/sbin/isdnctrl addif ippp0
/sbin/isdnctrl secure ippp0 on
/sbin/isdnctrl addphone ippp0 out 238038
/sbin/isdnctrl l2_prot ippp0 hdlc
/sbin/isdnctrl l3_prot ippp0 trans
/sbin/isdnctrl encap ippp0 syncppp
/sbin/isdnctrl huptimeout ippp0 600
/sbin/isdnctrl dialmode ippp0 manual
/sbin/ipppd /dev/ippp0