[Users] help in uac config

Hello, I need one help in my configuration using authentication Bellow is my configuration more not work, i need one help for work this configuration modparam("uac","credential","username:itsp.com.br:password") ##Send Call For DDI if (uri=~"^sip:00[1-9][1-9][0-9]*@") { route(3); exit; } route[3]{ #enviando route to hitconferencing strip(2); uac_replace_from("credential"); route(1); exit; } This is correct? Thanks in advancend Jobson Andrade Projetos & Desenvolvimento Obelisk - The Asterisk & VoIP Experts phone/fax: (11) 2164-4808 ext. 115 cell Phone: (11) 8175-9916 / 8271-0480 email: <mailto:jandrade@obelisknet.com.br> jandrade(a)obelisknet.com.br