[Serusers] PSTN Routing script problems

[Alessio Focardi]

>
>
>The is_user_in() call looks in the credentials for the user_id,
>and that user_id is used for a lookup in the grp table for a grp
>with a value of 'local', ie:
>
>    select * from grp where user_id = 'user_id' and grp = 'local';
>
>The reason credentials are used is because the from can be trivially
>forged.

ok, is not safe, I know it .... but why is not working ?

>is_user_in(): No authorized credentials found (error in scripts)

what script ?