You may need to set this up with the web portal of your ITSP. My provider allows both caller ID to be passed in via SIP or alternatively to have a pre-provisioned caller ID to be applied to all calls.
John -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users