Hello. OpenSIPs 2.2.2 Continue http://www.opensips.org/pipermail/users/2009-September/008294.html "failure_route[1] { if (t_check_status("500")) { if ( $(<reply>hdr(Disconnected)) != NULL ) { t_reply("480", "Temporarily Unavailable"); break; } } }" - does not work. Because "$(<reply>hdr(Disconnected))" equal NULL.