ITU-T Recommendation E.721 Series E: Overall network operation, telephone service, service operation and human factors. Quality of service… Network grade of service parameters and target values for circuit-switched services in the evolving ISDN

ITU-T Recommendation E.720 Telephone network and ISDN. Quality of service, network management and traffic engineering. ISDN grade of service concept ITU-T Recommendation E.716 Series E: Telephone network and ISDN. Quality of service, network management and traffic engineering - Traffic engineering – ISDN traffic engineering. User demand modelling in Broadband-ISDN CCITT Recommendation E.713 Telephone network and ISDN. Quality of service, network management and traffic engineering. Control plane traffic modelling CCITT Recommendation E.723 Telephone network and ISDN. Quality of service, network management and traffic engineering. Grade-of-service parameters for signalling system No.7 networks ITU-T Recommendation E.724 Telephone network and ISDN. Quality of service, network management and traffic engineering. GOS parameters and target. GOS objectives for in services ITU-T Recommendation E.726 Series E: Overall network operation, telephone service, service operation and human factors. Quality of service, network management and traffic engineering… Network grade of service parameters and target values for B-ISDN