Source note · Unified CM call admission control

A region's maximum audio bit rate works as a filter: Unified CM takes the codecs both sides of a call leg share, drops those above the maximum, and picks the preferred codec from the rest.

Checked 2026-09-25

Vendor: Cisco
Product: Unified Communications Manager
Subsystem: Regions
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 Core Settings for Device Pools — Cisco Systems · tier 2 current vendor documentation · Regions Overview

Cite this note

APA

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

BibTeX

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

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