IMSI attach refers to the procedure used when a mobile station(MS) joins a GSM network. Suppose that the MS has changed itslocation while it was powered off. The MSC and VLC needs toregister the MS in the network and the location must be updated.Using message flow diagram only, show how messageflow during the IMSI attach and the location update procedures?Ignore the authentication and the data encryption steps.
what’s the message flow diagram in thiscase??
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