Retain original pusher behaviour unless Simultaneous-Push-and-Invite is true

kamailio/pusher-role.cfg

@@ -12,6 +12,10 @@ route[PUSHER_ROUTE]
     if ( (!is_method("INVITE")) || (!isflagset(FLAG_INTERNALLY_SOURCED)) || $hdr(X-KAZOO-PUSHER-Token-ID) == $null)
        return;
 
+    if(registered("location") && $hdr(X-KAZOO-PUSHER-Simultaneous-Push-and-Invite) == null) {
+       return;
+    }
+
     xlog("L_INFO", "$ci| pusher received request to wakeup $tu\n");
     sl_send_reply(180, "waking the dead guy");
     if (t_newtran()) {