SAN JOSE, CA -- Cisco Systems (Nasdaq:CSCO), a leader in networking for the Internet, today announced the availability of the PIX 506E and 515E platforms providing enhanced performance for the popular PIX 506 and 515 Firewall platforms, version 6.2 of the PIX Firewall Operating System (OS), and availability of the SAFE Blueprint for IP telephony. These new enhancements provide customers with network security and VPN performance requirements for next-generation, converged network deployments.