Is one of a series of standards defining services and signalling protocols applicable to Private Services Networks (PISN). The Series uses ISDN concepts as developed by ITU-T and conforms to the framework of Standards for Open Systems Interconnections as defined by ISO/IEC. Specifies the Call transfer supplementary service.
Текущий статус : WithdrawnДата публикации : 1995-11
Версия : 1
Технический комитет:Telecommunications and information exchange between systems