Delete Bearer Command Procedure Call Flow

This section describes the delete bearer command procedure call flow.

Delete Bearer Command Procedure Call Flow
Delete Bearer Command Procedure Call Flow Description

Step

Description

1

MME receives an indication of Bearer Release from eNodeB request.

MME creates Delete Bearer Command message to SGW (cnSGW-C).

It includes RAN/NAS cause code list.

2

SGW (cnSGW-C) forwards the Delete Bearer Command message request to PGW.

It detects and forwards RAN/NAS cause code list.

3

PGW sends the Delete Bearer Request message to SGW (cnSGW-C).

PGW receives IP-CAN session modification request from PCEF.

4

SGW (cnSGW-C) generates a Delete Bearer Request message towards MME.

5

MME generates a Delete Bearer Response message towards SGW (cnSGW-C).

6

SGW (cnSGW-C) further sends the Delete Bearer Response message to PGW.