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ITU-T Recommendation E.439 Series E: Overall network operation, telephone service, service operation and human factors. Quality of service, network … Test call measurement to assess N- ISDN 64 kbit/s circuit-switched bearer service UDI in operation
Название документа
ITU-T Recommendation E.439 Series E: Overall network operation, telephone service, service operation and human factors. Quality of service, network … Test call measurement to assess N- ISDN 64 kbit/s circuit-switched bearer service UDI in operation
Номер документа
E.439
Вид документа
Принявший орган
Статус
Скрыто
Дата принятия
Скрыто
Дата начала действия
Скрыто
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