2005-2008 ITU-T SG 12 Recommendations

G series : Transmission systems and media, digital systems and networks

G100-G199 : International telephone connections and circuits

G100-G109 : General definitions

G.100/P.10 : Vocabulary for performance and quality of service

G.100.1 : The use of the decibel and of relative levels in speechband telecommunications

G.101 : The transmission plan

G.102 : Transmission performance objectives and Recommendations

G.103 : Hypothetical reference connections

G.105 : Hypothetical reference connection for crosstalk studies

G.107 : The E-model, a computational model for use in transmission planning

G.108 : Application of the E-model: A planning guide

G.108.1 : Guidance for assessing conversational speech transmission quality effects not covered by the E-model

G.108.2 : Transmission planning aspects of echo cancellers

G.109 : Definition of categories of speech transmission quality

G110-G119 : General Recommendations on the transmission quality for an entire international telephone connection

G.111 : Loudness ratings (LRs) in an international connection

G.113 : Transmission impairments due to speech processing

G.114 : One-way transmission time

G.115 : Mean active speech level for announcement and speech synthesis systems

G.116 : Transmission performance objectives applicable to end-to-end international connections

G.117 : Transmission aspects of unbalance about earth

G120-G129 : General characteristics of national systems forming part of international connections

G.120 : Transmission characteristics of national networks

G.121 : Loudness ratings (LRs) of national systems

G.122 : Influence of national systems on stability and talker echo in international connections

G.126 : Listener echo in telephone networks

G130-G139 : General characteristics of the 4-wire chain formed by the international circuits and national extension circuits

G.131 : Talker echo and its control

G.136 : Application rules for Automatic Level Control Devices

G140-G149 : General characteristics of the 4-wire chain of international circuits; international transit

G.142 : Transmission characteristics of exchanges

G170-G179 : Transmission plan aspects of special circuits and connections using the international telephone connection network

G.172 : Transmission plan aspects of international conference calls

G.173 : Transmission planning aspects of the speech service in digital public land mobile networks

G.174 : Transmission performance objectives for terrestrial digital wireless systems using portable terminals to access the PSTN

G.175 : Transmission planning for private/public network interconnection of voice traffic

G.176 : Planning guidelines for the integration of ATM technology into networks supporting voiceband services

G.177 : Transmission planning for voiceband services over hybrid Internet/PSTN connections

G1000-G1999 : Quality of service and performance – Generic and user-related aspects

G.1000 : Communications Quality of Service: A framework and definitions

G.1010 : End-user multimedia QoS categories

G.1020 : Performance parameter definitions for quality of speech and other voiceband applications utilizing IP networks

G.1030 : Estimating end-to-end performance in IP networks for data applications

G.1040 : Network contribution to transaction time

G.1050 : Network model for evaluating multimedia transmission performance over Internet Protocol

G.1070 : Opinion model for video-telephony applications

G.1080 (draft) : Quality of experience requirements for IPTV services

G.1081 (draft) : Performance monitoring points for IPTV

I series : Integrated services digital network

I300-I399 : Overall network aspects and functions

I350-I359 : Performance objectives

I.350 : General aspects of quality of service and network performance in digital networks, including ISDNs

I.352 : Network performance objectives for connection processing delays in an ISDN

I.353 : Reference events for defining ISDN and B-ISDN performance parameters

I.354 : Network performance objectives for packet-mode communication in an ISDN

I.355 : ISDN 64 kbit/s connection type availability performance

I.356 : B-ISDN ATM layer cell transfer performance

I.357 : B-ISDN semi-permanent connection availability

I.358 : Call processing performance for switched virtual channel connections (VCCs) in a B-ISDN

I.359 : Accuracy and dependability of ISDN 64 kbit/s circuit-mode connection types

I370-I399 : General network requirements and functions

I.371 : Traffic control and congestion control in B-ISDN

I.378 : Traffic control and congestion control at the ATM Adaptation Layer type 2

I.381 : ATM adaptation layer (AAL) Performance

P series : Telephone transmission quality, telephone installations, local line networks

P10-P19 : Vocabulary and effects of transmission parameters on customer opinion of transmission quality

P.10/G.100 : Vocabulary for performance and quality of service

P.11 : Effect of transmission impairments

P.16 : Subjective effects of direct crosstalk; thresholds of audibility and intelligibility

P30-P39 : Subscribers' lines and sets

P.32 : Evaluation of the efficiency of telephone booths and acoustic hoods

P40-P49 : Transmission standards

P.48 : Specification for an intermediate reference system

P50-P59 : Objective measuring apparatus

P.50 : Artificial voices

P.51 : Artificial mouth

P.52 : Volume meters

P.54 : Sound level meters (apparatus for the objective measurement of room noise)

P.55 : Apparatus for the measurement of impulsive noise

P.56 : Objective measurement of active speech level

P.57 : Artificial ears

P.58 : Head and torso simulator for telephonometry

P.59 : Artificial conversational speech

P60-P69 : Objective electro-acoustical measurements

P.61 : Methods for the calibration of condenser microphones

P.64 : Determination of sensitivity/frequency characteristics of local telephone systems

