Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); Service Provider Access; Open Service Access for API requirements; Part 4: Version 4

Standard published on 12.2.2008

Services and Protocols for Advanced Networks (SPAN); Intelligent Networks (IN); Architectures and signalling requirements for IN-based networks interworking with IP-based networks

Standard published on 18.12.2001

Public Switched Telephone Network (PSTN); Real time clock [CEPT Recommendation T/CS 20-18 E (1981)]

Standard published on 15.9.1995

Electromagnetic compatibility and Radio spectrum Matters (ERM); Close Range peer-to-peer symmetrical Data Communication (CRDC) system

Standard published on 6.5.2002

User Group; Quality of Telecom Services; Part 1: Methodology for identification of parameters relevant to the Users

Standard published on 8.2.2002

User Group; Quality of telecom services; Part 1: Methodology for identification of parameters relevant to the Users

Standard published on 25.1.2007

User Group; Quality of telecom services; Part 1: Methodology for identification of indicators relevant to the Users

Standard published on 2.12.2014

User Group; Quality of telecom services; Part 2: User related parameters on a service specific basis

Standard published on 8.2.2002

User Group; Quality of telecom services; Part 2: User related parameters on a service specific basis

Standard published on 25.1.2007

User Group; Quality of telecom services; Part 2: User related indicators on a service specific basis

Standard published on 2.12.2014