URR Installation for Dedicated Bearer Call Flow
This section describes the URR Installation for Dedicated Bearer call flow.

Step |
Description |
---|---|
1 |
Established a PDN session with a default bearer. The PGW sends the Create Bearer Request to the GTPC-EP. |
2 |
The GTPC-EP forwards the S5 Create Bearer Request to the SGW-service pod. |
3 |
The SGW-service pod sends the Sx Session Modification Request to the PFCP proto. |
4 |
The PFCP proto sends the Sx Session Modification Response to the SGW-service pod with the cause as Request-Accepted. |
5 |
The SGW-service pod sends the S11 Create Bearer Request to the GTPC-EP. |
6 |
The GTPC-EP forwards the S11 Create Bearer Request to the MME. |
7 |
The GTPC-EP receives the Create Bearer Response to the GTPC-EP with the cause as Request-Accepted. |
8 |
The GTPC-EP forwards the S11 Create Bearer Response to the SGW service with the cause as Request-Accepted. |
9 |
The SGW-service pod sends the Sx Session Modification Request to the PFCP proto. |
10, |
The PFCP proto sends the Sx Session Modification Response to the SGW-service pod with the cause as Request-Accepted. |
11 |
The SGW-service pod sends the S5 Create Bearer Response to the GTPC-EP with the cause as Request-Accepted. |
12 |
The GTPC-EP sends the Create Bearer Response to the PGW with the cause as Request-Accepted. |