diff -Naur modules/dialog-orig/dlg_handlers.c modules/dialog/dlg_handlers.c
--- modules/dialog-orig/dlg_handlers.c	2008-05-15 17:24:31.000000000 +0200
+++ modules/dialog/dlg_handlers.c	2008-06-09 17:15:48.000000000 +0200
@@ -62,6 +62,8 @@
 #include "dlg_cb.h"
 #include "dlg_handlers.h"
 #include "dlg_db_handler.h"
+#include "dlg_req_within.h"
+
 
 static str       rr_param;
 static int       dlg_flag;
@@ -654,6 +656,7 @@
 	int new_state;
 	int old_state;
 	int unref;
+	str extra_hdrs = {NULL,0};  
 
 	dlg = get_dlg_tl_payload(tl);
 
@@ -668,6 +671,13 @@
 		/* dialog timeout */
 		run_dlg_callbacks( DLGCB_EXPIRED, dlg, 0);
 
+		/*send_bye*/
+		if (send_bye(dlg,DLG_CALLER_LEG,&extra_hdrs))
+			LM_ERR("sending bye to caller failed\n");
+		
+		if (send_bye(dlg,DLG_CALLEE_LEG,&extra_hdrs))
+			LM_ERR("sending bye to callee failed\n");
+
 		/* delete the dialog from DB */
 		if (dlg_db_mode)
 			remove_dialog_from_db(dlg);
diff -Naur modules/dialog-orig/dlg_hash.c modules/dialog/dlg_hash.c
--- modules/dialog-orig/dlg_hash.c	2008-05-15 17:24:31.000000000 +0200
+++ modules/dialog/dlg_hash.c	2008-06-09 17:26:53.000000000 +0200
@@ -534,6 +534,7 @@
 			switch (dlg->state) {
 				case DLG_STATE_CONFIRMED_NA:
 				case DLG_STATE_CONFIRMED:
+				case DLG_STATE_DELETED:
 					dlg->flags |= DLG_FLAG_HASBYE;
 					dlg->state = DLG_STATE_DELETED;
 					*unref = 1;
diff -Naur modules/dialog-orig/dlg_req_within.c modules/dialog/dlg_req_within.c
--- modules/dialog-orig/dlg_req_within.c	2008-04-07 11:15:02.000000000 +0200
+++ modules/dialog/dlg_req_within.c	2008-06-09 17:29:32.000000000 +0200
@@ -45,7 +45,7 @@
 #define MAX_FWD_HDR_LEN    (sizeof(MAX_FWD_HDR) - 1)
 
 extern str dlg_extra_hdrs;
-
+extern stat_var *expired_dlgs;
 
 
 int free_tm_dlg(dlg_t *td)
@@ -155,13 +155,14 @@
 		remove_dlg_timer(&dlg->tl);
 
 		/* dialog terminated (BYE) */
-		run_dlg_callbacks( DLGCB_TERMINATED, dlg, ps->req);
+		run_dlg_callbacks( DLGCB_TERMINATED | DLGCB_EXPIRED, dlg, ps->req);
 
 		LM_DBG("first final reply\n");
 		/* derefering the dialog */
 		unref_dlg(dlg, unref+2);
 
 		if_update_stat( dlg_enable_stats, active_dlgs, -1);
+		if_update_stat( dlg_enable_stats, expired_dlgs, 1);
 	}
 
 	if(new_state == DLG_STATE_DELETED && old_state == DLG_STATE_DELETED ) {
@@ -215,7 +216,7 @@
  * 		DLG_CALLER_LEG (0): caller
  * 		DLG_CALLEE_LEG (1): callee
  */
-static inline int send_bye(struct dlg_cell * cell, int dir, str *extra_hdrs)
+inline int send_bye(struct dlg_cell * cell, int dir, str *extra_hdrs)
 {
 	/*verify direction*/
 	dlg_t* dialog_info;
diff -Naur modules/dialog-orig/dlg_req_within.h modules/dialog/dlg_req_within.h
--- modules/dialog-orig/dlg_req_within.h	2007-12-13 14:38:17.000000000 +0100
+++ modules/dialog/dlg_req_within.h	2008-06-09 17:29:03.000000000 +0200
@@ -44,5 +44,6 @@
 extern stat_var * active_dlgs;
 
 struct mi_root * mi_terminate_dlg(struct mi_root *cmd_tree, void *param );
+inline int send_bye(struct dlg_cell * cell, int dir, str *extra_hdrs);
 
 #endif