Koha online catalog › Results of search for 'su:"Internet telephony

	1.	Understanding voice over IP security by Johnston, Alan B \| Piscitello, David M. Material type: Book; Format: print ; Literary form: Not fiction Publisher: Boston: Artech House, 2006Availability: Items available for loan: [Call number: 005.8 JOH] (1). Place hold
	2.	Securing VoIP networks : threats, vulnerabilities, and countermeasures by Thermos, Peter \| Takanen, Ari. Material type: Book; Format: print ; Literary form: Not fiction Publisher: Upper Saddle River: Addison-Wesley, 2008Availability: Items available for loan: [Call number: 004.695 THE] (1). Place hold
	3.	VoIP security by Ransome, James F \| Rittinghouse, John W. Material type: Book; Format: print ; Literary form: Not fiction Publisher: New Delhi: Elsevier, 2006Availability: Items available for loan: [Call number: 005.8 RAN] (1). Place hold

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