name: SCEF
full_form: Service Capability Exposure Function
context: Units Response message to the SCEF. 5) SCEF sends the notification to SCS/AS. 6) SCEF receives acknowledgement for the notification. Figure 5.3.2.1.3: Online charging in API Invocation for ECUR 1) SCEF receives an API invocation Request.2) The SCEF triggers a Reserve Units Request [Initial] message to the OCS. 3) The OCS performs the appropriate credit processing based on the received request. 4) The OCS responds with a Reserve Units Response message to the SCEF. 5) If authorized, the SCEF continues the API invocation processing and send out the API Invocation Response. 6) The SCEF triggers a Debit Units Request [Terminate] message to the OCS reporting the successful event transaction. 7) The OCS performs the appropriate credit processing based on the received request. 8) The OCS responds with a Debit Units Response message to the SCEF. Figure 5.3.2.1.4: Online charging in API Notification for ECUR 1) SCEF receives a notification from 3GPP network entities. 2) The SCEF triggers a
description: The Service Capability Exposure Function (SCEF) is a network function that exposes service capabilities and interacts with other network functions, such as the Online Charging System (OCS), to perform tasks like API invocation and notification processing. It plays a crucial role in managing service exposure and charging in the 5G core network.
explanation: The SCEF is classified as a Network Function based on its role in exposing service capabilities, interacting with other network functions, and performing specific tasks within the network, as highlighted by the context from 3GPP TS 32.254.
section_title: 5.3.2.1Event Based Charging
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