TS 122 279-2012

Universal Mobile Telecommunications System (UMTS); LTE; Combined Circuit Switched (CS) and IP Multimedia Subsystem (IMS) sessions; Stage 1 (V11.0.0; 3GPP TS 22.279 version 11.0.0 Release 11)


 

 

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标准号
TS 122 279-2012
发布日期
2012年10月01日
实施日期
2014年10月27日
废止日期
中国标准分类号
/
国际标准分类号
/
发布单位
ETSI - European Telecommunications Standards Institute
引用标准
16
适用范围
The present document specifies service requirements for Combining CS and IMS services using a CS speech or CS multimedia call in association with an IMS session. The IMS session may consist of one or more IMS services. Requirements for the following capabilities are included: - Radio capability exchange. - Terminal capability exchange. - E.164 number exchange. - Adding IMS session to an ongoing CS call. - Adding a CS call to an ongoing IMS session. - Supplementary services as they relate to CSICS. It is intended that the capabilities defined herein for CSICS shall support interoperability between different operator networks@ and roaming.




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