hello,it is longest matched prefix. i think you dont need to length. Cheers http://kamailio.org/docs/modules/4.4.x/modules/carrierroute.html#idp32167364 -- View this message in context: http://sip-router.1086192.n5.nabble.com/Carrier-Route-Module-tp157590p157616.html Sent from the Users mailing list archive at Nabble.com.