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
€34.30
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
Private Telecommunication Network (PTN) - Specification, functional model and information flows - Call intrusion supplementary service; English version ETS 300425:1995
€173.74
Private Telecommunication Network (PTN) - Inter-exchange signalling protocol - Call intrusion supplementary service; English version ETS 300426:1995
€145.14
Private Telecommunication Network (PTN) - Inter-exchange signalling protocol - Supplementary service interactions; English version ETS 300427:1995
€116.64
Private Telecommunication Network (PTN) - Specification, functional model and information flows - Call completion supplementary services; English version ETS 300365:1994
€157.10
Private Telecommunication Network (PTN) - Specification, functional model and information flows - Call offer supplementary service; English version ETS 300361:1994
Private Telecommunication Network (PTN) - Inter-exchange signalling protocol - Call offer supplementary service; English version ETS 300362:1994
€91.03
Private Telecommunication Network (PTN) - Specification, functional model and information flows - Do not disturb and do not disturb override supplementary services; English version ETS 300363:1994
Private Telecommunication Network (PTN) - Inter-exchange signalling protocol - Do not disturb and do not disturb override supplementary services; English version ETS 300364:1994
Private Telecommunication Network (PTN); specification, functional models and information flows; diversion supplementary services; English version ETS 300256:1993
€98.32
