VoIP VPN
Voice over IP, Virtual private network, Secure voice
978-620-1-98149-2
6201981497
68
2012-08-22
29.00 €
eng
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A VoIP VPN combines voice over IP and virtual private network technologies to offer a method for delivering secure voice. Because VoIP transmits digitized voice as a stream of data, the VoIP VPN solution accomplishes voice encryption quite simply, applying standard data-encryption mechanisms inherently available in the collection of protocols used to implement a VPN. The VoIP gateway-router first converts the analog voice signal to digital form, encapsulates the digitized voice within IP packets, then encrypts the digitized voice using IPsec, and finally routes the encrypted voice packets securely through a VPN tunnel.
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