Digital Cellular Telecommunications System (Phase 2+); Signalling Requirements Relating to Routeing of Calls to Mobile Subscribers (GSM 03.04 Version 6.0.0 Release 1997)
英文名称:Digital Cellular Telecommunications System (Phase 2+); Signalling Requirements Relating to Routeing of Calls to Mobile Subscribers (GSM 03.04 Version 6.0.0 Release 1997)