IP Telephony Authentication and Encryption

This course is included in our On-demand training solution.


To recognize the threats to a Cisco IP telephony environment and how to configure it for secure operation

Target Audience

IT professionals responsible for installing, configuring, and maintaining the ongoing administration of a Cisco IP Telephony solution; candidates preparing for the Cisco IP Telephony exam (642-444 CIPT)


CIPT v4.1 Part 1; CCNA certification; Building Cisco Multilayer Switched Networks (BCMSN); Cisco voice over IP (CVOICE); Microsoft Software for Cisco Voice (MSCV)

Expected Duration

120 min.

Course Objectives

IP Telephony Authentication and Encryption

  • identify the threats that target IP Telephony systems and how they can be mitigated.
  • recognize the PKI topologies and how they operate in an IP Telephony network.
  • recognize how to secure calls for signaling messages and media transfers.
  • recognize how to enable security in a Cisco CallManager cluster.
  • recognize how to install and use the Cisco CTL client application, and how to create LSCs using Cisco CAPF.
  • enable IP telephony security in a given scenario.
  • recognize how to configure Cisco IP Phones to support authenticated or encrypted calls, generate CAPF reports, and locate IP Phones with security features.