@book{30979,
	author = {Fong, Paul J. and ebrary, Inc.},
	title = {Configuring Cisco voice over IP},
	publisher = {Syngress Media,},
	year = {c2002.},
	address = {Rockland :},
	edition = {2nd ed.},
	note = {Includes index.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10014632}
}