--- pbx/pbx_spool.c.orig	2006-03-22 09:04:40.000000000 -0600
+++ pbx/pbx_spool.c	2006-03-22 09:04:21.000000000 -0600
@@ -255,6 +255,9 @@
 {
 	struct outgoing *o = data;
 	int res, reason;
+	struct stat current_file_status;
+	int delete_call_file = 1;
+	time_t end_time;
 	if (!ast_strlen_zero(o->app)) {
 		if (option_verbose > 2)
 			ast_verbose(VERBOSE_PREFIX_3 "Attempting call on %s/%s for application %s(%s) (Retry %d)\n", o->tech, o->dest, o->app, o->data, o->retries);
@@ -277,7 +280,20 @@
 	} else {
 		ast_log(LOG_NOTICE, "Call completed to %s/%s\n", o->tech, o->dest);
 		ast_log(LOG_EVENT, "Queued call to %s/%s completed\n", o->tech, o->dest);
-		unlink(o->fn);
+		if ( !stat(o->fn, &current_file_status) ) {
+			time(&end_time);
+			if ( end_time < current_file_status.st_atime ) {
+				ast_log(LOG_DEBUG, "call file stat date has changed to the future, keeping file\n");
+				delete_call_file = 0;
+			} else {
+				ast_log(LOG_DEBUG, "deleting call file\n");
+			}
+		} else {
+			ast_log(LOG_WARNING, "Unable to stat %s, possibly deleting a valid call file\n", o->fn);
+		}
+		if ( delete_call_file ) {
+			unlink(o->fn);
+		}
 	}
 	free_outgoing(o);
 	return NULL;