A.1 General
23.2213GPPArchitectural requirementsRelease 17TS
This annex provides some examples on how the CSFB and IMS capable UE which supports EāUTRAN can make use of the following indications/settings prior to accessing E-UTRAN:
– "CS Voice only", "IMS PS Voice only", "prefer CS Voice with IMS PS Voice as secondary", or "prefer IMS PS Voice with CS Voice as secondary", and
– "Voice centric" or "Data centric".