Feature Description
Emergency Services refer to functionalities provided by the serving network when the network is configured to support Emergency Services. Emergency Services are provided to support IMS emergency sessions.
To implement IMS emergency services in 4G and 5G, the SMF performs the following functions:
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Identifies 5G emergency session based on Request Type in SmContextCreate message or emergency configuration in DNN.
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Identifies 4G emergency session based on emergency configuration in DNN.
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Interacts with UDM if SUPI/IMSI is authenticated and authorization local command is not configured in the DNN profile. Else, skips the interaction with UDM.
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Enables PDU session establishment for Emergency Services with PEI or IMEI.
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Employs a new configuration to classify DNN as an Emergency DNN.
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Configures P-CSCF profile for Emergency Services
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Configures UPF for Emergency Services
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Configures default QoS profile for Emergency Services and flow-only timer used during tear down of dedicated bearer from PCF.