diff --git a/configure b/configure
index 459f6eac7143597779b75e71834b0f9f41e2f5af..9a468950dce6ec6fc3de1920c77a8043f5dc0ce7 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.ac Revision: 360490 .
+# From configure.ac Revision: 361968 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.68 for asterisk trunk.
 #
@@ -1005,6 +1005,10 @@ PBX_CURSES
 CURSES_DIR
 CURSES_INCLUDE
 CURSES_LIB
+PBX_COROSYNC_CFG_STATE_TRACK
+COROSYNC_CFG_STATE_TRACK_DIR
+COROSYNC_CFG_STATE_TRACK_INCLUDE
+COROSYNC_CFG_STATE_TRACK_LIB
 PBX_COROSYNC
 COROSYNC_DIR
 COROSYNC_INCLUDE
@@ -8101,6 +8105,18 @@ fi
 
 
 
+COROSYNC_CFG_STATE_TRACK_DESCRIP="A callback only in corosync 1.x"
+COROSYNC_CFG_STATE_TRACK_OPTION=cfg
+COROSYNC_CFG_STATE_TRACK_DIR=${COROSYNC_DIR}
+
+PBX_COROSYNC_CFG_STATE_TRACK=0
+
+
+
+
+
+
+
     CURSES_DESCRIP="curses"
     CURSES_OPTION="curses"
     PBX_CURSES=0
@@ -26002,6 +26018,110 @@ fi
 
 
 
+if test "x${PBX_COROSYNC_CFG_STATE_TRACK}" != "x1" -a "${USE_COROSYNC_CFG_STATE_TRACK}" != "no"; then
+   pbxlibdir=""
+   # if --with-COROSYNC_CFG_STATE_TRACK=DIR has been specified, use it.
+   if test "x${COROSYNC_CFG_STATE_TRACK_DIR}" != "x"; then
+      if test -d ${COROSYNC_CFG_STATE_TRACK_DIR}/lib; then
+      	 pbxlibdir="-L${COROSYNC_CFG_STATE_TRACK_DIR}/lib"
+      else
+      	 pbxlibdir="-L${COROSYNC_CFG_STATE_TRACK_DIR}"
+      fi
+   fi
+   pbxfuncname="corosync_cfg_state_track"
+   if test "x${pbxfuncname}" = "x" ; then   # empty lib, assume only headers
+      AST_COROSYNC_CFG_STATE_TRACK_FOUND=yes
+   else
+      ast_ext_lib_check_save_CFLAGS="${CFLAGS}"
+      CFLAGS="${CFLAGS} "
+      as_ac_Lib=`$as_echo "ac_cv_lib_cfg_${pbxfuncname}" | $as_tr_sh`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${pbxfuncname} in -lcfg" >&5
+$as_echo_n "checking for ${pbxfuncname} in -lcfg... " >&6; }
+if eval \${$as_ac_Lib+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lcfg ${pbxlibdir} -lcfg $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char ${pbxfuncname} ();
+int
+main ()
+{
+return ${pbxfuncname} ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  eval "$as_ac_Lib=yes"
+else
+  eval "$as_ac_Lib=no"
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+eval ac_res=\$$as_ac_Lib
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
+  AST_COROSYNC_CFG_STATE_TRACK_FOUND=yes
+else
+  AST_COROSYNC_CFG_STATE_TRACK_FOUND=no
+fi
+
+      CFLAGS="${ast_ext_lib_check_save_CFLAGS}"
+   fi
+
+   # now check for the header.
+   if test "${AST_COROSYNC_CFG_STATE_TRACK_FOUND}" = "yes"; then
+      COROSYNC_CFG_STATE_TRACK_LIB="${pbxlibdir} -lcfg -lcfg"
+      # if --with-COROSYNC_CFG_STATE_TRACK=DIR has been specified, use it.
+      if test "x${COROSYNC_CFG_STATE_TRACK_DIR}" != "x"; then
+         COROSYNC_CFG_STATE_TRACK_INCLUDE="-I${COROSYNC_CFG_STATE_TRACK_DIR}/include"
+      fi
+      COROSYNC_CFG_STATE_TRACK_INCLUDE="${COROSYNC_CFG_STATE_TRACK_INCLUDE} "
+      if test "xcorosync/cfg.h" = "x" ; then	# no header, assume found
+         COROSYNC_CFG_STATE_TRACK_HEADER_FOUND="1"
+      else				# check for the header
+         ast_ext_lib_check_saved_CPPFLAGS="${CPPFLAGS}"
+         CPPFLAGS="${CPPFLAGS} ${COROSYNC_CFG_STATE_TRACK_INCLUDE}"
+         ac_fn_c_check_header_mongrel "$LINENO" "corosync/cfg.h" "ac_cv_header_corosync_cfg_h" "$ac_includes_default"
+if test "x$ac_cv_header_corosync_cfg_h" = xyes; then :
+  COROSYNC_CFG_STATE_TRACK_HEADER_FOUND=1
+else
+  COROSYNC_CFG_STATE_TRACK_HEADER_FOUND=0
+fi
+
+
+         CPPFLAGS="${ast_ext_lib_check_saved_CPPFLAGS}"
+      fi
+      if test "x${COROSYNC_CFG_STATE_TRACK_HEADER_FOUND}" = "x0" ; then
+         COROSYNC_CFG_STATE_TRACK_LIB=""
+         COROSYNC_CFG_STATE_TRACK_INCLUDE=""
+      else
+         if test "x${pbxfuncname}" = "x" ; then		# only checking headers -> no library
+            COROSYNC_CFG_STATE_TRACK_LIB=""
+         fi
+         PBX_COROSYNC_CFG_STATE_TRACK=1
+         cat >>confdefs.h <<_ACEOF
+#define HAVE_COROSYNC_CFG_STATE_TRACK 1
+_ACEOF
+
+      fi
+   fi
+fi
+
+
+
 
