ITU-T Recommendation E.104 Telephone network and ISDN. Operation, numbering, routing and mobile service. International telephone directory assistance service and public access

ITU-T Recommendation E.100 Telephone network and ISDN. Operation, numbering, routing and mobile service. Definitions of terms used in international telephone operation ITU-T D-series Recommendation – Supplement 3 Series D: General tariff principles. Supplement 3: Handbook on the methodology for determining costs and establishing national tariffs ITU-T D-series Recommendation – Supplement 2 Series D: General tariff principles. Charging and accounting in international telecommunications services. Method for carrying out a cost price study regional tariff groups CCITT Recommendation E.105 Telephone network and ISDN. Operation, numbering, routing and mobile service. International telephone service ITU-T Recommendation E.106 Series E: Overall network operation, telephone service, service operation and human factors. International operation – General provisions concerning Administrations. International Emergency Preference Scheme (IEPS) for disast... Рекомендация МСЭ-Т Е.106 Серия Е: Эксплуатация глобальных сетей, телефонная связь, операции по обслуживанию и факторы, связанные с человеком. Международные операции – Общие положения, касающиеся администраций. Международная схема аварийных приоритетов ...