ETSI EN 300 972 : Digital Cellular Telecommunications System (Phase 2+); Half Rate Speech; Discontinuous Transmission (DTX) for Half Rate Speech Traffic Channels - GSM 06.41 Version 6.0.1 Release 1997

سازمان: ETSI - European Telecommunications Standards Institute

سال: 1999

زبان: English

قیمت: 55000 تومان