../ 2_VoIP.Cisco.Introduction to IP Telephony.pdf 13-Aug-2005 23:53 10497742 Asterisk Handbook-Draft.pdf 02-Oct-2005 21:55 3532862 OReilly,.VoIP.Hacks.Tips.and.Tools.for.Internet..> 19-Feb-2006 00:55 2660014 asterisk-VOIP.pdf 02-Oct-2005 16:53 459224 fxs_fxo.pdf 22-Jul-2005 10:57 966012