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Security in VoIP-Current Situation and Necessary Development
Linköping University, Department of Electrical Engineering.
2006 (English)Independent thesis Advanced level (degree of Magister), 20 points / 30 hpStudent thesis
Abstract [en]

Nowadays, VoIP is getting more and more popular. It helps company to reduce cost, extends service to remote area, produce more service opportunities, etc. Besides these advantages, VoIP also put forward security problems.

In this paper, we introduce the popular protocols in VoIP and their security mechanisms, by introducing threats to VoIP, we point out the vulnerabilities with the security mechanisms of each VoIP protocol, and give recommendation for each VoIP protocol. In the conclusion part, we evaluate the vulnerabilities of each protocol, and point out in the future, with better protocol architecture, enhanced security policies, VoIP will has a brighter future.

Place, publisher, year, edition, pages
Institutionen för systemteknik , 2006. , 92 p.
Keyword [en]
VoIP, Security, MGCP, threats, risk, IPSec, Hash, encryption., VoIP vulnerability, VoIP protocols, H.323. SIP, RTP, RTCP
National Category
Computer Science
URN: urn:nbn:se:liu:diva-7921ISRN: LiTH-ISY-EX—06/3972--SEOAI: diva2:22829
2006-11-12, , B, 00:00
Available from: 2006-12-13 Created: 2006-12-13

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