SS-EN-300972 Complete Document History
Digital cellular telecommunications system (Phase 2+) - Half rate speech - Discontinuous Transmission (DTX) for half rate speech traffic channels (GSM 06.41 version 8.0.1 Release 1999)

Complete Current Edition:
   EDITION 3 - ENGLISH LANGUAGE EDITION - Nov. 24, 2000

Obsolete Revision Information:
   EDITION 2 - ENGLISH LANGUAGE EDITION - Feb. 18, 2000
   EDITION 1 - ENGLISH LANGUAGE EDITION - June 11, 1999