Source note · Call quality metrics and MOS estimation

CUCM CMR concealment metrics are CCR (cumulative concealment over speech time), ICR (concealment rate over the last 3 seconds of active speech), ICRmx (maximum), CS (concealment seconds) and SCS (severely concealed seconds).

Checked 2026-09-24

Vendor: Cisco
Product: Cisco Unified Communications Manager
Subsystem: CMR varVQMetrics
Deployment: on-premises
Region: not restricted
Release range: Release 15 and SUs
Checked: 2026-09-24

Sources

Call Reporting and Billing Administration Guide for Cisco Unified Communications Manager, Release 15 and SUs - CMR Field Descriptions — Cisco Systems · tier 2 current vendor documentation · CMR field table, varVQMetrics rows CCR, ICR, ICRmx, CS, SCS

Cite this note

APA

WarmTransfer. (2026, September 24). Call quality metrics and MOS estimation: source note call-quality-metrics-cucm-concealment. WarmTransfer. https://warmtransfer.net/knowledge/claims/call-quality-metrics-cucm-concealment

BibTeX

@misc{warmtransfer-claim-call-quality-metrics-cucm-concealment,
  title  = {Call quality metrics and MOS estimation: source note call-quality-metrics-cucm-concealment},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/call-quality-metrics-cucm-concealment},
  note   = {Source note call-quality-metrics-cucm-concealment, checked 2026-09-24}
}

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