© 2006 Cisco Systems, Inc. All rights reserved.CIPT2 v Module Summary Cisco Unified CallManager provides several features to prevent toll fraud. The Cisco IP phone needs to be hardened to resist attacks. There are four cryptographic services: confidentiality, integrity, authentication, and nonrepudiation. A PKI allows scalable and secure deployment of cryptographic services. Authentication and encryption can be configured in a Cisco IP telephony system to provide secure IP telephony. The configuration of authentication and encryption in an IP telephony system includes clusterwide settings and device-specific paramters.
© 2006 Cisco Systems, Inc. All rights reserved.CIPT2 v5.01-2