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1.
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Clear description of the referenced document:
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Name:
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ETSI TS 126 131 V13.1.0 (2016-01)
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Title:
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Universal Mobile Telecommunications System (UMTS);
LTE;
Terminal acoustic characteristics for telephony;
Requirements
(3GPP TS 26.131 version 13.1.0 Release 13)
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2.
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Status of approval:
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3GPP TS 26.131 V13.1.0 (2015) approved on 2015-12-18
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3.
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Justification for the specific reference:
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Contains requirements necessary to complete tables 3 to 6 of G.VoLTE, on the terminal side (in particular mandatory delay budget)
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4.
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Current information, if any, about IPR issues:
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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.
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5.
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Other useful information describing the "Quality" of the document:
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Approved Standard
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6.
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The degree of stability or maturity of the document:
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Approved Standard
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7.
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Relationship with other existing or emerging documents:
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None
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8.
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Any explicit references within that referenced document should also be listed:
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[1] 3GPP TS 26.132: "Speech and video telephony terminal acoustic test specification"./
[2] ITU-T Recommendation B.12 (1988): "Use of the decibel and the neper in telecommunications"/
[3] ITU-T Recommendation G.103 (1998): "Hypothetical reference connections"./
[4] ITU-T Recommendation G.111 (1993): "Loudness ratings (LRs) in an international connection"./
[5] ITU-T Recommendation G.121 (1993): "Loudness ratings (LRs) of national systems"./
[6] ITU-T Recommendation G.122 (1993): "Influence of national systems on stability and talker echo in international connections"./
[7] Void/
[8] ITU-T Recommendation P.11 (1993): "Effect of transmission impairments"./
[9] ITU-T Recommendation P. 380 (2003): "Electro-acoustic measurements on headsets"./
[10] ITU-T Recommendation P.50 (1993): "Artificial voices"./
[11] ITU-T Recommendation P.79 (11/07) with Annex G (2001): "Calculation of loudness ratings for telephone sets"./
[12] ITU-T Recommendation G.223 (11/88): "Assumptions for the calculation of noise on hypothetical reference circuits for telephony"./
[13] ITU-T Recommendation P.340 (05/00): "Transmission characteristics and speech quality parameters of hands-free terminals"./
[14] ITU-T Recommendation P.501 (01/12): "Test signals for use in telephonometry"./
[15] ITU-T Recommendation P.502 (05/00): "Objective test methods for speech communication systems using complex test signals"./
[16] 3GPP TS 06.77 (R99): "Minimum Performance Requirements for Noise Suppresser Application to the AMR Speech Encoder"./
[17] 3GPP TS 26.114: "IP Multimedia Subsystem (IMS); Multimedia Telephony; Media handling and interaction "./
[18] 3GPP TS 23.203: "Policy and charging control architecture".
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9.
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Qualification of
ETSI:
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ETSI is recognized under the provisions of ITU-T Recommendations A.5 and A.6. Qualifying information is on file at TSB.
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10.
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Other (for any supplementary information):
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None
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