As we know to allow roaming in a GSM network VLR uses the temporary data of subscriber form HLR. this data remains as long as the subscriber is connected to the BSS that is apart of that MSC/VLR area. But interesting thing is that the subscriber data remins even after the mobiel system is switched.
But the question arises, upto what time??
yes that is what Purging comes out of the box.
After an extended period of the MS being switched off, the subscription data willbe purged from the MSC.
Purging is that time , which defines the data retainment within MSC.
But the question arises, upto what time??
yes that is what Purging comes out of the box.
After an extended period of the MS being switched off, the subscription data willbe purged from the MSC.
Purging is that time , which defines the data retainment within MSC.
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