PDN Attach with Offline and Online Rules
The following call flow and procedure describes PDN attach when dynamic rule with both online and offline is enabled through Gx, Gy, and Gz interfaces.

Step | Description |
---|---|
1 |
SMF sends Gx CCR-I towards PCRF. |
2 |
PCRF sends Gx CCA-I towards SMF with default bearer having Dynamic rule with OFFLINE_ENABLED set to True. |
3 |
The N4 Establishment Request is sent towards UPF based on the following conditions:
|
4 |
UPF sends N4Establishment response. |