After using the CentOS repo's at digium to install dahdi Linux & tools, I got this: Installing : kmod-dahdi-linux-fwload-vpmadt032 WARNING: /lib/modules/2.6.18-164.9.1.el5/dahdi/dahdi_vpmadt032_loader.ko needs unknown symbol voicebus_transmit WARNING: /lib/modules/2.6.18-164.9.1.el5/dahdi/dahdi_vpmadt032_loader.ko needs unknown symbol vpmadtreg_unregister WARNING: /lib/modules/2.6.18-164.9.1.el5/dahdi/dahdi_vpmadt032_loader.ko needs unknown symbol voicebus_get_handlers WARNING: /lib/modules/2.6.18-164.9.1.el5/dahdi/dahdi_vpmadt032_loader.ko needs unknown symbol voicebus_set_handlers WARNING: /lib/modules/2.6.18-164.9.1.el5/dahdi/dahdi_vpmadt032_loader.ko needs unknown symbol vpmadtreg_register WARNING: /lib/modules/2.6.18-164.9.1.el5/dahdi/dahdi_vpmadt032_loader.ko needs unknown symbol voicebus_get_pci_dev Anything to worry about? Thanks, jlc