Patton Whitepaper: Securing Internet Telephony: Encrypting Voice with VoIP-over-VPN - Sponsored Whitepaper

Patton Whitepaper: Securing Internet Telephony: Encrypting Voice with VoIP-over-VPN
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Securing Internet Telephony: Encrypting Voice with VoIP-over-VPN

Voice-encrypted VoIP-over-VPN protects the privacy of corporate voice communications over the Internet while delivering the cost-saving benefits of Voice-over-IP.

Introduction Voice over Internet Protocol (VoIP) offers tremendous cost-savings for the enterprise by means of reduced or eliminated telephony charges, consolidated network architectures, and reduced network operations and maintenance overhead. As with any new technology, however, there can be a down-side.

Most VoIP gateways compromise communication security by transporting VoIP and data traffic over public networks without encryption, making the information susceptible to interception by snoopers, hackers, and so forth. Because of such security concerns, enterprises that handle highly-sensitive information (such as financial, government, and military institutions) have been reluctant to cash in on the benefits of deploying a VoIP system.

Standards for voice encryption, such as SRTP and SIP TLS, are emerging. These techniques encrypt the voice as the analog signal is converted to digital form in the coder-decoder (CODEC). But the standards are still under development and are not yet ready for the commercial market. VoIP-over-VPN, in contrast, offers a secure solution for converged digital voice and data communications today.
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