ITU-T Q.115 SPANISH-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
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 SPANISH-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.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 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.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
ITU-T Q.115 SPANISH-1999 history
1999ITU-T Q.115 SPANISH-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