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How often TMSI's are reallocated on an LTE network?

+3 votes
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I know that its an operator preference but is it necessary for a TMSI reallocation for an INTER-RAT handover? Did any of you notice TMSI reallocations when a UE switches back to LTE where it was initially on LTE but moved to 3G for a voice call. (CSFB for a voice call-- INTRA-RAT handover).?

posted Jan 15, 2015 by Varuna Magar

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