Standardised SST (Service Slice Type) values
Standardized SST values provide a way for establishing global interoperability for slicing so that PLMNs can support the roaming use case more efficiently for the most commonly used Slice/Service Types.
The SSTs which are standardised are in the following Table 5.15.2.2-1. (Ref 3GPP TS 23 501 Rel 17 June 2021)