I stoped driver development here. This project contains outdated version of the driver just for the reference, please visit Parabel ltd. site for the driver updates and support. Linux 2.6.x Zaptel driver for the 2,4 and 8 E1 ports Parabel Quasar E1 PCI/PMC interface board. This driver allows to use board as the hardware for the Asterisk(tm) project.