early handle of subscription timeout

kamailio/presence_notify_sync-role.cfg

@@ -51,12 +51,13 @@ event_route[presence:notify-reply]
 
     $xavp(pres=>delete_subscription) = 0;
 
-    if($notify_reply($rs) == 200) {
+    if($subs(reason) == "timeout") {
+       $xavp(pres=>delete_subscription) = 1;
+       xlog("L_INFO", "$ci|end|deleting subscribtion $subs(pres_uri) for $subs(watcher_username)@$subs(watcher_domain) due to timeout\n");
+    } else if($notify_reply($rs) == 200) {
        $sht(notify=>$ci) = $null;
        $sht(notify=>$ci::count) = 0;
        xlog("L_INFO", "$ci|end|notified $subs(watcher_username)@$subs(watcher_domain) on behalf of $subs(pres_uri)\n");
-    } else if($notify_reply($rs) == 481 && $subs(reason) == "timeout") {
-       xlog("L_INFO","$ci|end|sent subscription $hdr(Subscription-State)\n");
     } else {
        xlog("L_ERROR", "$ci|error|received $notify_reply($rs) when notifying $subs(watcher_username)@$subs(watcher_domain) on behalf of $subs(pres_uri)\n");
        if($rP != "UDP") {