Hello; you can try to $_s($avp(auth_code)) . For example , i use that $rU = $_s($avp(69)$var(v)); Cheers -- View this message in context: http://sip-router.1086192.n5.nabble.com/converting-integer-to-string-tp148781p148810.html Sent from the Users mailing list archive at Nabble.com.