We need a customized dialplan for an asterisk pbx (1.6). We need callforwarding for some phones controlled by BLF of the phones. Incoming call distribution of several ISDN lines to the right MSN ports of the Openvox ports (B400P). Limited dialout for a few extensions. The size of the system is 3 external ISDN ports, 1 internal isdn, 2 fxs through a gateway for fax and 10 IP Phones.