SS-ETS-300185-1-AM1 | Integrated Services Digital Network (ISDN) - Conference call, add-on (CONF) supplementary service - Digital Subscriber Signalling System No. one(DSS1) protocol - Part 1: Protocol specification.Amendment 1 | Document Center, Inc.

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Integrated Services Digital Network (ISDN) - Conference call, add-on (CONF) supplementary service - Digital Subscriber Signalling System No. one(DSS1) protocol - Part 1: Protocol specification.Amendment 1

Obsolete Revision Information:

ED. 1 AMENDMENT 1 - ENGLISH LANGUAGE EDITION - Jan. 19, 1996