RTCP XR carries per-call voice quality in the VoIP Metrics Report Block, block type 7.

Checked 2026-09-24

Vendor
IETF
Product
RTCP XR
Subsystem
VoIP Metrics Report Block
Deployment
any
Region
not restricted
Release range
RFC 3611
Checked
2026-09-24

Sources

Cite this note

APA

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

BibTeX

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

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