Summary

Enterprises have often used separate voice VLANs for carrying IP voice traffic, with one of the underlying drivers being security. However, a variety of sniffing and VLAN hopping tools have now compromised any security advantages of VLANs. Customers with VLAN-based IP telephony solutions that require "all or none" encryption, yet need to support legacy telephones that don't support encryption, incur severely compromised security by enabling eavesdropping or man-in-the-middle attacks.

End-to-end encryption on all media has emerged as a security prerequisite for all Voice over IP and Unified Communications solutions. By supporting end-to-end encryption out of the box, Microsoft's Office Communication Server provides a strong foundation for a secure Unified Communications solution, regardless of the physical design of the underlying network transport.

Download English Version: UnifySquare VLAN Security Whitepaper - English.pdf
Download German Version: UnifySquare VLAN Security Whitepaper - German.pdf