World Telecommunication Standardization Assembly (WTSA) The World Telecommunication Standardization Assembly (WTSA) is held every four years and defines the next period of study for ITU-T. WTSA-24, India4th quarter of 2024 WTSA-20, Geneva, Switzerland1 – 9 March 2022 WTSA-16, Hammamet, Tunisia25 October – 3 November 2016 WTSA-12, Dubai, United Arab Emirates20 – 29 November 2012 WTSA-08, Johannesburg, South Africa21 – 30 October 2008 WTSA-04, Florianópolis, Brazil5 – 14 October 2004 WTSA-2000, Montréal, Canada27 September – 6 October 2000 WTSC-96, Geneva, Switzerland9 – 18 October 1996