VoIP: Can we talk?

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VoIP cuts costs and streamlines communication for enterprises, but are the benefits worth the security risks? Dan Kaplan investigates.

BT, meet your newest competitor, voice over internet protocol (VoIP). The technology, just a few years old, is growing up fast as enterprises and home users abandon traditional telephone lines so that they can converge voice and data communication onto one network - and significantly cut costs ...

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