发布时间:2023-06-19 13:56:25
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Teleservices Supported by a GSM PLMN
Teleservices Supported by a GSM PLMN
Principles of Telecommunication Services Supported by a GSM PLMN
Principles of Telecommunication Services Supported by a GSM PLMN
Digital Cellular System (Phase 2+); Bearer Services (BS) Supported by a GSM Public Land Mobile Network (PLMN); (GSM 02.02)
European Digital Cellular Telecommunication System (Phase 1); Subscription to the Services of a GSM PLMN
Digital Cellular System (Phase 2+); Bearer Services (BS) Supported by a GSM Public Land Mobile Network (PLMN); (GSM 02.02)
European Digital Cellular Telecommunication System (Phase 1); Bearer Services Supported by a GSM PLMN
Vocabulary in a GSM PLMN
European Digital Cellular Telecommunication System (Phase 2); Bearer Services Supported by a GSM PLMN
Vocabulary in a GSM PLMN
Support of Teletex in a GSM PLMN
Digital Cellular Telecommunications System (Phase 2+); General on Supplementary Services; (GSM 02.04)
GSM PLMN Access Reference Configuration
Digital Cellular Telecommunications System (Phase 2+); Voice Group Call Service (VGCS) - Stage 2
Teleservices Supported by a GSM PLMN
Teleservices Supported by a GSM PLMN
Principles of Telecommunication Services Supported by a GSM PLMN
Principles of Telecommunication Services Supported by a GSM PLMN
Digital Cellular System (Phase 2+); Bearer Services (BS) Supported by a GSM Public Land Mobile Network (PLMN); (GSM 02.02)
European Digital Cellular Telecommunication System (Phase 1); Subscription to the Services of a GSM PLMN
Digital Cellular System (Phase 2+); Bearer Services (BS) Supported by a GSM Public Land Mobile Network (PLMN); (GSM 02.02)
European Digital Cellular Telecommunication System (Phase 1); Bearer Services Supported by a GSM PLMN
Vocabulary in a GSM PLMN
European Digital Cellular Telecommunication System (Phase 2); Bearer Services Supported by a GSM PLMN
Vocabulary in a GSM PLMN
Support of Teletex in a GSM PLMN
Digital Cellular Telecommunications System (Phase 2+); General on Supplementary Services; (GSM 02.04)
GSM PLMN Access Reference Configuration
Digital Cellular Telecommunications System (Phase 2+); Voice Group Call Service (VGCS) - Stage 2