@article {180,
	title = {Securing voice over IP},
	journal = {IEEE Network},
	volume = {20},
	year = {2006},
	month = {Sept},
	pages = {4-5},
	keywords = {Authentication, Fingerprint recognition, information filtering, information filters, Information security, Internet telephony, Markup languages, Protection, Protocols, Standardization},
	issn = {0890-8044},
	doi = {10.1109/MNET.2006.1705876},
	author = {Ram Dantu and Ghosal, Dipak and Schulzrinne, Henning}
}
