Transmission and Multiplexing (TM); Integrated Services Digital Network (ISDN) basic rate access; Digital transmission system on metallic local lines

Standard published on 15.11.1998

Transmission and Multiplexing (TM); Integrated Services Digital Network (ISDN) basic rate access; Digital transmission system on metallic local lines

Standard published on 31.5.2000

Transmission and Multiplexing (TM); Integrated Services Digital Network (ISDN) basic rate access; Digital transmission system on metallic local lines

Standard published on 24.7.2003

Network Aspects (NA); Number Portability Task Force (NPTF); Signalling requirements to support number portability

Standard published on 24.11.1998

Speech Processing, Transmission and Quality Aspects (STQ); Guidance on writing specifications and tests for non-linear and time variant telephony terminals

Standard published on 11.1.1999

Human Factors (HF); Supplementary service codes for use in public network services

Standard published on 11.1.1999

Public Switched Telephone Network (PSTN); Subscriber line protocol for Advice of Charge (AoC) display services

Standard published on 21.12.1998

Public Switched Telephone Network (PSTN); Subscriber line protocol for Advice of Charge (AoC) display services

Standard published on 23.3.1999

Public Switched Telephone Network (PSTN); Subscriber line protocol for Advice of Charge (AoC) display services

Standard published on 8.9.1999

Public Switched Telephone Network (PSTN); Selection of a specific terminal or terminal function

Standard published on 21.12.1998