Session Initiation Protocol Event Package for Voice Quality Reporting

Publisher

IETF / RFC Editor

URL

https://www.rfc-editor.org/rfc/rfc6035.html

Published

2010-11-01

Updated

unknown

Accessed

2026-09-24

HTTP status

200

License

IETF Trust; BCP 78; IETF Trust legal provisions; short excerpts and locators only

Source notes citing this source

• A collector that ingests both RTCP XR blocks and SIP vq-rtcpxr reports cannot assume one R-factor range, because RFC 3611 bounds R at 0 to 100 and RFC 6035 allows 0 to 120. inferred in context
• RFC 6035 defines the SIP event package vq-rtcpxr with media type application/vq-rtcpxr; it SHOULD be used with SUBSCRIBE/NOTIFY and MAY be used with PUBLISH for backward compatibility. in context
• In RFC 6035 QualityEst, the RLQ and RCQ R-factors range 0 to 120 and MOSLQ and MOSCQ are decimal values from 0.0 to 4.9. in context
• RFC 6035 defines three voice quality report types: VQSessionReport, VQIntervalReport and VQAlertReport. in context
• RFC 6035 (Standards Track, November 2010) defines the SIP event package vq-rtcpxr by which user agents send voice quality reports to a third-party collector using PUBLISH or SUBSCRIBE/NOTIFY. in context
• An RFC 6035 VQSessionReport can carry MOS-LQ, MOS-CQ, listening and conversational R-factors, jitter buffer parameters, network loss and discard rates, burst/gap metrics, round-trip and end-system delay, and signal/noise/echo levels. in context

Cite this source record

APA

WarmTransfer. (2010, November 1). Session Initiation Protocol Event Package for Voice Quality Reporting. WarmTransfer. https://warmtransfer.net/knowledge/sources/rfc-6035-vq-rtcpxr

BibTeX

@misc{warmtransfer-rfc-6035-vq-rtcpxr,
  title  = {Session Initiation Protocol Event Package for Voice Quality Reporting},
  author = {{WarmTransfer}},
  year   = {2010},
  url    = {https://warmtransfer.net/knowledge/sources/rfc-6035-vq-rtcpxr},
  note   = {IETF / RFC Editor, accessed 2026-09-24}
}