| This article will introduce voice over IP concepts | | | | become the de facto standard protocol for future |
| and security concerns. The basic premise of VoIP | | | | voice networks.The real problem that a malicious |
| is simple: rather than using a dedicated telephony | | | | code for Voice over IP (VoIP) would suppose is |
| network, voip phone calls are carried over existing | | | | that it opens a whole new field for hackers to |
| data networksThe primary motivations for doing | | | | create new types of malware. By using viable IT |
| so are cost (Roaming) and convenience as VoIP is | | | | security standards, business voip systems can be |
| significantly less expensive than typical telephone | | | | properly protected against any possible waves of |
| long distance packages, plus one high speed | | | | attacks. Meanwhile, real security requires |
| Internet connection can serve for multiple phone | | | | encryptions and cryptographic authentications. And |
| lines.Business and homeowners hearing about the | | | | more vulnerabilities can be expected for several |
| cost savings of VoIP and who want to be | | | | reasons through this new protocol: the large |
| prepared for next-generation services as they | | | | number of differing vendor implementations, the |
| become available, but don't want to completely | | | | complex nature of this collection of protocols, |
| forget about the fax machines and phones they | | | | problems with the various |
| currently use.Since its first publication in 1999, SIP | | | | implementations.Network security issues with |
| has generated a high level of interest in the VoIP | | | | VoIP may emerge in the near future as Voice |
| industry, and many people believe that SIP will | | | | over IP phone services continue to gain popularity. |