Digital Cellular Telecommunications System (Phase 2+); Voice Group Call Service (VGSC); Stage 2 3GPP TS 03.68 version 8.4.0 Release 1998; Includes Diskette
英文名称:Digital Cellular Telecommunications System (Phase 2+); Voice Group Call Service (VGSC); Stage 2 3GPP TS 03.68 version 8.4.0 Release 1998; Includes Diskette