Call Flow

Step |
Description | ||
---|---|---|---|
1 |
NF Service Consumer requests the SMF to deactivate the user plane connection of the PDU session by sending a POST request with the following information:
| ||
2 |
SMF deactivates and releases the N3 tunnel of the PDU session after receiving such a request. SMF initiates PFCP session modification procedure towards UPF with downlink FAR updated with the following options:
| ||
3 |
SMF sets the upCnxState attribute to DEACTIVATED for the PDU session after receiving successful response from UPF node. | ||
4 |
SMF initiates 200 OK response including the upCnxState attribute set to DEACTIVATED towards AMF. |