Q.733.3 AMD 1 SPANISH-2001 Stage 3 description for call completion supplementary services using Signalling System No. 7: Completion of calls to busy subscriber (CCBS) Amendment 1
Descripción de la etapa 3 para los servicios suplementarios de compleción de llamada que utilizan el sistema de se?alización N.? 7: Compleción de llamadas a abonados ocupados Enmienda 1
Stage 3 description for call completion supplementary services using Signalling System No. 7: Completion of calls to busy subscriber (CCBS) Amendment 1 是非强制性国家标准,您可以免费下载前三页