params).c_str());
+    return false;
+  }
+
+  DBG("removing timer %u\n", timerid);
+  AmDynInvokeFactory* user_timer_fact = 
+    AmPlugIn::instance()->getFactory4Di("user_timer");
+
+  if(!user_timer_fact) {
+    ERROR("load sess_timer module for timers.\n");
+    return false;
+  }
+  AmDynInvoke* user_timer = user_timer_fact->getInstance();
+  if(!user_timer) {
+    ERROR("load sess_timer module for timers.\n");
+    return false;
+  }
+
+  AmArg di_args,ret;
+  di_args.push((int)timerid);
+  di_args.push(sess->getLocalTag().c_str());
+  user_timer->invoke("removeTimer", di_args, ret);
+
+} EXEC_ACTION_END;
+
+EXEC_ACTION_START(SCRemoveTimersAction) {
+
+
+  DBG("removing timers for session %s\n", sess->getLocalTag().c_str());
+  AmDynInvokeFactory* user_timer_fact = 
+    AmPlugIn::instance()->getFactory4Di("user_timer");
+
+  if(!user_timer_fact) {
+    ERROR("load sess_timer module for timers.\n");
+    return false;
+  }
+  AmDynInvoke* user_timer = user_timer_fact->getInstance();
+  if(!user_timer) {
+    ERROR("load sess_timer module for timers.\n");
+    return false;
+  }
+
+  AmArg di_args,ret;
+  di_args.push(sess->getLocalTag().c_str());
+  user_timer->invoke("removeUserTimers", di_args, ret);
+
+} EXEC_ACTION_END;
+
+
+
 // TODO: replace with real expression matching 
 TestDSMCondition::TestDSMCondition(const string& expr, DSMCondition::EventType evt) {
 
diff --git a/apps/dsm/DSMCoreModule.h b/apps/dsm/DSMCoreModule.h
index 43ffdd3e..63b1984e 100644
--- a/apps/dsm/DSMCoreModule.h
+++ b/apps/dsm/DSMCoreModule.h
@@ -77,6 +77,8 @@ DEF_ACTION_2P(SCSubStrAction);
 DEF_ACTION_1P(SCIncAction);
 DEF_ACTION_1P(SCClearAction);
 DEF_ACTION_2P(SCSetTimerAction);
+DEF_ACTION_1P(SCRemoveTimerAction);
+DEF_ACTION_1P(SCRemoveTimersAction);
 DEF_ACTION_2P(SCLogAction);
 DEF_ACTION_1P(SCLogVarsAction);
 DEF_ACTION_2P(SCGetVarAction);
diff --git a/apps/dsm/doc/dsm_syntax.txt b/apps/dsm/doc/dsm_syntax.txt
index 3a1f6052..e4a9bf5c 100644
--- a/apps/dsm/doc/dsm_syntax.txt
+++ b/apps/dsm/doc/dsm_syntax.txt
@@ -95,6 +95,8 @@ actions:
 
  setTimer(timer_id, timeout)
    e.g. setTimer(1, $timeout)
+ removeTimer(timer_id)
+ removeTimers()
 
   DI(factory, function [, params...])
   e.g. DI(factory, function, $var_param, (int)int_param, "$str param", @select_par, ...)