PDN Attach with only Offline Rules
The following call flow and procedure describes PDN attach when dynamic rule with offline is enabled through Gx and Gz interfaces.
Call Flow

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. |