@book{82567,
	author = {Hersent, Olivier. and ebrary, Inc.},
	title = {IP telephony},
	publisher = {John Wiley,},
	year = {2010.},
	address = {Hoboken, NJ :},
	edition = {2nd ed.},
	note = {Includes index.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10419090}
}