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ETSI TS 122 173-2020 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Universal Mobile Telecommunications System (Umts); Lte; Ip Multimedia Core Network Subsystem (Ims) Multimedia Telephony Service And Supplementary Services; Stage 1 (3Gpp Ts ETSI TS 122 173-2020 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Universal Mobile Telecommunications System (Umts); Lte; Ip Multimedia Core Network Subsystem (Ims) Multimedia Telephony Service And Supplementary Services; Stage 1 (3Gpp Ts

ETSI TS 122 173-2020 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Universal Mobile Telecommunications System (Umts); Lte; Ip Multimedia Core Network Subsystem (Ims) Multimedia Telephony Service And Supplementary Services; Stage 1 (3Gpp Ts

  • 標準類別：
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  • 標準編號：ETSI TS 122 173-2020
  • 標準狀態(tài)：現(xiàn)行
  • 更新時間：2023-05-14
  • 下載次數(shù)：次
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