URR Installation for Dedicated Bearer Call Flow

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

URR Installation for Dedicated Bearer Call Flow
URR Installation for Dedicated Bearer Call Flow Description

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.