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About This Item
Full Description
The present document does not specify the additional protocol requirements where the service is provided to the user via a telecommunications network that is not an ISDN.
The present document does not specify the additional protocol requirements for the national signalling interface.
Although the present document applies only to the international interconnection, the specification of functions, formats and codes of messages and signals, and actions performed at originating and destination local exchanges are retained.
Formats, codes and procedures marked for national use are included for informative purposes for the international interface specification. If these items so marked are supported within a national network and operator's network, then it is proposed that they shall be supported in this manner.
Items in the present document marked "Not Required" are not required to be supported.
NOTE: In the case where a national signalling system behaves differently, the international gateway exchange is to support both the concerned national and international network.
Document History
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ETSI EN 300 356-2
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Integrated Services Digital Network (ISDN); Signalling System No. 7 (SS7); ISDN User Part (ISUP) version 4 for the international interface; Part 2: ISDN supplementary service [ITU-T Recommendation Q.730 (1999) modified]- Most Recent
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ETSI EN 300 356-2
Final draft Version 4.2.1Integrated Services Digital Network (ISDN); Signalling System No. 7 (SS7); ISDN User Part (ISUP) version 4 for the international interface; Part 2: ISDN supplementary service [ITU-T Recommendation Q.730 (1999) modified]- Historical Version
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ETSI EN 300 356-2
Integrated Services Digital Network (ISDN); Signalling System No.7 (SS7); ISDN User Part (ISUP) version 4 for the international interface; Part 2: ISDN supplementary service [ITU-T Recommendation Q.730 (1999) modified]- Historical Version
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ETSI EN 300 356-2
Integrated Services Digital Network (ISDN); Signalling System No.7; ISDN User Part (ISUP) version 3 for the international interface; Part 2: ISDN supplementary services [ITU-T Recommendation Q.730 (1997), modified]- Historical Version