Cesar, It's much better to do it using radius and a DB, you may use GNU Radius for this, you might find it quite suitable for your needs: http://www.gnu.org/software/radius/radius.html in the radius auth request you should check for every call the Called-Station-Id and deny calls to any prefix you wish to deny. Enrique- ------------------------------------------------------- The SF.Net email is sponsored by EclipseCon 2004 Premiere Conference on Open Tools Development and Integration See the breadth of Eclipse activity. February 3-5 in Anaheim, CA. http://www.eclipsecon.org/osdn _______________________________________________ List: Openh323gk-users@lists.sourceforge.net Archive: http://sourceforge.net/mailarchive/forum.php?forum_id=8549 Homepage: http://www.gnugk.org/