BUSINESS TELECOMMUNICATIONS (BTC). 64 KBIT/S DIGITAL UNRESTRICTED LEASed line with octet integrity (D64U). Connection characteristics.
Edition 1999-01-11

BUSINESS TELECOMMUNICATIONS (BTC). 64 KBIT/S DIGITAL UNRESTRICTED LEASed line with octet integrity (D64U). Terminal equipment interface.
Edition 1999-01-11

BUSINESS TELECOMMUNICATIONS (BTC). ORDINARY QUALITY VOICE BANDWIDTH 2-wire analogue leased line (A20). Connection characteristics and network interface presentation.
Edition 1997-11-20

BUSINESS TELECOMMUNICATIONS (BTC). SPECIAL QUALITY VOICE BANDWIDTH 2-Wire analogue leased line (A2S). Connection characteristics and network interface presentation.
Edition 1997-11-20

BUSINESS TELECOMMUNICATIONS (BTC). ORDINARY QUALITY VOICE BANDWIDTH 4-wire analogue leased line (A40). Connection characteristics and network interface presentation.
Edition 1997-11-20

BUSINESS TELECOMMUNICATIONS (BTC). SPECIAL QUALITY VOICE BANDWITH 4-WIre analogue leased line (A4S). Connection characteristics and network interface presentation.
Edition 1997-11-20

Information technology - International Standardized Profile RA - Relaying the Connectionless-mode Network Service - Part 8: Definition of profile RA51.1111, relaying the Connectionless-mode - Network Service between CSMA/CD LAN subnetworks and PSDNs using virtual calls over PSTN leased line permanent access (ISO/IEC ISP 10613-8:1994) (Ersatz für ENV 41801 T 8)
Edition 1996-04-01

Information technology - International Standardized Profile RA - Relaying the Connectionless-mode Network Service - Part 9: Definition of profile RA51.1121, relaying the Connectionless-mode - Network Service between CSMA/CD LAN subnetworks and PSDNs using virtual calls over digital data circuit/CSDN leased line permanent access (ISO/IEC ISP 10613-9:1994) (Ersatz für ENV 41801 T 9)
Edition 1996-04-01

Transmission and Multiplexing (TM) - Synchronous Digital Hierarchy (SDH) - SDH leased lines - Connection characteristics
Edition 1999-08-01

Access and Terminals (AT) - 2 048 kbit/s digital structured leased lines (D2048S) - Connection characteristics
Edition 2001-11-01