ITU-T G.164-1993 PDF

Scope: This Recommendation is applicable to the design of echo suppressors used on international telephone connections which have mean one-way propagation times between subscribers of up to the maximum regarded as acceptable in Recommendation G.114. (The design of the echo suppressor should not impose any lower limit of delay on its use

ITU-T G.164-1993 Referenced Document

ITU-T G.114 One-way transmission time Study Group 12*， 2003-05-01 Update
ITU-T G.122 Influence of National Systems on Stability and Talker Echo in International Connections Study Group 12*， 1993-03-01 Update
ITU-T G.161 Interaction aspects of signal processing network equipment (Study Group 16)*， 2012-06-01 Update
ITU-T G.162 Characteristics of Compandors for Telephony - General Characteristics of International Telephone Connections and Circuits (Study Groups XII and XV) 8 pp
ITU-T G.164 ECHO SUPPRESSORS
ITU-T G.165 Echo Cancellers Study Group XV; 31 PP
ITU-T G.712 Transmission performance characteristics of pulse code modulation channels = SERIES G: TRANSMISSION SYSTEMS AND MEDIA DIGITAL SYSTEMS AND NETWORKS - Digital terminal equipments - Coding of analogue signals by pulse code modulation*， 2024-04-19 Update
ITU-T G.733 CHARACTERISTICS OF PRIMARY PCM MULTIPLEX EQUIPMENT OPERATING AT 1544 kbit/s
ITU-T V.21 300 BITS PER SECOND DUPLEX MODEM STANDARDIZED FOR USE IN THE GENERAL SWITCHED TELEPHONE NETWORK

1993 ITU-T G.164-1993 ECHO SUPPRESSORS
1988 ITU-T G.164-1988 Echo Suppressors - General Characteristics of International Telephone Connections and Circuits (Study Groups XII and XV) 36 pp