CUCM Architecture: CUCM Licensing

  • Application/Node Licenses – For every physical server in the cluster
  • Software Licenses – Upgrades between major versions of CUCM
  • Device License Units – DLU (Now CUWL?)

System -> Licensing -> Licensing Unit Calculator

Publisher = License Overload!
Cisco will ask what is the MAC Address of the PUB?
E-mail from Cisco with PAK code, XML file to download and assign to the Publisher

Overdraft enables you to go over 5%

Demo License of 120 Days and 150 DLUs