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ITU-T Q.3911

Parameters for monitoring voice services in NGN

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Organization: ITU-T
Publication Date: 1 June 2010
Status: active
Page Count: 18
scope:

This Recommendation defines the parameters set which will impact quality of voice service in NGN. These parameters are generated by network elements, such as terminal elements, connection elements, transmission elements, etc. The definitions provided here are dependent on NGN which uses SIP as call control protocol. How to monitor these parameters is out of the scope of this recommendation.

Document History

ITU-T Q.3911
June 1, 2010
Parameters for monitoring voice services in NGN
This Recommendation defines the parameters set which will impact quality of voice service in NGN. These parameters are generated by network elements, such as terminal elements, connection elements,...

References

This document references:
ITU-T P.800 - Methods for Subjective Determination of Transmission Quality - Series P: Telephone Transmission Quality; Methods for Objective and Subjective Assessment of Quality
Published by ITU-T on August 1, 1996
This Recommendation contains advice to Administrations on conducting subjective tests of transmission quality in their own laboratories. It does not however deal with types of tests described in...
This document references:
ITU-T P.862.1 - Mapping function for transforming P.862 raw result scores to MOS-LQO
Published by ITU-T on November 1, 2003
A description is not available for this item.
This document references:
ITU-T G.729 - Coding of speech at 8 kbit/s using conjugate-structure algebraic-code-excited linear prediction (CS-ACELP)
Published by ITU-T on June 1, 2012
This Recommendation contains the description of an algorithm for the coding of speech signals at 8 kbit/s using conjugate-structure algebraic-code-excited linear prediction (CS-ACELP). This...
This document references:
ITU-T P.564 - Conformance testing for voice over IP transmission quality assessment models
Published by ITU-T on November 1, 2007
This Recommendation specifies minimum criteria for objective speech quality assessment models that predict the impact of observed IP network impairments on the one-way listening quality experienced...
This document references:
ITU-T P.800.1 - Mean opinion score (MOS) terminology
Published by ITU-T on July 1, 2016
This Recommendation provides a terminology which shall be used in conjunction with audio, video and audio-visual quality expressions in terms of mean opinion score (MOS).
This document is referenced by:
ITU-T Q.3912 - Set of parameters for monitoring next generation network streaming services
Published by ITU-T on August 1, 2012
This Recommendation provides the measurement metrics of stream service monitoring and defines a set of parameters that will impact the quality of streaming services in the next generation network...
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