How it Works
This section describes how this feature works.
The SOR consists of the following HPLMN protected information:
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An indication of whether the UDM requests an acknowledgment from the UE for a successful SOR reception.
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It supports one of the following:
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Indication of the included list of preferred PLMN or access technology combinations.
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A secured packet with an indication, whether it is included or not.
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The HPLMN indication, when there are no changes in the operator-controlled PLMN selector, with access technology from the stored list in the needed UE.
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As a result, no list of the preferred combinations for the PLMN or the access technology is provided.
Note | The secured packet contains the list of preferred PLMN and access technology combinations. These combinations are encapsulated within a security mechanism as described in 3GPP TS 31.115 [67]. For more on SOR protected information, see 3GPP TS 33.501 [66]. |