ITU-T R.121 PDF

Published Date: 03/01/2004

Called user release control within H.323 systems SERIES H: AUDIOVISUAL AND MULTIMEDIA SYSTEMS Infrastructure of audiovisual services – Supplementary services for multimedia

Published Date: 10/01/2003

Frame Relay network availability SERIES X: DATA NETWORKS AND OPEN SYSTEM COMMUNICATIONS Public data networks – Network aspects

Published Date: 07/03/2002

Coding of Speech at 8 Kbit/s Using Conjugate-Structure Algebraic-Code-Excited Linear-Prediction (CS-ACELP) - Annex B: A Silence Compression Scheme for G.729 Optimized for Terminals Conforming to Recommendation V.70.

Published Date: 11/01/1988

Logic procedures for interworking of signalling system No. 7 (TUP) to No. 6

Published Date: 07/20/2000

Published Date: 01/01/2025

Published Date: 07/27/2017

Published Date: 11/05/2004

Published Date: 06/23/2016

Published Date: 12/10/2018