UCAAT 2027
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The annual ETSI User Conference on Advanced Automated Testing (UCAAT) is the most important event in the calendar of ETSI’s Technical Committee Methods for Testing and Specification (TC MTS). The 13th UCAAT will take place on 20–22 April 2027 in Belgrade, Serbia, hosted by the University of Belgrade, Faculty of Organizational Sciences. The Conference is free of charge and open to all upon registration. Registration will open in December, but we invite you to already save the date! 🚀 The Call for Contributions opens early September 2026! Whether you're an industry practitioner, researcher, or tool developer, we encourage you to stay tuned and prepare your submission. Opportunities will be available for presentations, posters, and exhibition booths. Join a global community of testing professionals and innovators to exchange ideas, showcase advancements, and help shape the future of test automation. 📌 Important dates and conference information are available on the ETSI website. Subscribe to the ETSI Events mailing list and/or the UCAAT Mailing list to get the latest news about this event! For more information, contact This email address is being protected from spambots. You need JavaScript enabled to view it. We look forward to welcoming you at UCAAT 2027. |
8th ETSI MTS Open Session on new TTCN-3 major release (14.10.2026)
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Invitation to 8th ETSI MTS Open Session on new TTCN-3 major release (continuation)
When: 14 October 2026, 2:00 p.m. – 5:00 p.m
Where:Â Fraunhofer FOKUS, Berlin(Germany)Â
Online:
<to be provided>
Background:
The TTCN-3 testing language has intensively been developed by ETSI during the last 20 years. By today, TTCN-3 has become a significantly important testing technology in different domains. The last major release of the TTCN-3 standards was published in 2009 with version 4.1.1. Since then TTCN-3 was constantly maintained and further developed.
Motivation:
The TTCN-3 language specification has reached the state where modernization and refactoring are required. Currently, language maintenance has become complex, since even small corrections and extensions require changes in many different places in the TTCN-3 language specification and extension packages.
The goal of this Open Session is to have an open discussion with TTCN-3 users, tool provider and standardization experts to discuss the Guide for the Migration to TTCN-3 V5. The document is available via https://www.etsi.org/deliver/etsi_tr/104000_104099/104081/05.01.01_60/tr_104081v050101p.pdf. This event is the 8th Open Session after previous events in January 2024, September 2024, January 2025, May 2025, October 2025, February 2026 and June 2026.
This Open Session is open for ETSI members and non-ETSI members. It is also planned to provide the possibility of remote participation. Interested persons are asked to register on the ETSI portal at <to be provided>. If you have any problems or suggestions, please do not hesitate to contact the TTF T056 project manager Jens Grabowski (This email address is being protected from spambots. You need JavaScript enabled to view it.) and/or Axel Rennoch (This email address is being protected from spambots. You need JavaScript enabled to view it.).
Agenda:
TTCN-3 tool Vanadium
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A new non-comercial TTCN-3 tool called "Vanadium" has been added to https://ttcn-3.etsi.org/index.php/tools.
Guide for the Migration to TTCN-3 V5
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ETSI (TC MTS) published TR 104 081: Guide for the Migration to TTCN-3 V5
You may download the free PDF version using https://www.etsi.org/deliver/etsi_tr/104000_104099/104081/05.01.01_60/tr_104081v050101p.pdf
7th ETSI MTS Open Session on new TTCN-3 major release (03.06.2026)
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Invitation to 7th ETSI MTS Open Session on new TTCN-3 major release (continuation)
When: 03 June 2026, 2:00 p.m. – 5:00 p.m
Where:Â Fraunhofer FOKUS, Berlin (Germany) and
Online:
https://teams.microsoft.com/meet/390885163183757?p=apSJ9AryqPkhRWlVlX
Background:
The TTCN-3 testing language has intensively been developed by ETSI during the last 20 years. By today, TTCN-3 has become a significantly important testing technology in different domains. The last major release of the TTCN-3 standards was published in 2009 with version 4.1.1. Since then TTCN-3 was constantly maintained and further developed.
Motivation:
The TTCN-3 language specification has reached the state where modernization and refactoring are required. Currently, language maintenance has become complex, since even small corrections and extensions require changes in many different places in the TTCN-3 language specification and extension packages.
The goal of this Open Session is to have an open discussion with TTCN-3 users, tool provider and standardization experts to discuss the Guide for the Migration to TTCN-3 V5Â . The draft document is available via https://docbox.etsi.org/MTS/MTS/07-Drafts/00104081v5.1.1/MTS-104081v5.1.1v001.docx. This event is the 7th Open Session after previous events in January 2024, September 2024, January 2025, May 2025, October 2025 and February 2026.
This Open Session is open for ETSI members and non-ETSI members. It is also planned to provide the possibility of remote participation. Interested persons are asked to register on the ETSI portal at https://portal.etsi.org/Meetings.aspx#/meeting?MtgId=84992. If you have any problems or suggestions, please do not hesitate to contact the TTF T056 project manager Jens Grabowski (This email address is being protected from spambots. You need JavaScript enabled to view it.) and/or Axel Rennoch (This email address is being protected from spambots. You need JavaScript enabled to view it.).
Agenda:

