Chapter 9. Cisco Unified Communications Manager Security
The heart of any IP telephony network is the call control or call processing engine. Whether your organization is related to healthcare, retail, banking, financial, government, manufacturing, education, or any other business stream, if you are using Cisco IP Telephony, you are using Cisco Unified Communications Manager (CUCM) (or Cisco Unified Communications Manager Express) for call control, and it must be secured. Call control is the pivotal point for the entire IP Telephony architecture because it helps bring together the otherwise disparate pieces of a communication solution, for example, endpoints, voice messaging, presence, IP or PSTN calls, third-party communication devices ranging ...
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