Securing Cisco IP Telephony Networks

Chapter 5. Cisco IP Telephony Physical Security

Now that you have your IP Telephony Security Framework worked out, it is time to apply the same to the technology element and to start with the first fundamental step, physical security. It is your IP Telephony network, so there’s no reason why it cannot be secure at the basic layer.

In the past, protecting network and telecom equipment with an utmost level of reliability was not necessary because of the clear demarcation between telecom and network domains. Today, however, with network convergence and the importance of IP-based communications, the paradigm has shifted, and it is essential to protect your IP Telephony systems. If the network is not physically secure, many attack vectors are left ...