3GPP TSG-T3 (USIM) Meeting #8
Bonn, Germany, August 23 - 25, 1999	Tdoc T3-99237	

TSG-SA WG3 (Security) meeting #5	TSGS-WG3#5(99)251
Sophia Antipolis, 3-6 August 1999	

To:	3GPP TSG S2

Copy:	3GPP TSG T3, N2

Source:	TSG SA WG3

Title:	Security interoperation between UMTS and GSM
_________________________________________________________________________

S3 thanks S2 for its response (S2-99633) to the recent liaison statement from S3 (S3-99190) on security interoperation between UMTS and GSM. The comments on S3’s initial proposals have been noted.

S3 intend to present a paper on security interoperation at the joint USIM meeting on 24th August and would welcome S2 participation at that meeting. 

S3 also believe that the security interoperation mechanisms being proposed are of interest to N2 and would encourage representation from N2 at the joint meeting.