FS-3415 --resolve

src/switch_core.c

@@ -81,6 +81,7 @@ static void send_heartbeat(void)
 								duration.ms, duration.ms == 1 ? "" : "s", duration.mms, duration.mms == 1 ? "" : "s");
 
 		switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Session-Count", "%u", switch_core_session_count());
+		switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Max-Sessions", "%u", switch_core_session_limit(0));
 		switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Session-Per-Sec", "%u", runtime.sps);
 		switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Session-Since-Startup", "%" SWITCH_SIZE_T_FMT, switch_core_session_id() - 1);
 		switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Idle-CPU", "%f", switch_core_idle_cpu());