Index: apps/app_mixmonitor.c
===================================================================
--- apps/app_mixmonitor.c	(revision 413071)
+++ apps/app_mixmonitor.c	(working copy)
@@ -1415,9 +1415,9 @@
 	ast_cli_register_multiple(cli_mixmonitor, ARRAY_LEN(cli_mixmonitor));
 	res = ast_register_application_xml(app, mixmonitor_exec);
 	res |= ast_register_application_xml(stop_app, stop_mixmonitor_exec);
-	res |= ast_manager_register_xml("MixMonitorMute", 0, manager_mute_mixmonitor);
-	res |= ast_manager_register_xml("MixMonitor", 0, manager_mixmonitor);
-	res |= ast_manager_register_xml("StopMixMonitor", 0, manager_stop_mixmonitor);
+	res |= ast_manager_register_xml("MixMonitorMute", EVENT_FLAG_SYSTEM | EVENT_FLAG_CALL, manager_mute_mixmonitor);
+	res |= ast_manager_register_xml("MixMonitor", EVENT_FLAG_SYSTEM, manager_mixmonitor);
+	res |= ast_manager_register_xml("StopMixMonitor", EVENT_FLAG_SYSTEM | EVENT_FLAG_CALL, manager_stop_mixmonitor);
 	res |= set_mixmonitor_methods();
 
 	return res;
Index: UPGRADE.txt
===================================================================
--- UPGRADE.txt	(revision 413071)
+++ UPGRADE.txt	(working copy)
@@ -25,6 +25,11 @@
  - The asterisk command line -I option and the asterisk.conf internal_timing
    option are removed and always enabled if any timing module is loaded.
 
+ - MixMonitor AMI actions now require users to have authorization classes.
+   * MixMonitor - system
+   * MixMonitorMute - call or system
+   * StopMixMonitor - call or system
+
 From 12.1.0 to 12.2.0:
 
 AMI: