When a device roams into a different device mobility group, Unified CM uses the Calling Search Space, AAR Group and AAR CSS from the phone record rather than from the roaming location.

Checked 2026-09-25

Vendor
Cisco
Product
Unified Communications Manager
Subsystem
Device Mobility
Deployment
on-premises
Region
not restricted
Release range
Release 15 and SUs
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Unified CM call admission control: source note cucm-call-admission-control-dm-aar-group. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-call-admission-control-dm-aar-group

BibTeX

@misc{warmtransfer-claim-cucm-call-admission-control-dm-aar-group,
  title  = {Unified CM call admission control: source note cucm-call-admission-control-dm-aar-group},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-call-admission-control-dm-aar-group},
  note   = {Source note cucm-call-admission-control-dm-aar-group, checked 2026-09-25}
}

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