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Content for  TS 31.102  Word version:  18.5.0

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4.3 DFs at the USIM ADF (Application DF) Level  4.4 Contents of DFs at the USIM ADF (Application DF) level  4.4.1 Contents of files at the DF SoLSA level  4.4.1.1 EFSAI (SoLSA Access Indicator)  4.4.1.2 EFSLL (SoLSA LSA List)  4.4.1.3 LSA Descriptor files 
...

 

4.3  DFs at the USIM ADF (Application DF) Level  p. 132

DFs may be present as child directories of USIM ADF. The following DFs are defined:
DFPHONEBOOK'5F3A' (see Note 2)
DFGSM-ACCESS'5F3B'
DFMExE'5F3C'
DFWLAN'5F40'
DFHNB'5F50'
DFSoLSA'5F70'
DFBCAST'5F80' (see Note 1)
DFProSe'5F90'
DFACDC'5FA0'
DFTV'5FB0'
DF5GS'5FC0'
DFSAIP'5FD0' (see Note 3)
DFSNPN'5FE0'
DF5G_ProSe'5FF0'
DF5MBSUECONFIG'5FF1'
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4.4  Contents of DFs at the USIM ADF (Application DF) level  p. 133

4.4.1  Contents of files at the DF SoLSA level  p. 133

This only applies if the Support of Localised Service Areas is supported, as indicated by Service No. 23 in the USIM Service Table and specified in TS 43.073 .
The EFs contain information about the users subscribed local service areas.

4.4.1.1  EFSAI (SoLSA Access Indicator)  p. 133

This EF contains the 'LSA only access indicator'. This EF shall always be allocated if DFSoLSA is present.
If the indicator is set, the network will prevent terminated and/or originated calls when the MS is camped in cells that are not included in the list of allowed LSAs in EFSLL. Emergency calls are, however, always allowed.
The EF also contains a text string which may be displayed when the MS is out of the served area(s).
Identifier: '4F30'Structure: transparentOptional
File size: X + 1 bytesUpdate activity: low
Access Conditions:
READPIN
UPDATEADM
DEACTIVATEADM
ACTIVATEADM
Bytes Description M/O Length
1LSA only access indicatorM1 byte
2 to X+1LSA only access indication textMX bytes
LSA only access indicator
Contents:
indicates whether the MS is restricted to use LSA cells only or not.
Coding:
b8 b7 b6 b5 b4 b3 b2 b1
RFU b1=0:
LSA only access not activated
b1=1:
LSA only access activated
 
LSA only access indication text
Contents:
text to be displayed by the ME when it's out of LSA area.
Coding:
the string shall use
either:
  • the SMS default 7-bit coded alphabet as defined in TS 23.038 with bit 8 set to 0. The alpha identifier shall be left justified. Unused bytes shall be set to 'FF'.
or
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4.4.1.2  EFSLL (SoLSA LSA List)  p. 133