P70-P79 : Measurements related to speech loudness

P.75 : Standard conditioning method for handsets with carbon microphones

P.76 : Determination of loudness ratings; fundamental principles

P.78 : Subjective testing method for determination of loudness ratings in accordance with Recommendation P.76

P.79 : Calculation of loudness ratings for telephone sets

P80-P89 : Methods for objective and subjective assessment of quality

P.82 : Method for evaluation of service from the standpoint of speech transmission quality

P.85 : A method for subjective performance assessment of the quality of speech voice output devices

P300-P399 : Subscribers' lines and sets

P.300 : Transmission performance of group audio terminals (GATs)

P.310 : Transmission characteristics for telephone band (300-3400 Hz) digital telephones

P.311 : Transmission characteristics for wideband (150-7000 Hz) digital handset telephones

P.313 : Transmission characteristics for cordless and mobile digital terminals

P.330 : Speech processing devices for acoustic enhancement

P.340 : Transmission characteristics and speech quality parameters of hands-free terminals

P.341 : Transmission characteristics for wideband (150-7000 Hz) digital hands-free telephony terminals

P.342 : Transmission characteristics for telephone band (300-3400 Hz) digital loudspeaking and hands-free telephony terminals

P.350 : Handset dimensions

P.360 : Efficiency of devices for preventing the occurrence of excessive acoustic pressure by telephone receivers and assessment of daily noise exposure of telephone users

P.370 : Coupling hearing aids to telephone sets

P.380 : Electro-acoustic measurements on headsets

P500-P599 : Objective measuring apparatus

P.501 : Test signals for use in telephonometry

P.502 : Objective test methods for speech communication systems using complex test signals

P.505 : One-view visualization of speech quality measurement results

P.561 : In-service non-intrusive measurement device – Voice service measurements

P.562 : Analysis and interpretation of INMD voice-service measurements

P.563 : Single-ended method for objective speech quality assessment in narrow-band telephony applications

P.564 : Conformance testing for voice over IP transmission quality assessment models

P.581 : Use of head and torso simulator (HATS) for hands-free terminal testing

P800-P899 : Methods for objective and subjective assessment of quality

P.800 : Methods for subjective determination of transmission quality

P.800.1 : Mean Opinion Score (MOS) terminology

P.805 : Subjective evaluation of conversational quality

P.810 : Modulated noise reference unit (MNRU)

P.830 : Subjective performance assessment of telephone-band and wideband digital codecs

P.831 : Subjective performance evaluation of network echo cancellers

P.832 : Subjective performance evaluation of hands-free terminals

P.833 : Methodology for derivation of equipment impairment factors from subjective listening-only tests

P.833.1 : Methodology for the derivation of equipment impairment factors from subjective listening-only tests towards wideband speech codecs

P.834 : Methodology for the derivation of equipment impairment factors from instrumental models

P.835 : Subjective test methodology for evaluating speech communication systems that include noise suppression algorithm

P.840 : Subjective listening test method for evaluating circuit multiplication equipment

P.851 : Subjective quality evaluation of telephone services based on spoken dialogue systems

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

P.862.1 : Mapping function for transforming P.862 raw result scores to MOS-LQO

P.862.2 : Wideband extension to Recommendation P.862 for the assessment of wideband telephone networks and speech codecs

P.862.3 : Application guide for objective quality measurement based on Recommendations P.862, P.862.1 and P.862.2

P.880 : Continuous evaluation of time-varying speech quality

P1000-P1099 : Transmission performance and QoS aspects of IP end-points

P.1010 : Fundamental voice transmission objectives for VoIP terminals and gateways

P1100-P1199 : Communications between cars

P.1100 (draft) : Narrowband hands-free communication in motor vehicles

P supplements : Supplements to the Series P Recommendations

P Suppl. 10 : Considerations relating to transmission characteristics for analogue handset telephones

P Suppl. 16 : Guidelines for placement of microphones and loudspeakers in telephone conference rooms and for group audio terminals (GATs)

P Suppl. 20 : Examples of measurements of handset receive-frequency responses: dependence on earcap leakage losses

P Suppl. 23 : ITU-T coded-speech database

P Suppl. 24 : Parameters describing the interaction with spoken dialogue systems

Y series : Global information infrastructure, Internet protocol aspects and next-generation networks

Y1000-Y1999 : Internet protocol aspects

Y1200-Y1299 : Architecture, access, network capabilities and resource management

Y.1221 : Traffic control and congestion control in IP-based networks

Y.1222 : Traffic control and congestion control in Ethernet-based networks

Y.1223 : Interworking guidelines for transporting assured IP flows

Y1500-Y1599 : Quality of service and network performance

Y.1530 : Call processing performance for voice service in hybrid IP networks

Y.1531 : SIP-based call processing performance

Y.1540 : Internet protocol data communication service – IP packet transfer and availability performance parameters

Y.1541 : Network performance objectives for IP-based services

Y.1542 : Framework for achieving end-to-end IP performance objectives

Y.1543 : Measurements in IP networks for inter-domain performance assessment

Y.1544 : Multicast IP performance parameters

Y.1560 : Parameters for TCP connection performance in the presence of middleboxes

Y.1561 : Performance and availability parameters for MPLS networks

Y.1562 : Framework for higher-layer protocol performance parameters and their measurement

Y.1563 (draft) : Ethernet frame transfer and availability performance