@book{5238,
	author = {Endler, David and Collier, Mark},
	title = {Hacking Exposed VoIP: voice over IP security secrets & solutions},
	publisher = {McGraw-Hill,},
	year = {2007.},
	address = {New Delhi:},
	url = {http://10.10.170.122:8080/browse/book/26652}
}