4.2.62 EF_MBI (Mailbox Identifier)

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

If service n°47 is "available", this file shall be present.

This EF contains information to associate mailbox dialling numbers in EF_MBDN with a message waiting indication group type and subscriber profile (as defined in TS 23.097 [36]). A message waiting indication group type may either be Voicemail, Fax, Electronic Mail, Other or Videomail (as defined in TS 23.040 [6]).

This EF contains as many records as there are subscriber profiles (shall be record to subscriber profile). Each record contains references to mailbox dialling numbers in EF_MBDN (one reference for each message waiting indication group type).

Identifier: ‘6FC9’		Structure: linear fixed			Optional
Record length: X bytes, (X ≥ 4)			Update activity: low
Access Conditions: READ PIN UPDATE PIN/ADM (fixed during administrative management) DEACTIVATE ADM ACTIVATE ADM
Bytes	Description			M/O		Length
1	Mailbox Dialling Number Identifier – Voicemail			M		1 byte
2	Mailbox Dialling Number Identifier – Fax			M		1 byte
3	Mailbox Dialling Number Identifier – Electronic Mail			M		1 byte
4	Mailbox Dialling Number Identifier – Other			M		1byte
5	Mailbox Dialling Number Identifier – Videomail			O		1 byte

‑ Mailbox Dialling Number Identifier (message waiting group type = Voicemail, Fax, Electronic Mail, Other or Videomail).

Contents:

Identifies the mailbox dialling number to be associated with message waiting type.

Coding:
’00’ – no mailbox dialling number associated with message waiting indication group type.
‘xx’ – record number in EF_MBDN associated with message waiting indication group type.