ITU-T Recommendation E.110 Telephone network and ISDN. Operation, numbering, routing and mobile service. Organization of the international telephone network

ITU-T Recommendation E.109 Telephone network and ISDN. Operation, numbering, routing and mobile service. International billed number screening procedures for collect and third-party calling ITU-T Recommendation E.107 Series E: Overall network operation, telephone service, service operation and human factors. International operation – General provisions concerning Administrations. Emergency Telecommunications Service (ETS) and interconnect... 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 ... ITU-T Recommendation E.111 Telephone network and ISDN. Operation, numbering, routing and mobile service. Extension of international telephone services ITU-T Recommendation E.112 Telephone network and ISDN. Operation, numbering, routing and mobile service. Arrangements to be made for controlling the telephone services between two countries ITU-T Recommendation E.113 Series E: Overall network operation, telephone service, service operation and human factors. Operation, numbering, routing and mobile services - International operation – General provisions concerning Administrations. Valida...