is the foundational architecture for modern enterprise voice and video collaboration networks. Migrating from bare-metal hardware to virtualized infrastructure has allowed organizations to consolidate servers, achieve high availability, and streamline administrative workflows.
Strict adherence to the is mandatory. CUCM versions are tightly coupled with specific ESXi versions. Installing CUCM on an unsupported hypervisor version will result in an unsupported configuration, potentially voiding support from Cisco TAC. cucm virtualization
[ CUCM Virtualization Layer ] │ ┌───────────────────────┼────────────────────────┐ ▼ ▼ ▼ [ VMware vSphere ] [ Nutanix AHV ] [ Cisco NFVIS-for-UC ] - ESXi 7.0 U3 - Acropolis AOS - Native bare-metal - ESXi 8.0 U1 - Prism Central Cisco hypervisor 1. VMware vSphere ESXi VMware remains widely deployed for CUCM infrastructure. is the foundational architecture for modern enterprise voice
Database replication confirmed.
The future of voice wasn't in beige boxes anymore. It was in a few gigabytes of RAM, a reservation policy, and an engineer who knew when to break the rules. CUCM versions are tightly coupled with specific ESXi