SS-ETS-300210-4 › Complete Document History
Integrated Services Digital Network (ISDN) - Freephone (FPH) supplementary services - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing(PIXI
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EDITION 1 - ENGLISH LANGUAGE EDITION - June 26, 1998
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