Will SMS delivery be affected if we disable all non-GBR DRBs?

RAN
1

Hi Experts,

Will Short Message Service (SMS) message delivery be affected if we disable all non-GBR DRBs (except QCI-5 for VoLTE signaling)?

2

Hi @Anuj_Gupta

If I remember correctly SMS in most of the cases goes via NAS signaling.
GBR or non-GBR traffic it is about other interface and seems to be not connected to NAS signaling.
But you should check it.

I think idea to disable all non-GBR DRBs should not be good. Because in this case all ACK/NACKs and other signaling would goes with guarantied bitrate and may lead to overload.

But this is my assumptions.