ITU-T Q.115 FRENCH-1999 PDF

Scope: The propagation delay in telecommunication networks affects both computer communication protocols and audiovisual communication between humans. The most noted effect is the echo problem for telephony which depends heavily on the propagation delay of the connection.

ITU-T Q.115 FRENCH-1999 Referenced Document

ITU-T E.220-1992 Interconnection of Public Land Mobile Networks (PLMN) (Study Group II) 8 pp
ITU-T G.164-1988 Echo Suppressors - General Characteristics of International Telephone Connections and Circuits (Study Groups XII and XV) 36 pp
ITU-T G.165-1993 Echo Cancellers Study Group XV; 31 PP
ITU-T G.168-1997 Digital Network Echo Cancellers (Study Group 15)
ITU-T G.173-1993 Transmission Planning Aspects of the Speech Service in Digital Public Land Mobile Networks Transmission Systems and Media - Transmission Plan Aspects of Special Circuits and Connections Using the International Telephone Connection Network (SGrp XII) 21 pp
ITU-T I.230-1988 Definition of Bearer Service Categories
ITU-T Q.112-1988 SIGNAL LEVELS AND SIGNAL RECEIVER SENSITIVITY
ITU-T Q.271-1988 1.1 General - Specifications of Signalling System No. 6 (Study Group XI) 3 pp
ITU-T Q.2764-1995 Broadband Integrated Services Digital Network (B-ISDN) - Signalling System No. 7 B-ISDN User Part (B-ISUP) - Basic Call Procedures - B-ISDN Application Protocols of the Network (Study Group 11) 142 pp
ITU-T Q.724-1988 Signalling Procedures
ITU-T Q.764-1993 Signalling System No. 7 - ISDN User Part Signalling Procedures - Specifications of Signalling System No. 7 (Study Group XI) 91 pp
ITU-T Z.100-1993 CCITT Specification and Description Language (SDL) - Programming Languages (Study Group X) 244 pp

1999 ITU-T Q.115 FRENCH-1999 Logic for the Control of Echo Control Devices Series Q: Switching and Signalling Clauses Applicable to ITU-T Standard Systems - Control of Echo Suppressors Study Group 11