Integrated Services Digital Network (ISDN); ISDN Packet Mode Bearer Services (PMBS); ISDN Virtual Call (VC) and Permanent Virtual Call (PVC) bearer services provided by the B-channel of the user access; basic and primary rate; english version ETS 300048:1992
€41.78
Integrated Services Digital Network (ISDN); ISDN Packet Mode Bearer Services (PMBS); ISDN Virtual Call (VC) and Permanent Virtual Call (PVC) bearer services provided by the D-channel of the user access; basic and primary rate; english version ETS 300049:1992
Information systems interconnection; ISDN; provision of the OSI connection-mode transport service and the OSI connection-mode network service by using an ISDN circuit-mode 64 kbit/s unrestricted bearer service; permanent case; english version ENV 41111:1991
€84.58
Information systems interconnection; ISDN; provision of the OSI connection-mode transport service and the OSI connection-mode network service by using an ISDN circuit-mode 64 kbit/s unrestricted bearer service; demand case; english version ENV 41112:1991
Information Systems Interconnection. ISDN. Provision of OSI connection-mode transport service over the OSI connection-mode network service by using an ISDN circuit-mode 64 kbit/s unrestricted bearer service. Permanent case
€281.00
Information Systems Interconnection. ISDN. Provision of the OSI connection-mode transport service over the OSI connection-mode network service by using an ISDN circuit-mode 64 kbit/s unrestricted bearer service. Demand case
Information technology. Telecommunications and information exchange between systems. Provision of the OSI connection-mode network service by packet mode terminal equipment connected to an Integrated Services Digital Network (ISDN)
€201.00
