Unified Communications: What is CUCM?

The mind or brain of the voice network.

Major functions:

  • Call Processing
  • Signalling and device control
  • Dial Plan Administration
  • Directory Services
  • Link to external applications (Active Directory)

Versions: 2.x/3.x/4.x – Windows 5.x and beyond are Linux based.

Hardware:

  • MCS Servers
  • Equivalent IBM/HP Server
  • VMWare Virtualisation
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