有价值的资料

• RCS演化
  • 美国的5G和LTE和RCS演化概览
    • https://www.5gamericas.org/wp-content/uploads/2019/07/VoLTE_RCS_TECHNOLOGY_ECO-SYSTEM_AND_EVOLUTION_Final_for_upload.pdf
• RCS概览
  • GSMA RCS Blackbird Overview | NETMANIAS
    • https://www.netmanias.com/en/post/techdocs/8102/lte-rcs/gsma-rcs-blackbird-overview
• IMS架构
  • Network Framework of IMS YUAN ZHANG China Telecom Beijing Research Institute
    • https://www.itu.int/en/ITU-D/Regional-Presence/AsiaPacific/SiteAssets/Pages/Events/2016/Oct-CandI2016/CAICT2016/Session%203-2%20Framework%20of%20IMS%E5%BC%A0%E5%9B%AD.pdf
  • IMS An Architecture for Convergent Next Generation Multimedia services
    • https://www.iaria.org/conferences2007/filesICSNC07/IMSConvergentMultimediaServices.ppt
• IMS初始化过程
  • IMS Identification and numbering
    • http://www.leliwa.com/downloads/ims_identification_and_numbering.pdf

3GPP协议规范下载

3GPP协议下载入口：

• Directory Listing /ftp/Specs/archive/22_series/
  • Directory Listing /ftp/Specs/archive/22_series/22.340/
    • TS 2.340 = IMS spec
      • https://www.3gpp.org/ftp/Specs/archive/22_series/22.340/22340-g00.zip