 if test "x${PBX_SPEEX}" != "x1" -a "${USE_SPEEX}" != "no"; then
    pbxlibdir=""
diff --git a/configure.ac b/configure.ac
index 8e22214dd9027632a0cf0aba9fd02e86e8adf8d0..5d1064499c27799dd85893239f8a502d2bb268ff 100644
--- a/configure.ac
+++ b/configure.ac
@@ -383,6 +383,7 @@ AST_EXT_LIB_SETUP([BKTR], [Stack Backtrace], [execinfo])
 AST_EXT_LIB_SETUP([BLUETOOTH], [Bluetooth], [bluetooth])
 AST_EXT_LIB_SETUP([CAP], [POSIX 1.e capabilities], [cap])
 AST_EXT_LIB_SETUP([COROSYNC], [Corosync], [cpg])
+AST_EXT_LIB_SETUP_OPTIONAL([COROSYNC_CFG_STATE_TRACK], [A callback only in corosync 1.x], [COROSYNC], [cfg])
 AST_EXT_LIB_SETUP([CURSES], [curses], [curses])
 AST_EXT_LIB_SETUP([CRYPTO], [OpenSSL Cryptography], [crypto])
 AST_EXT_LIB_SETUP([DAHDI], [DAHDI], [dahdi])
@@ -2000,6 +2001,7 @@ AST_EXT_LIB_CHECK([LUA], [lua], [luaL_register], [lua.h], [-lm])
 AST_EXT_LIB_CHECK([RADIUS], [radiusclient-ng], [rc_read_config], [radiusclient-ng.h])
 
 AST_EXT_LIB_CHECK([COROSYNC], [cpg], [cpg_join], [corosync/cpg.h], [-lcfg])
+AST_EXT_LIB_CHECK([COROSYNC_CFG_STATE_TRACK], [cfg], [corosync_cfg_state_track], [corosync/cfg.h], [-lcfg])
 
 AST_EXT_LIB_CHECK([SPEEX], [speex], [speex_encode], [speex/speex.h], [-lm])
 
diff --git a/include/asterisk/autoconfig.h.in b/include/asterisk/autoconfig.h.in
index 6ba9d6527c9d8abe4ff0bb7183ed257066526347..f7ef9be8907d555e3050000c1c8ef888abce2afa 100644
--- a/include/asterisk/autoconfig.h.in
+++ b/include/asterisk/autoconfig.h.in
@@ -140,6 +140,9 @@
 /* Define to 1 if you have the Corosync library. */
 #undef HAVE_COROSYNC
 
+/* Define to 1 if COROSYNC has the A callback only in corosync 1.x feature. */
+#undef HAVE_COROSYNC_CFG_STATE_TRACK
+
 /* Define to 1 if you have the `cos' function. */
 #undef HAVE_COS
 
diff --git a/res/res_corosync.c b/res/res_corosync.c
index 95a0e83ddb06477bf184e8103869820871d4f1bf..72c3b6511ec5d1767139c3c5dc053a47ab1a090a 100644
--- a/res/res_corosync.c
+++ b/res/res_corosync.c
@@ -68,15 +68,19 @@ static struct {
 static cpg_handle_t cpg_handle;
 static corosync_cfg_handle_t cfg_handle;
 
+#ifdef HAVE_COROSYNC_CFG_STATE_TRACK
 static void cfg_state_track_cb(
 		corosync_cfg_state_notification_buffer_t *notification_buffer,
 		cs_error_t error);
+#endif /* HAVE_COROSYNC_CFG_STATE_TRACK */
 
 static void cfg_shutdown_cb(corosync_cfg_handle_t cfg_handle,
 		corosync_cfg_shutdown_flags_t flags);
 
 static corosync_cfg_callbacks_t cfg_callbacks = {
+#ifdef HAVE_COROSYNC_CFG_STATE_TRACK
 	.corosync_cfg_state_track_callback = cfg_state_track_cb,
+#endif /* HAVE_COROSYNC_CFG_STATE_TRACK */
 	.corosync_cfg_shutdown_callback = cfg_shutdown_cb,
 };
 
@@ -95,11 +99,13 @@ static cpg_callbacks_t cpg_callbacks = {
 
 static void ast_event_cb(const struct ast_event *event, void *data);
 
+#ifdef HAVE_COROSYNC_CFG_STATE_TRACK
 static void cfg_state_track_cb(
 		corosync_cfg_state_notification_buffer_t *notification_buffer,
 		cs_error_t error)
 {
 }
+#endif /* HAVE_COROSYNC_CFG_STATE_TRACK */
 
 static void cfg_shutdown_cb(corosync_cfg_handle_t cfg_handle,
 		corosync_cfg_shutdown_flags_t flags)