SS-EN-300141-4 | Integrated Services Digital Network (ISDN) - Call Hold (HOLD) supplementary service - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user | Document Center, Inc.

SS-EN-300141-4 › Complete Document History
Integrated Services Digital Network (ISDN) - Call Hold (HOLD) supplementary service - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user

Complete Current Edition:

EDITION 2 - ENGLISH LANGUAGE EDITION - July 28, 2000

Obsolete Revision Information:

EDITION 1 - ENGLISH LANGUAGE EDITION - July 31, 1998