Source note · Call quality metrics and MOS estimation

CUCM writes one CMR for each IP phone involved in a call or for each MGCP gateway.

Checked 2026-09-24

The system writes one CMR record for each IP phone that is involved in the call or for each Media Gateway Control Protocol (MGCP) gateway.

Vendor: Cisco
Product: Cisco Unified Communications Manager
Subsystem: Call Management Records
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 - Call Management Records — Cisco Systems · tier 2 current vendor documentation · CMR Processing

Cite this note

APA

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

BibTeX

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

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