SS-EN-300356-18 | Integrated Services Digital Network (ISDN) - Signalling System No. 7 (SS7) - ISDN User Part (ISUP) version 4 for the international interface - Part 18: Completion of Calls to Busy Subscriber (CCBS) supplementary service [ITU-T Recommendation Q.733, clause 3 (1997) modified] | Document Center, Inc.

SS-EN-300356-18 › Complete Document History
Integrated Services Digital Network (ISDN) - Signalling System No. 7 (SS7) - ISDN User Part (ISUP) version 4 for the international interface - Part 18: Completion of Calls to Busy Subscriber (CCBS) supplementary service [ITU-T Recommendation Q.733, clause 3 (1997) modified]

Complete Current Edition:

EDITION 2 - ENGLISH LANGUAGE EDITION - July 27, 2001

Obsolete Revision Information:

EDITION 1 - ENGLISH LANGUAGE EDITION - Sept. 11, 1998