P.800.1 requires a MOS value to state whether it concerns listening, talking or conversational quality and whether it comes from subjective testing, an objective model or network planning.

Checked 2026-09-24

Vendor
ITU-T
Product
P.800.1
Subsystem
MOS terminology
Deployment
any
Region
not restricted
Release range
P.800.1 (07/16)
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Call quality metrics and MOS estimation: source note call-quality-metrics-p800-1-qualifiers. WarmTransfer. https://warmtransfer.net/knowledge/claims/call-quality-metrics-p800-1-qualifiers

BibTeX

@misc{warmtransfer-claim-call-quality-metrics-p800-1-qualifiers,
  title  = {Call quality metrics and MOS estimation: source note call-quality-metrics-p800-1-qualifiers},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/call-quality-metrics-p800-1-qualifiers},
  note   = {Source note call-quality-metrics-p800-1-qualifiers, checked 2026-09-24}
}

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