Equipment Engineering (EE); Interworking between Direct Current/Isolated (DC/I) and Direct Current/Common (DC/C) electrical power systems
Document status: Active
Methods for Testing and Specification (MTS); Guide for the use of the second edition of TTCN
Document status: [ Withdrawn ]
Universal Personal Telecommunication (UPT); UPT phase 2; Subscriptions, service profiles and information model
Document status: Active
2-wire analogue voice band interfaces; Multiple line terminal equipment specific characteristics
Document status: Active
Terminal support interface for harmonized analogue PSTN terminals
Document status: Active
Public Switched Telephone Network (PSTN); Network Termination Point (NTP) analogue interface; Specification of physical and electrical characteristics at a 2-wire analogue presented NTP for short to medium length loop applications
Document status: Active
Public Switched Telephone Network (PSTN); Network Termination Point (NTP) analogue interface; Specification of physical and electrical characteristics at a 2-wire analogue presented NTP for short to medium length loop applications
Document status: Active
Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) protocol; Master list of codepoints and operation values
Document status: Active
Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) protocol; Master list of codepoints and operation values
Document status: Active
