SS-ETS-300185 › Complete Document History
Integrated Services Digital Network (ISDN) - Conference call, add-on (CONF) supplementary service -Digital Subscriber Signalling System No. one (DSS1) protocol


Obsolete Revision Information:
   ED. 1 CORRIGENDUM 2 - ENGLISH LANGUAGE EDITION - May 20, 1994
   ED. 1 CORRIGENDUM 1 - ENGLISH LANGUAGE EDITION - Sept. 30, 1993
   EDITION 1 - ENGLISH LANGUAGE EDITION - May 28, 1993