6 Jun
2009
6 Jun
'09
10:03 a.m.
On Fri, Jun 05, 2009 at 10:37:49PM +0200, Harald Welte wrote:
So IMSI ATTACH/DETACH really is about a SIM(IMSI) being activated/deactivated in a given LA. activation/deactivation typically is switching the phone on or off.
In other words: IMSI ATTACH/DETACH is only used in addition to regular Location Update, and it is used in situations where a MS on a network with ATT=0 would not perform any signalling with the network at all. -- - Harald Welte <laforge@gnumonks.org> http://laforge.gnumonks.org/ ============================================================================ "Privacy in residential applications is a desirable marketing option." (ETSI EN 300 175-7 Ch. A6)