ITU-T-X.80 Interworking of Interexchange Signalling Systems for Circuitswitched Data Services

ITU-T-X.80 - 1988 EDITION - CURRENT



Interworking of Interexchange Signalling Systems for Circuitswitched Data Services


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Document Number

ITU-T-X.80

Revision Level

1988 EDITION

Status

Current

Publication Date

Nov. 1, 1988