4.2.106 EF_{FromPreferred} (From Preferred)

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

If service n°114 is "available", this file shall be present.

It shall be possible to define if the UE uses the From header field for the determination of the originating party identity in the OIP service. For more detailed description see 3GPP TS 24.607 [86] clause 4.5.2.12.

NOTE: If this file is present in both the USIM and the ISIM, the file in the ISIM is used. It is assumed that the presence of this file in the USIM when an ISIM is present on the UICC is an incorrect configuration of the UICC.

Identifier: ‘6FF7’		Structure: transparent			Optional
File size: n bytes.			Update activity: low
Access Conditions: READ PIN UPDATE ADM ACTIVATE ADM DEACTIVATE ADM
Bytes	Description			M/O		Length
1	Status			M		1 bytes

‑ Status.

Contents:

Status byte indication if From header field is used or not.

Coding:

b8

b7

b6

b5

b4

b3

b2

b1

See 3GPP TS 24.417 [87] clause 5.4.

RFU (see 3GPP TS 31.101 [3])