Source note · Unified CM call admission control
AAR is enabled cluster-wide by setting the Automated Alternate Routing Enable service parameter to True, under Clusterwide Parameters (System - CCM Automated Alternate Routing) for the Cisco CallManager service.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- Automated Alternate Routing
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15 and SUs
- Checked
- 2026-09-25
Sources
- System Configuration Guide for Cisco Unified Communications Manager Release 15 and SUs - Configure Call Routing — Cisco · tier 2 current vendor documentation · Configure Call Routing; Enable Automated Alternate Routing procedure
Cite this note
APA
WarmTransfer. (2026, September 25). Unified CM call admission control: source note cucm-call-admission-control-aar-enable-param. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-call-admission-control-aar-enable-param
BibTeX
@misc{warmtransfer-claim-cucm-call-admission-control-aar-enable-param,
title = {Unified CM call admission control: source note cucm-call-admission-control-aar-enable-param},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-call-admission-control-aar-enable-param},
note = {Source note cucm-call-admission-control-aar-enable-param, checked 2026-09-25}
}