CCITT Recommendation E.820 Telephone network and ISDN. Quality of service, network management and traffic engineering. Call models for serveability and service integrity performance

CCITT Recommendation E.810 Telephone network and ISDN. Quality of service, network management and traffic engineering. Framework of the recommendations on the serveability performance and service integrity for telecommunication services ITU-T Recommendation E.802 Series E: Overall network operation, telephone service, service operation and human factors. Quality of telecommunication services: concepts… Framework and methodologies for the determination and application of QoS parameters ITU-T Recommendation E.801 Series E: Telephone network and ISDN. Quality of service, network management and traffic engineering - Quality of telecommunication services: concepts, models, objectives and … Framework for service quality agreement CCITT Recommendation E.830 Telephone network and ISDN. Quality of service, network management and traffic engineering. Models for the specification, evaluation and allocation of serveability and service integrity ITU-T Recommendation E.845 Telephone network and ISDN. Quality of service, network management and traffic engineering. Connection accessibility objective for the international telephone service ITU-T Recommendation E.846 Telephone network and ISDN. Quality of service, network management and traffic engineering. Accessibility for 64 kbit/s circuit switched international end-to-end ISDN connection types