Hi, Patch for asterisk 1.4.13 and vpb-driver currently in NEW is available here: http://www.voicetronix.com/Downloads/asterisk/chan_vpb-1.4.13+vpb-driver-4.2.18.patch The following example config should also replace the one in configs/ in the asterisk source. http://www.voicetronix.com/Downloads/asterisk/vpb.conf.sample Cheers, Ron