Saturday, September 16, 2006
O'Reilly's VoIP
Practical VoIP Using VOCAL, 07 2002
Switching to VoIP, 06 2005
Asterisk: The Future of Telephony, 09 2005
VoIP Hacks (Tips & Tools for Internet Telephony), 12 2005
Skype Hacks Tips & Tools for Cheap, Fun, Innovative Phone Service
