SS-ETS-300097-1-AM1 › Complete Document History
Integrated Services Digital Network (ISDN) - Connected Line Identification Presentation (COLP) supplementary service - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 1: Protocol specification. Amendment 1
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ED. 1 AMENDMENT 1 - ENGLISH LANGUAGE EDITION - Dec. 9, 1994
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