ITU-T Rec. I.530 (11/1988) – Network interworking between an ISDN and a public switched telephone network (PSTN)
1 General
2 Scope
3 Abbreviations
4 Interworking configuration and network characteristics
5 ISDN bearer services suitable for ISDN-PSTN interworking
6 Connection type suitable for ISDN-PSTN interworking
7 Functional requirements for ISDN-PSTN interworking
8 References