Hi all, the problem has been solved setting pridialplan=unknown.
Asterisk restart is mandatory....reloading chan_dahdi.conf module is not enough!
The leading zero still remains a ghost since it cannot be seen in any log. Brrrr! Creepy! :)
Hope this can help some other soul in pain... Thank you all for your answers, guys! Giorgio Incantalupo -- _____________________________________________________________________ -- 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