Private Telecommunication Network (PTN) - Inter-exchange signalling protocol - Supplementary service interactions; English version ETS 300427:1995
€116.64
Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Name identification supplementary services [ISO/IEC 13868 (1995), modified]; English version ETS 300238:1995
€34.30
Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Generic functional protocol for the support of supplementary services [ISO/IEC 11582 (1995), modified]; English version ETS 300239:1995
Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Diversion supplementary services [ISO/IEC 13873 (1995), modified]; English version ETS 300257:1995
Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Path replacement additional network feature [ISO/IEC 11874 (1995), modified]; English version ETS 300259:1995
Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Call transfer supplementary service [ISO/IEC 11869 (1995), modified]; English version ETS 300261:1995
Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Call completion supplementary services [ISO/IEC 13870 (1995), modified]; English version ETS 300366:1995
Public Switched Telephone Network (PSTN) - Testing specification for analogue handset telephony; English version I-ETS 300480:1996
€77.20
Attachments to the Public Switched Telephone Network (PSTN); category II attachment requirements for 300 bits per second duplex modems standardized for use on the PSTN; english version ETS 300115:1991
Private Telecommunication Network (PTN); specification, functional models and information flows; control aspects of circuit mode basic services; English version ETS 300171:1992
€98.32
Private Telecommunication Network (PTN); specification, functional models and information flows; identification supplementary services; English version ETS 300173:1992
Private Telecommunication Network (PTN); addressing; English version ETS 300189:1992
Private Telecommunication Network (PTN); specification, functional models and information flows; name identification supplementary services; English version ETS 300237:1993
Private Telecommunication Network (PTN); specification, functional models and information flows; diversion supplementary services; English version ETS 300256:1993
Private Telecommunication Network (PTN); specification, functional models and information flows; path replacement additional network feature; English version ETS 300258:1993