diff --git a/apps/announcement/Announcement.cpp b/apps/announcement/Announcement.cpp
index f42bd20c..10f44b53 100644
--- a/apps/announcement/Announcement.cpp
+++ b/apps/announcement/Announcement.cpp
@@ -104,6 +104,16 @@ AnnouncementDialog::~AnnouncementDialog()
 void AnnouncementDialog::onSessionStart(const AmSipRequest& req)
 {
     DBG("AnnouncementDialog::onSessionStart\n");
+    startSession();
+}
+
+void AnnouncementDialog::onSessionStart(const AmSipReply& rep)
+{
+    DBG("AnnouncementDialog::onSessionStart (SEMS originator mode)\n");
+    startSession();
+}
+
+void AnnouncementDialog::startSession(){
     if(wav_file.open(filename,AmAudioFile::Read))
 	throw string("AnnouncementDialog::onSessionStart: Cannot open file\n");
     
diff --git a/apps/announcement/Announcement.h b/apps/announcement/Announcement.h
index f5ac2c78..b5732ca7 100644
--- a/apps/announcement/Announcement.h
+++ b/apps/announcement/Announcement.h
@@ -56,6 +56,8 @@ class AnnouncementDialog : public AmSession
     ~AnnouncementDialog();
 
     void onSessionStart(const AmSipRequest& req);
+    void onSessionStart(const AmSipReply& rep);
+    void startSession();
     void onBye(const AmSipRequest& req);
     void onDtmf(int event, int duration_msec) {}