Transmission and Multiplexing (TM); Passive optical components; Connector-type optical fixed attenuators for single-mode optical fibre communications systems; Common requirements and conformance testing
Document status: Active
Integrated Services Digital Network (ISDN); Signalling System No.7; ISDN User Part (ISUP); Signalling aspects of charging
Document status: Active
Integrated Services Digital Network (ISDN); Signalling System No.7; ISDN User Part (ISUP); Signalling aspects of charging
Document status: Active
Speech and multimediaTransmission Quality (STQ); Specification and measurement of speech transmission quality; Part 2: Mouth-to-ear speech transmission quality including terminals
Document status: Active
Human Factors (HF); Telecommunications keypads and keyboards; Tactile identifiers
Document status: Active
Human Factors (HF); Procedure for registering a supplementary service code
Document status: Active
Telecommunications Management Network (TMN); Universal Mobile Telecommunications System (UMTS); Management architecture framework; Overview, processes and principles
Document status: Active
Telecommunications Management Network (TMN); Service Switching Function (SSF) management information model;
Document status: Active
ElectroMagnetic Compatibility and Radio Spectrum Matters (ERM); Additional ElectroMagnetic Compatibility (EMC) requirements for telecommunications equipment for enhanced availability of service in specific applications
Document status: Active
Integrated Services Digital Network (ISDN); ISDN service enhancements based on DDI ranges for call diversion supplementary services
Document status: Active
