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When these diameter errors are triggered Error_User_Unknown(5001) and Unknown_Session_ID (5002)?

+1 vote
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According to the specs 5001 and 5002 occurs when IMSI and session ID are not found in the database, in what circumstances IMSI and session ID could not be found or recognized by the database?

posted Jan 22, 2016 by anonymous

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1 Answer

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There can be many scenarios when this can happen -
IMSI has deregistered or move to some other HSS or you receive the message because of error in the peer node.
Session terminated and you receive the message thereafter.

answer Feb 5, 2016 by Salil Agrawal
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