The K-factor MOS scores in the CMR use a scale from 1 (poor voice quality) to 5 (very good voice quality).
Checked 2026-09-22
measurements of average user annoyance range from 1 (poor voice quality) to 5 (very good voice quality)
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- CMR varVQMetrics
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 15 and SUs
- Checked
- 2026-09-22
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 · K-Factor Data section, description of MOS measurements
Cite this note
APA
WarmTransfer. (2026, September 22). CUCM call management records (CMR) fields and the CDR relation: source note cucm-call-management-records-mos-scale. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-call-management-records-mos-scale
BibTeX
@misc{warmtransfer-claim-cucm-call-management-records-mos-scale,
title = {CUCM call management records (CMR) fields and the CDR relation: source note cucm-call-management-records-mos-scale},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-call-management-records-mos-scale},
note = {Source note cucm-call-management-records-mos-scale, checked 2026-09-22}
}