Digital Cellular Telecommunications System (Phase 2+); Characterisation, Test Methods and Quality Assessment for Handsfree Mobile Stations (MSs) GSM 03.58 Version 5.0.0
英文名称:Digital Cellular Telecommunications System (Phase 2+); Characterisation, Test Methods and Quality Assessment for Handsfree Mobile Stations (MSs) GSM 03.58 Version 5.0.0