All,
I'm planning to upgrade CUCM 8.6 to 11.5 and just wondering if anyone can give me some tips with planning would be appriciated.
Current setup:
- CUCM 8.6 with Cisco Unity Connection application
- Additional standalone application - Presense
- Voice Gateway
- Analog Gateway
Plan is to upgrade the first 3 of them using new set of hardware.
Thanks for your help in advance!