[Users] access control list using avps

hi all, I tried going through the avp documents but I have a few doubts related to avp_db_load and avp_check functions. I wanted to implement the access control list. the access control values may be jus like: 1 => local calls 2 => long distance calls 3 => international calls.

I am using the default table usr_preferences. when I do the avp_check as: if(!avp_check("$acl", "and/0x01")) I get an error that it cannot be parsed and fix the avp_check. And can someone pls explain how the bitwise check "and", "or" etc works..

thanks, jayesh

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