TSG-T Working Group 3 (USIM) meeting #4	TSGT3#4(99)-125
Tokyo 21st – 23rd April 1999	
Agenda Item:	9
Source: 	Rapporteur of USIM characteristics (Nippon Ericsson)
Title:	Draft Work Item on USIM characteristics 
Document for:	Approval
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Work item on USIM characteristics
 
1	Justification and scope

This work item creates specifications for USIM on UICC.

The document defines commands, file structure, content of EFs (Elementary Files) and application protocol for the USIM to be used on the interface between UICC (USIM) and terminal.

2	3GPP Work Area 
TSG-T 
	WG1: Conformance	
	WG2: MS capability	
X	WG3: USIM	

2	Linked work items
•	UICC and USIM requirements 
•	UICC physical and logical characteristics 

2	Service Aspects
None 

3	MMI-Aspects
None
4	Charging Aspects
None

5	Security Aspects

Security requirements from TSG-SA WG3 have to be taken into account.

6	Impacts 
 
Affects:	USIM	ME	NW	Others	
Yes	X	X			
No 					
Don't know 			X		

2	Expected Output and Timescales 
TSG adoption of WI 	04-21-1999
Start of work 		04-21-1999
First complete draft 	17-06-1999
WG approval 		01-12-1999
TSG approval 		17-12-1999
3	Work item rapporteur
Yoshio Honda (Nippon Ericsson)
11	Supporting companies
G&D, Motorola, Nokia, T-Mobil
12	Primary responsible working party  
3GPP TSG-T  WG3

13	Others
None