Unified CM always uses the Communications Manager Group from the phone record, so a roaming device still registers to its home Unified CM servers.

Checked 2026-09-25

The device always registers to its home location Cisco Unified Communications Manager server even when roaming.
Vendor
Cisco
Product
Unified Communications Manager
Subsystem
registration
Deployment
on-premises
Region
not restricted
Release range
12.5(1)SU4 through 15 and SUs
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Unified CM Device Mobility: source note cucm-device-mobility-cm-group-home. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-device-mobility-cm-group-home

BibTeX

@misc{warmtransfer-claim-cucm-device-mobility-cm-group-home,
  title  = {Unified CM Device Mobility: source note cucm-device-mobility-cm-group-home},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-device-mobility-cm-group-home},
  note   = {Source note cucm-device-mobility-cm-group-home, checked 2026-09-25}
}

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