ITU-T Recommendation E.220 Telephone network and ISDN. Operation, numbering, routing and mobile service. Interconnection of public land mobile networks (PLMN)

ITU-T Recommendation E.218 Series E: Overall network operation, telephone service, service operation and human factors… Maritime mobile service and public land mobile service. Management of the allocation of terrestrial trunk radio Mobile Country Codes ITU-T Recommendation E.217 Series E: Overall network operation, telephone service, service operation and human factors. International operation - Maritime mobile service and public land mobile service. Maritime communications – Ship station identity Рекомендация МСЭ-Т Е.214 Серия Е: Общая эксплуатация сети, телефонная служба, функционирование служб и человеческие факторы… Структура сухопутного подвижного глобального названия для подсистемы управления соединением сигнализации (SCCP) CCITT Recommendation E.230 Telephone network and ISDN. Operation, numbering, routing and mobile service. Chargeable duration of calls ITU-T Recommendation E.232 Telephone network and ISDN. Operation, numbering, routing and mobile service. Charging for calls to subscriber’s station connected either to the absent subscriber’s service or to a device substituting a subscriber in his absence ITU-T Recommendation E.260 Telephone network and ISDN. Operation, numbering, routing and mobile service. Basic technical problems concerning the measurement and recording of call durations