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spec: elaborate on how optional this is

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Oliver Smith 2020-04-07 14:50:56 +02:00
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docs/imsi-pseudo-spec.adoc
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@ -192,7 +192,9 @@ next SMS. Afterwards, the EF~IMSI~ changing procedure in 3GPP TS 11.14, Section
=== Process Update_Location_HLR
All IMSI Pseudonymization related changes to Process Update_Location_HLR
(3GPP TS 29.002) are optional.
(3GPP TS 29.002) are optional. All deviations from the existing specification
that are outlined in this section are expected to be enabled or disabled
entirely where IMSI pseudonymization is implemented.
* HLR looks up subscriber by pseudonymous imsi in Update Location Request
* if two pseudo imsi found, and connected with new one: dealloc old entry