The present document is one of a series of standards defining services and signalling protocols applicable to Private Integrated Services Networks (PISN). The series uses the Integrated Services Digital Network (ISDN) concepts as developed by ITU-T and conforms to the framework of standards for Open Systems Interconnection (OSI) as defined by ISO/IEC. The present document contains specifications of basic services. The previous (first) edition of the present document contained a ""stand alone"" specification of the basic services. This edition endorses an International Standard, ISO/IEC 11574 and an amendment to that International Standard, published since t
DS/EN 300171 V1.3.1:2004 history
2004DS/EN 300171 V1.3.1:2004 Private Integrated Services Network (PISN); Service description, functional capabilities and information flows; Circuit-mode 64 kbit/s bearer services