Enforcement at N26 Call Flow
The enforcement restriction at N26 call flow type is also known as a handover process from 5G to 4G. During this handover process, the following observations are noted:
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Restriction enforcement received from the UDM subscription, responses to the am-data part.
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This response is a specific core type restriction which is equivalent only to EPC.
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The AMF rejects the EBI assignment request from the SMF with a restricted EBI cause.