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Internet Telephony

 

Convergence of voice and data networks can make communications more vulnerable (single point of failure - SPF, opens “voice” to data network security issues); what can be done about that?

Asked by : Subodh Rawool, Project Lead, 3i Infotech
Industry : Internet
Functional Area : Communication
Keywords : Communications Issues Failure Opens Network Security Point Done Voice Convergence Single Vulnerable Data Networks SPF
Activity: Question posted: 06 02 2008 22:45:29 +0000, 2 answers, 147 views, last activity 07 06 2010 20:18:08 +0000
 
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2 Answers for "Convergence of voice and data networks can make communications more vulnerable (single point of failure - SPF, opens “voice” to data network security issues); what can be done about that?"
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  Answered by     sachin , Team Leader -(NonTechnical), Infor Global Solutions  | 06 12 2008 04:10:23 +0000
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There are two types of POE. The layer 2 switch can provide power or the power unit sits mid-span between the switch and the phones. The first is a logical choice allowing centralized battery backup in case of loss of power. The mid-span power unit would be used if a customer has a large investment in the current switches and does not want to replace them. Providing local power to the station telephone is an alternative. In case of power failure, stations will cease operation unless a universal power supply (UPS) is deployed to each station.

  Answered by     Sreekanth Dasari, Project Lead, Infosys  | 06 02 2008 22:46:28 +0000
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Allowing voice on the data network will subject voice packets to the same vulnerability that data packets are subject to. Regarding system security, non-Microsoft Windows® operating systems like VxWorks® reduces the potential for email bourn viruses and random hacker attacks. Microsoft Windows® based systems face a greater potential for viral attacks and proper safeguards should be taken to protect the voice infrastructure. Additionally, by utilizing a converged platform, a customer has the best of both worlds in that some phones can be delivered via LAN and others delivered via TDM dedicated cable runs. In this case, should any attack breach the network, TDM phones will continue to operate.

 
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