Communications Server Security Level 3

This feature provides authentication and security services in an IP network environment. It provides support for packet filtering, tunnels, and network address translation (NAT), which enables secure communication over private and public networks. It uses the Triple DES (TDES) and AES encryption algorithms, and it includes SSL/TLS with TDES and AES, SNMPv3 with TDES, and IPSec with TDES and AES.