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spec: clarify "Next Pseudonymous IMSI SMS is Lost" 

Explicitly state that we send a lost next pseudonymous IMSI again.
This commit is contained in:
Oliver Smith 2020-05-08 09:35:34 +02:00
parent 04ff01ef63
commit fcf7811bc0
1 changed files with 4 additions and 1 deletions
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docs/imsi-pseudo-spec.adoc
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@ -386,6 +386,7 @@ with the new pseudonymous IMSI arrives with a delay.
When Insert Subscriber Data Result arrives, a subscriber specific
Next_Pseudo_IMSI_Timer starts.
[[next-pseudo-imsi-timer-expires]]
==== Next_Pseudo_IMSI_Timer Expires
If the subscriber has only one pseudonymous IMSI allocated, and the amount of
@ -446,7 +447,9 @@ Padding at the end, should be filled with 1111 as in the TBCD specification.
If the SMS with the next pseudonymous IMSI does not arrive, the SIM/USIM will start
the next Location Updating Procedure with the old pseudonymous IMSI. Because
the HLR/HSS has both the old and the new pseudonymous IMSI allocated at this point,
the subscriber is not locked out of the network.
the subscriber is not locked out of the network. The HLR/HSS does not deallocate
the new pseudonymous IMSI that did not arrive, but instead send it again
(<<next-pseudo-imsi-timer-expires>>).
=== Next Pseudonymous IMSI SMS Arrives Out of Order