3gpp r16 voiceFallbackIndicationEPS-r16

5G NR
,
1

Hello Experts?

What is new IE voiceFallbackIndicationEPS-r16, its advantages and issues?

 ims-Parameters 
  {
    ims-ParametersCommon 
    {
      voiceFallbackIndicationEPS-r16 supported
    }
  },