This EF contains information describing the LSAs that the user is subscribed to. This EF shall always be allocated if DFSoLSA is present.
Each LSA is described by one record that is linked to a LSA Descriptor file. Each record contains information of the PLMN, priority of the LSA, information about the subscription and may also contain a text string and/or an icon that identifies the LSA to the user. The text string can be edited by the user.
Identifier: '4F31'Structure: linear fixedOptional
Record length: X + 10 bytesUpdate activity: low
Access Conditions:
READPIN
UPDATEPIN
DEACTIVATEADM
ACTIVATEADM
Bytes Description M/O Length
1 to XLSA nameOX bytes
X+1Configuration parametersM1 byte
X+2RFUM1 byte
X+3Icon IdentifierM1 byte
X+4PriorityM1 byte
X+5 to X+7PLMN codeM3 bytes
X+8 to X+9LSA Descriptor File IdentifierM2 bytes
X+10LSA Descriptor Record IdentifierM1 byte
LSA name
Contents:
LSA name string to be displayed when the ME is camped in the corresponding area, dependant on the contents of the LSA indication for idle mode field.
Coding:
the string shall use
either:
  • the SMS default 7-bit coded alphabet as defined in TS 23.038 with bit 8 set to 0. The alpha identifier shall be left justified. Unused bytes shall be set to 'FF'.
or
Configuration parameters
Contents:
Icon qualifier, control of idle mode support and control of LSA indication for idle mode.
Coding:
b8 b7 b6 b5 b4 b3 b2 b1
RFU LSA indication for idle mode Idle mode support Icon qualifier
Icon qualifier
Contents:
The icon qualifier indicates to the ME how the icon is to be used.
b2, b1:
00:
icon is not to be used and may not be present
01:
icon is self-explanatory, i.e. if displayed, it replaces the LSA name
10:
icon is not self-explanatory, i.e. if displayed, it shall be displayed together with the LSA name
11:
RFU
Idle mode support
Contents:
The idle mode support is used to indicate whether the ME shall favour camping on the LSA cells in idle mode.
b3 = 0:
Idle mode support disabled
b3 = 1:
Idle mode support enabled
LSA indication for idle mode
Contents:
The LSA indication for idle mode is used to indicate whether or not the ME shall display the LSA name when the ME is camped on a cell within the LSA.
b4 = 0:
LSA indication for idle mode disabled
b4 = 1:
LSA indication for idle mode enabled
Bits b5 to b8 are RFU (see clause 9.3).
Icon Identifier
Contents:
The icon identifier addresses a record in EFIMG.
Coding:
binary.
Priority
Contents:
Priority of the LSA which gives the ME the preference of this LSA relative to the other LSAs.
Coding:
b8 b7 b6 b5 b4 b3 b2 b1
RFU Priority
'0' is lowest priority, 'F' is highest.
PLMN code
Contents:
MCC + MNC for the LSA.
Coding:
according to TS 24.008 and EFLOCI.
LSA Descriptor File Identifier
Contents:
these bytes identify the EF which contains the LSA Descriptors forming the LSA.
Coding:
byte X+8: high byte of the LSA Descriptor file;
byte X+9: low byte of the LSA Descriptor file.
LSA Descriptor Record Identifier
Contents:
this byte identifies the number of the first record in the LSA Descriptor file forming the LSA.
Coding:
binary.
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4.4.1.3  LSA Descriptor files  p. 136

Residing under DFSoLSA, there may be several LSA Descriptor files. These EFs contains one or more records again containing LSA Descriptors forming the LSAs. LSAs can be described in four different ways. As a list of LSA Ids, as a list of LAC + Cis, as a list of Cis or as a list of LACs. As the basic elements (LSA ID, LAC + CI, CI and LAC) of the four types of lists are of different length, they can not be mixed within one record. Different records may contain different kinds of lists within the EFs. Examples of codings of LSA Descriptor files can be found in Annex F.
Identifier: '4FXX'Structure: linear fixedOptional
Record length: n*X+2 bytesUpdate activity: low
Access Conditions:
READPIN
UPDATEADM
DEACTIVATEADM
ACTIVATEADM
Bytes Description M/O Length
1LSA descriptor type and numberM1 byte
2 to X+11st LSA DescriptorMX bytes
X+2 to 2X+12nd LSA DescriptorMX bytes
…
(n-1)*X+2 to n*X+1nth LSA DescriptorMX bytes
n*X+2Record IdentifierM1 byte
LSA descriptor type and number
Contents:
The LSA descriptor type gives the format of the LSA descriptor and the number of valid LSA Descriptors within the record.
Coding:
b8 b7 b6 b5 b4 b3 b2 b1
Number of LSA Descriptors LSA descriptor type
 
LSA descriptor type:
Contents:
Gives the format of the LSA Descriptors.
b2, b1:
00: LSA ID.
01: LAC + CI
10: CI
11: LAC
Number of LSA Descriptors:
Contents:
Gives the number of valid LSA Descriptors in the record.
Coding:
binary, with b8 as MSB and b3 as LSB leaving room for 64 LSA Descriptors per record.
LSA Descriptor
Contents:
Dependent of the coding indicated in the LSA descriptor type:
  • in case of LSA ID the field length 'X' is 3 bytes;
  • in case of LAC + CI the field length 'X' is 4 bytes;
  • in case of CI the field length 'X' is 2 bytes;
  • in case of LAC the field length 'X' is 2 bytes.
Coding:
according to TS 24.008.
Record Identifier
Contents:
This byte identifies the number of the next record containing the LSA Descriptors forming the LSA.
Coding:
record number of next record. 'FF' identifies the end of the chain.
 
This file utilises the concept of chaining as for EFEXT1.
The identifier '4FXX' shall be different from one LSA Descriptor file to the other and different from the identifiers of EFSAI and EFSLL. For the range of 'XX', see TS 31.101.
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