ITU-T Recommendation E.671 Series E: Overall network operation, telephone service, service operation and human factors. Quality of service… Post-selection delay in PSTN/ISDN networks using Internet telephony for a portion of the connection

ITU-T Recommendation E.651 Series E: Overall network operation, telephone service, service operation and human factors. Quality of service, network management and traffic engineering… Reference connections for traffic engineering of IP access networks ITU-T Recommendation E.600 Telephone network and ISDN. Quality of service, network management and traffic engineering. Terms and definitions of traffic engineering ITU-T Recommendation E.550 Telephone network and ISDN. Quality of service, network management and traffic engineering. Grade-of-service and new performance criteria under failure conditions in international telephone exchanges ITU-T Recommendation E.681 Series E: Overall network operation, telephone service, service operation and human factors… Traffic engineering for IP- networks. Traffic engineering methods for IP access networks based on hybrid fiber/coax system CCITT Recommendation E.700 Telephone network and ISDN. Quality of service, network management and traffic engineering. Framework of the E.700-series recommendations CCITT Recommendation E.701 Telephone network and ISDN. Quality of service, network management and traffic engineering. Reference connections for traffic engineering