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  ITU-T A.5 justification information for referenced document ETSI ES 202 765-4 V1.2.1 (2014-05) in draft J.1630
1. Clear description of the referenced document:
Name: ETSI ES 202 765-4 V1.2.1 (2014-05)
Title: Speech and multimedia Transmission Quality (STQ); QoS and network performance metrics and measurement methods; Part 4: Indicators for supervision of Multiplay services
2. Status of approval:
Approved
3. Justification for the specific reference:
this is a rreferenmce in J.1630
4. Current information, if any, about IPR issues:
IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (http://ipr.etsi.org). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document.
5. Other useful information describing the "Quality" of the document:
Approved document
6. The degree of stability or maturity of the document:
Approved and stable on 2014-05;
7. Relationship with other existing or emerging documents:
N/A
8. Any explicit references within that referenced document should also be listed:
Following document contains following references. However it is considered that it is not necessary to reference these documents, as they do not directly impact/
[1] Void./
[2] Recommendation ITU-T G.1030: "Estimating end-to-end performance in IP networks for data/
applications"./
[3] Recommendation ITU-T G.1010: "End-user multimedia QoS categories"./
[4] IETF RFC 792: "Internet Control Message Protocol"./
[5] ETSI TS 102 250-2 (V2.2.1): "Speech and multimedia Transmission Quality (STQ); QoS aspects/
for popular services in mobile networks; Part 2: Definition of Quality of Service parameters and/
their computation"./
[6] Recommendation ITU-T P.800: "Methods for subjective determination of transmission quality"./
[7] Recommendation ITU-T P.862: "Perceptual evaluation of speech quality (PESQ): An objective/
method for end-to-end speech quality assessment of narrow-band telephone networks and speech/
codecs"./
[8] Recommendation ITU-T P.862.1: "Mapping function for transforming P.862 raw result scores to/
MOS-LQO"./
[9] Recommendation ITU-T P.862.3: "Application guide for objective quality measurement based on/
Recommendations P.862, P.862.1 and P.862.2"./
[10] Recommendation ITU-T P.800.1: "Mean Opinion Score (MOS) terminology"./
[11] Recommendation ITU-T P.505: "One-view visualization of speech quality measurement results"./
[12] ETSI ES 202 765-2: "Speech and multimedia Transmission Quality (STQ); QoS and network/
performance metrics and measurement methods; Part 2 : Transmission Quality Indicator/
combining Voice Quality Metrics"./
ETSI/
ETSI ES 202 765-4 V1.2.1 (2014-05)7/
[13] Recommendation ITU-T P.863: "Perceptual objective listening quality assessment"./
[14] Recommendation ITU-T P.863.1: "Application Guide for Recommendation ITU-T P.863"./
[15] Recommendation ITU-T P.800.2: "Mean opinion score interpretation and reporting"
9. Qualification of ETSI:
ETSI is recognized under the provisions of ITU-T Recommendations A.5 and A.6. Qualifying information is on file at TSB.
10. Other (for any supplementary information):
None
Note: This form is based on Recommendation ITU-T A.5