SDL Forum Society
The SDL Forum Society is a non-profit organization with the purpose of promoting SDL/MSC and support education on SDL/MSC.

ASN.1 Project

The ITU ASN.1 Project 
assist users of ASN.1, and promotes the usage of ASN.1 across a wide range of industries and standards bodies.


The Test Description Language (TDL)  
is the ETSI test language for specification of test descriptions and presentations of test execution results.


Testing and Test Control Notation version 3 (TTCN-3)  
is the globally standardised test language for test specification of black box systems.
ETSI - European Telecommunications Standards Institute
the organization that develops and maintains european telecommunications standards.
ITU-T - IUT Telecommunication Standardization Sector
ITU-T is the international organization that develops international standards known as ITU-T Recommendations which act as defining elements in the global infrastructure of information and communication technologies (ICTs)