​​​​ITU-T Study Group 12: P​erformance, quality of service (QoS) and quality of experience (QoE)
(Study Period 2025 - 2028)

ITU-​T Study Group 12 is responsible for Recommendations on performance, quality of service (QoS) and quality of experience (QoE) for the full spectrum of terminals, networks, services and applications, ranging from speech over fixed circuit-based networks to multimedia applications over networks that are mobile and packet based. Included in this scope are the operational aspects of performance, QoS and QoE; the end-to-end quality aspects of interoperability; and the development of multimedia quality assessment methodologies, both subjective and objective.

Lead study group roles

• Lead study group on quality of service and quality of experience
• ​​Lead study group on performance and quality assessment of speech and multimedia communication systems, including vehicle communication systems
• ​Lead study group on video quality assessment of communications, applications and system components

Recommendation​s under the SG12 responsability

• Detailed list
• Resol​ution 2 Annex C​​