This European Telecommunication Standard (ETS) gives guidance on international call routeing during the implementation of the Integrated Services Digital Network (ISDN) User Part version 2 of signalling system No. 7 (ISDN User Part (ISUP) version 2) in the European ISDN (see ETS 300 356-1 [3]). This ETS is applicable to the functions required at ISDN international gateways and international transit exchanges for routeing and network planning in order to achieve practical international interconnection of networks.
PUBLISHED
SSH ETS 300 334:1995 ed.1
60.60
Standard published
18 sht 2024