4.2.12 EF_SPN (Service Provider Name)

31.1023GPPCharacteristics of the Universal Subscriber Identity Module (USIM) applicationRelease 17TS

If service n° 19 is "available", this file shall be present.

This EF contains the service provider name in text format and appropriate requirements for the display by the ME. The service provider name may also be provided in a graphical format in EF_SPNI. The ME shall use the service provider name in the text format or the graphical format or both to display the service provider name according to the rules defined in clause 4.2.88.

Identifier: ‘6F46’		Structure: transparent			Optional
File Size: 17 bytes			Update activity: low
Access Conditions: READ ALWAYS UPDATE ADM DEACTIVATE ADM ACTIVATE ADM
Bytes	Description			M/O		Length
1	Display Condition			M		1 byte
2 to 17	Service Provider Name			M		16 bytes

‑ Display Condition

Contents: display condition for the service provider name in respect to the registered PLMN (see TS 22.101 [24]).

Coding:

b8

b7

b6

b5

b4

b3

b2

b1

b1=0: display of registered PLMN name not required when registered PLMN is either HPLMN or a PLMN in the service provider PLMN list (see EFSPDI). B1=1: display of registered PLMN name required when registered PLMN is either HPLMN or a PLMN in the service provider PLMN list(see EFSPDI).

B2=0: display of the service provider name is required when registered PLMN is neither HPLMN nor a PLMN in the service provider PLMN list(see EFSPDI). B2=1: display of the service provider name is not required when registered PLMN is neither HPLMN nor a PLMN in the service provider PLMN list(see EFSPDI).

RFU (see TS 31.101)

‑ Service Provider Name

Contents:

service provider string

Coding:

the string shall use:

– either the SMS default 7‑bit coded alphabet as defined in TS 23.038 [5] with bit 8 set to 0. The string shall be left justified. Unused bytes shall be set to ‘FF’.

– or one of the UCS2 code options defined in the annex of TS 31.101 [11].