3 Definitions, symbols and abbreviations

29.5503GPP5G SystemRelease 18Stage 3Steering of roaming application function servicesTS

3.1 Terms

SoR Information: In this specification, this refers to the following HPLMN information:

a) an indication of whether the SOR-AF requires the UDM to request an acknowledgement from the UE for successful reception of the Steering of Roaming information; and

b) one of the following:

– a list of preferred PLMN/access technology combinations with an indication that it is included;

– a secured packet with an indication that it is included; or

– the HPLMN indication that ‘no change of the "Operator Controlled PLMN Selector with Access Technology" list stored in the UE is needed and thus no list of preferred PLMN/access technology combinations is provided’.

NOTE: The secured packet contains the list of preferred PLMN/access technology combinations encapsulated with a security mechanism as described in 3GPP TS 31.115 [17].

3.2 Symbols

Void.

3.3 Abbreviations

For the purposes of the present document, the abbreviations given in 3GPP TR 21.905 [1] and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in 3GPP TR 21.905 [1].

JSON Javascript Object Notation

NF Network Function

SOR-AF Steering Of Roaming Application Function

SoR Steering of Roaming

SUPI Subscription Permanent Identifier

UDM Unified Data Management

UE User Equipment