Dedicated Bearer Setup – Request Accepted Call Flow
This section describes the Dedicated Bearer Setup – Request Accepted call flow.

Step |
Description |
---|---|
1 |
The PGW sends the S5 Create Bearer Request to the S5-GTPC-EP pod. |
2 |
The S5-GTPC-EP pod forwards the S5 Create Bearer Request to the SGW-SVC pod. |
3 |
The SGW-SVC receives the S5 Create Bearer request and performs the following:
|
4 |
The PFCP-EP pod forwards the Sx Modification Request to the UP for allocating SGW Ingress and SGW Egress TEIDs. |
5 |
The PFCP-EP pod receives the Sx Modification Response with SGW Ingress and SGW Egress TEIDs, from the UP. |
6 |
The PFCP-EP pod forwards the Sx Modification Response with SGW Ingress and SGW Egress TEIDs, to the SGW-SVC. |
7 |
The SGW-SVC receives the Sx Modification response and performs the following:
|
8 |
The S11-GTPC-EP pod forwards the S11 Create Bearer Request with the SGW Ingress TEID, to the MME. |
9 |
The MME sends the S11 Create Bearer Response to the S11-GTPC-EP pod. |
10 |
The S11-GTPC-EP pod forwards the S11 Create Bearer Response to the SGW-SVC. |
11 |
The SGW-SVC receives the S11 Create Bearer response and performs the following:
|
12 |
The PFCP-EP pod forwards the Sx Modification Request to the UP. |
13 |
The UP sends the Sx Modification Response to the PFCP-EP pod. |
14 |
The PFCP-EP pod forwards the Sx Modification Response to the SGW-SVC pod. |
15, 16 |
The SGW-SVC pod receives the Sx Modification Response and performs the following:
|