X.321 : General arrangements for interworking between Circuit Switched Public Data Networks (CSPDNs) and integrated service digital networks (ISDNs) for the provision of data transmission services

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X.321 : General arrangements for interworking between Circuit Switched Public Data Networks (CSPDNs) and integrated service digital networks (ISDNs) for the provision of data transmission services

Recommendation X.321/I.540 (11/88)

Approved in 1988-11-25

Status : Superseded

	Table of Contents
This Recommendation is also included but not published in I series under alias number I.540

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