4.2.50 EF_CNL (Co-operative Network List)

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

If service n° 37 is "available", this file shall be present.

This EF contains the Co-operative Network List for the multiple network personalization services defined in TS 22.022 [27].

Identifier: ‘6F32’		Structure: transparent			Optional
File size: 6n bytes, (n ≥ 1)			Update activity: low
Access Conditions: READ PIN UPDATE ADM DEACTIVATE ADM ACTIVATE ADM
Bytes	Description			M/O		Length
1 to 6	Element 1 of co-operative net list			M		6 bytes
:	:			:		:
6n‑5 to 6n	Element n of co-operative net list			O		6 bytes

‑ Co-operative Network List.

Contents:

– PLMN network subset, service provider ID and corporate ID of co-operative networks.

Coding:

– For each 6 byte list element.

Bytes 1 to 3: PLMN (MCC + MNC): according to TS 24.008 [9].

Byte 4:

b8

b7

b6

b5

b4

b3

b2

b1

LS bit of network subset digit 1

:

:

MS bit of network subset digit 1

LS bit of network subset digit 2

:

:

MS bit of network subset digit 2

Byte 5:

b8

b7

b6

b5

b4

b3

b2

b1

LS bit of service provider digit 1

:

:

MS bit of service provider digit 1

LS bit of service provider digit 2

:

:

MS bit of service provider digit 2

Byte 6:

b8

b7

b6

b5

b4

b3

b2

b1

LS bit of corporate digit 1

:

:

MS bit of corporate digit 1

LS bit of corporate digit 2

:

:

MS bit of corporate digit 2

– Empty fields shall be coded with ‘FF’.

– The end of the list is delimited by the first MCC field coded ‘FFF’.