Telecoms provider Thus
warned today that some consumer VoIP products use a peer-to-peer model which
results in bandwidth being used to carry other individuals' voice and data
traffic without the user's consent or knowledge.
Such applications are designed to circumvent firewall restrictions by
emulating a web browser, according to the company. This can be troublesome on a
corporate network as it makes the VoIP packets difficult to identify, audit and
control.
Thus also warned that IT departments will find it difficult to track and
store user communication, and that videoconferencing and file transfer
applications can take up significant bandwidth on the corporate network and slow
other network traffic, all of which could have a serious impact on work
productivity.
The firm suggested certain controls businesses can put in place to protect
themselves from such vulnerabilities associated with VoIP:
If a business does allow consumer VoIP packages to be downloaded Thus said
that the company should:
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