Speech Processing, Transmission and Quality Aspects (STQ); Specification and measurement of speech transmission quality; Part 1: Introduction to objective comparison measurement methods for one-way speech quality across networks

Standard published on 17.12.2002

Speech and multimedia Transmission Quality (STQ); Specification and measurement of speech transmission quality; Part 1: Introduction to objective comparison measurement methods for one-way speech quality across networks

Standard published on 23.10.2009

Speech Processing, Transmission and Quality Aspects (STQ); Specification and measurement of speech transmission quality; Part 2: Mouth-to-ear speech transmission quality including terminals

Standard published on 2.4.2004

Speech Processing, Transmission and Quality Aspects (STQ); Specification and measurement of speech transmission quality; Part 2: Mouth-to-ear speech transmission quality including terminals

Standard published on 2.3.2005

Speech Processing, Transmission and Quality Aspects (STQ); Specification and measurement of speech transmission quality; Part 2: Mouth-to-ear speech transmission quality including terminals

Standard published on 16.11.2005

Speech and multimediaTransmission Quality (STQ); Specification and measurement of speech transmission quality; Part 2: Mouth-to-ear speech transmission quality including terminals

Standard published on 3.12.2009

Speech Processing, Transmission and Quality Aspects (STQ); Specification and measurement of speech transmission quality; Part 3: Non-intrusive objective measurement methods applicable to networks and links with classes of services

Standard published on 17.6.2003

Human Factors (HF); Framework for the development, evaluation and selection of graphical symbols

Standard published on 10.12.1998

Human Factors (HF); Telecommunications keypads and keyboards; Tactile identifiers

Standard published on 10.12.1998

Human Factors (HF); Procedure for registering a supplementary service code

Standard published on 10.12.1998