Extension Mobility Roaming Across Clusters (EMRAC) lets users roam across multiple clusters and make or receive calls even when their home cluster is down.
Checked 2026-09-24
- Vendor
- Cisco
- Product
- Cisco Unified Communications Manager
- Subsystem
- emrac
- Deployment
- on-premises, multi-cluster
- Region
- not restricted
- Release range
- 12.0(1)SU1 and later; Release 15 guide
- Checked
- 2026-09-24
Sources
- Feature Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs - Extension Mobility Roaming Across Clusters — Cisco Systems · tier 2 current vendor documentation · Extension Mobility Roaming Across Clusters Overview
Cite this note
APA
WarmTransfer. (2026, September 24). Unified CM Extension Mobility and cross-cluster Extension Mobility: source note cucm-extension-mobility-emrac-definition. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-extension-mobility-emrac-definition
BibTeX
@misc{warmtransfer-claim-cucm-extension-mobility-emrac-definition,
title = {Unified CM Extension Mobility and cross-cluster Extension Mobility: source note cucm-extension-mobility-emrac-definition},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-extension-mobility-emrac-definition},
note = {Source note cucm-extension-mobility-emrac-definition, checked 2026-09-24}
}