4.2.70 EF_MMSUP (MMS User Preferences)

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

If service n°52 is "available", this file shall be present.

This EF contains values for Multimedia Messaging Service User Preferences, which can be used by the ME for user assistance in preparation of mobile multimedia messages (e.g. default values for parameters that are often used).

Identifier: ‘6FD1’		Structure: Linear Fixed			Optional
Record Length: X bytes			Update activity: low
Access Conditions: READ PIN UPDATE PIN DEACTIVATE ADM ACTIVATE ADM
Bytes	Description			M/O		Length
1 to X	MMS User Preference TLV Objects			M		X bytes

MMS User Preference tags

Description	Tag Value
MMS Implementation Tag	’80’
MMS User preference profile name Tag	’81’
MMS User Preference information Tag	’82’

MMS User Preference information

Description	Value	M/O	Length (bytes)
MMS Implementation Tag	’80’	M	1
Length	1	M	Note
MMS Implementation information	—	M	1
MMS User preference profile name Tag	’81’	M	1
Length	X	M	Note
MMS User profile name	—	M	X
MMS User Preference information Tag	’82’	M	1
Length	Y	M	Note
MMS User Preference information	—	M	Y
Note: The length is coded according to ISO/IEC 8825-1 [35]

– MMS Implementation Tag ’80’

For contents and coding see 4.2.67

– MMS User preference profile name Tag ’81’

Contents:

Alpha tagging of the MMS user preference profile.

Coding:

this alpha‑tagging shall use either:

– the SMS default 7‑bit coded alphabet as defined in TS 23.038 [5] with bit 8 set to 0. The alpha identifier shall be left justified.

Or:

– one of the UCS2 coded options as defined in the annex of TS 31.101 [11].

– MMS User Preference information Tag ’82’

Contents:

The following information elements may be coded; Sender Visibility, Delivery Report, Read-Reply, Priority, Time of Expiry and Earliest Delivery Time.

Coding:

Depending upon the MMS implementation as indicated in Tag ’80’.

An Example for the coding of these parameters can be found in Annex J.1.